diff --git a/harness/experiments/navigation-native-440-20260913/.gitattributes b/harness/experiments/navigation-native-440-20260913/.gitattributes
new file mode 100644
index 00000000..fa1385d9
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/.gitattributes
@@ -0,0 +1 @@
+* -text
diff --git a/harness/experiments/navigation-native-440-20260913/README.md b/harness/experiments/navigation-native-440-20260913/README.md
new file mode 100644
index 00000000..45a37184
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/README.md
@@ -0,0 +1,49 @@
+# Closed native440 evidence
+
+This archive preserves the completed Windows native trial on source
+**44095f78c28b79d6d085863dc928adba8e24d955**, including the known
+**Details-to-Preview scroll failure**. It is evidence, not final feature or
+package acceptance. See [the scoped report](REPORT.md).
+
+- [Original frames and notes](raw/trial/evidence): 79 notes, 78 actual JPEGs.
+  Frame002 has a note only; no image was synthesized or renamed to fill the gap.
+- [Fourteen saved checkpoints](raw/trial/checkpoints), with complete source trees
+  and their original oracle receipts. Adjacent `checkpoint-*` directories hold
+  raw run/stdout/stderr/core-input records.
+- [Original partial review](review/navigation-native-partial-independent-review-20260913.md),
+  [final independent review](review/navigation-native-final-independent-review-20260913.md)
+  and [machine-readable audit](review/navigation-native-final-independent-audit-20260913.json).
+- [Launch](raw/trial/launch.json), [closure](raw/trial/closure.json),
+  [stage manifest](raw/stage/manifest.json), fixtures and independent six-token
+  rename expectation. The original absolute paths and local-only wording are
+  retained as historical provenance, not promises of files on another machine.
+- [Manifest](manifest.json) binds every archive payload and 15 already-published
+  references. The original 440 build records remain in the
+  [prior Windows archive](../navigation-440-windows-20260913/README.md);
+  oracle/build source remains in the
+  [e124 preparation archive](../navigation-native-preparation-e124029-20260913/README.md).
+
+From a checkout containing source440, oracle e124, and publication base
+cccd66c5d522497dbecb28ce722644848943d009, run:
+
+```text
+python -B harness/experiments/navigation-native-440-20260913/verify.py --git-ref HEAD
+```
+
+The standard-library verifier reads archived bytes and runs only Git read
+commands. It uses explicit checks and refuses `python -O`/`-OO`; its checks do
+not disappear with assertions disabled. It validates exact archive membership,
+optional committed blobs, checkpoint inventories and raw bindings, closure,
+615 source inputs, and the oracle's exact111-input source equivalence. It does
+not run an application, compiler, server, or saved helper. Without `--git-ref`,
+it still checks payload hashes, referenced published blobs and source commits.
+
+No executables, runtime libraries, dependency caches, private profile or temp
+directories are included. Their receipt identities remain available; large
+binaries were independently hashed during the original review. Final work
+trees were checked after closure against the included final snapshots, so
+duplicate work-tree copies are unnecessary. [archive-builder.py](archive-builder.py)
+is the original machine's raw-copy recipe; its absolute workspace assumptions
+and pending-manifest stage make it provenance, not a portable launch command.
+The portable entrypoint is `verify.py`. Original helpers retain their original
+paths/commands; inspect them without executing them from this archive.
diff --git a/harness/experiments/navigation-native-440-20260913/REPORT.md b/harness/experiments/navigation-native-440-20260913/REPORT.md
new file mode 100644
index 00000000..a5ac6cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/REPORT.md
@@ -0,0 +1,82 @@
+# Navigation and source selection: closed native440 checkpoint
+
+The Windows trial on **44095f78c28b79d6d085863dc928adba8e24d955** closed normally
+with saved source invariants intact. It also found a **P2 Details-to-Preview
+viewport loss**, preserved in frames043–045. That failure remains part of this
+checkpoint. No later scroll correction, final feature acceptance, fresh-package
+acceptance, or release is claimed here.
+
+The [independent final review](review/navigation-native-final-independent-review-20260913.md)
+inspected all24 new frames056–079 in addition to the39 images covered by the
+unchanged [partial review](review/navigation-native-partial-independent-review-20260913.md).
+It checked all14 immutable saved snapshots, complete file inventories and raw
+oracle bindings, then compared all four final work trees after closure with
+their latest snapshots. The two reports distinguish actual images, operator
+notes, source checks, and recorded process observations. They retain their
+original local-only wording; this portable copy makes their evidence reviewable
+once the parent publishes this commit.
+
+## Observed scope
+
+| Workflow | Actual evidence and bounded outcome |
+| --- | --- |
+| Source selection and alias rename | Operational Word/Line replacement and restoration; six-token alias-only preview, Cancel, acceptance, Save, Undo/Redo, and project reopen. Seven saved snapshots equal either the complete baseline or an independently reconstructed six-token expectation. Source↔diagram and chooser/Find dismissal retain the demonstrated target and recover deliberate invalid drafts. |
+| Placement and state row | Compact placement UUID `de1e7e00-0000-4000-8000-000000000029` is hidden, restored, hidden and finally restored while its represented work remains. Five saved snapshots establish the expected two removed states and three exact baselines. Both state-row Delete dialogs name relation UUID ending0036 and are cancelled; actual state-row deletion is not claimed. |
+| Lifecycle integration smoke | OA1 selects the exposed outer activation, inner endpoint, creation capsule and deletion cross as distinct occurrences. SA2 samples Unicode containment and selected outer activation at100% and Fit87%; a tooltip partly obscures the Fit header. SA6 shows unresolved-lifetime cues. The four-file final fixture snapshot is exact baseline. |
+| Repeated/nested topology navigation | The chooser distinguishes OA first/second occurrences; revealing the second selects oa_r2, and Open source/F12/Back reaches its exact occurrence/use/definition identities. SA nested navigation agrees on sa_inner/sa_a across chooser, canvas, tree and Inspector. Both source files remain exact baseline. |
+
+The scroll failure is a same-destination review interruption: after deliberate
+scrolling, Full details→Preview returns to the top while the proposal/file/hunk
+remain unchanged. Separately reviewed correction bebf and subsequent test work
+belong to another source/gate sequence and are not native accepted by this trial.
+Initial Delete after placement navigation was also ineffective until an explicit
+canvas click; that bounded focus friction remains an unresolved usability/policy
+question. Absence of a placement-hide confirmation is intentional, not a defect.
+
+## Provenance and closure
+
+The [launch receipt](raw/trial/launch.json) binds the original staged GUI:
+117,171,712 bytes, SHA256
+`95f0c3e9ea1521dbc555e5330f26e105bd9065b9fb4207980f6d7ae62d2ef99a`.
+The build profile is **unoptimized development**. All72 staged payloads matched
+the original manifest at independent readback. The original successful build
+and its actual Cargo artifact/profile records are referenced from the
+[cccd Windows archive](../navigation-440-windows-20260913/README.md); all615
+recorded source inputs matched440 Git bytes. These build records are reused
+without relabeling their source or duplicating large evidence.
+
+The oracle remains source **e1240295bd114d23d3f67a69e6b38bdb2e25bb0d**, binary
+SHA256 `8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada`.
+Its exact111 core/config/lock inputs match both e124 and440 Git blobs. The oracle
+compares the complete Project and exact SourceBundle; removal uses core Delete
+and its ordinary source patch, while the six-token source expectation is also
+reconstructed independently from fixed baseline offsets. Expected fixture
+warnings remain in raw stderr; a comparator pass does not mean warning-free
+engineering content. No parser, oracle or GUI was rerun for this archive.
+
+[Closure](raw/trial/closure.json) records owned GUI PID6772 exiting0 at
+**2026-09-13T10:20:14.983254Z**, unchanged stage and empty stdout/stderr.
+The supervisor log contains the same terminal record. The hash-bound launcher
+waits for its child before writing closure; no supervisor failure record was
+present. The parent separately observed terminal94544's exit0 and the missing
+native window; the independent reviewer did not perform a fresh process/UI
+inspection. Normal closure is established by the saved owned-process evidence,
+not inferred from a launch or screenshot.
+
+## Limits and portable verification
+
+This trial does not establish the corrected scroll behavior, automatic keyboard
+focus after chooser navigation, native port targeting, new-file creation, Up
+cycling, every geometry/accessibility/scale state, all lifecycle scenarios,
+general modal/race behavior, optimized performance, Linux, schema8, complete
+OA/SA semantics, or fresh extracted-package GUI/REST acceptance. Historical
+geometry evidence and automated gates retain their own source pins.
+
+The [manifest](manifest.json) preserves exact original bytes for79 notes,78 JPEGs,
+14 checkpoint trees and raw records, baselines/expected fixtures, closure/launch,
+reviews, audit and necessary helper/binding source. Its15 external references
+are pinned to **cccd66c5d522497dbecb28ce722644848943d009** and checked against Git.
+Run the explicit-check, optimization-rejecting [verifier](verify.py) as described
+in the [README](README.md). It checks portable bytes and receipts only; it cannot
+upgrade the known failure or skipped scope into acceptance. Root owns integration
+and publication; no live task ledger or user-owned specification is changed.
diff --git a/harness/experiments/navigation-native-440-20260913/archive-builder.py b/harness/experiments/navigation-native-440-20260913/archive-builder.py
new file mode 100644
index 00000000..fd3382a6
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/archive-builder.py
@@ -0,0 +1,95 @@
+"""Copy the already closed native440 evidence; never execute a saved helper."""
+from pathlib import Path
+import hashlib
+import json
+import sys
+
+if sys.flags.optimize:
+    raise SystemExit('Optimized Python is forbidden')
+
+ROOT = Path(__file__).resolve().parents[1]
+DEST = ROOT / '.local/n44d'
+REL = 'harness/experiments/navigation-native-440-20260913'
+OUT = DEST / REL
+TRIAL = ROOT / '.local/native-qa/navigation-palette-20260913-01'
+BASE = 'cccd66c5d522497dbecb28ce722644848943d009'
+SOURCE = '44095f78c28b79d6d085863dc928adba8e24d955'
+ORACLE = 'e1240295bd114d23d3f67a69e6b38bdb2e25bb0d'
+
+def require(value, message):
+    if not value:
+        raise RuntimeError(message)
+
+def identity(path):
+    data = path.read_bytes()
+    return {'bytes': len(data), 'sha256': hashlib.sha256(data).hexdigest()}
+
+def read(path):
+    return json.loads(path.read_bytes())
+
+require(not OUT.exists(), 'Archive output already exists')
+require(read(TRIAL / 'closure.json')['exit'] == 0, 'Actual closure required')
+OUT.mkdir(parents=True)
+files = []
+references = []
+
+def copy(source, relative):
+    require(source.is_file() and not source.is_symlink(), str(source))
+    require(source.suffix.lower() not in ('.exe', '.dll', '.rlib', '.rmeta', '.pdb'), 'No binaries/caches')
+    target = OUT / relative
+    require(not target.exists(), 'Duplicate output: ' + relative)
+    before = source.read_bytes()
+    target.parent.mkdir(parents=True, exist_ok=True)
+    target.write_bytes(before)
+    require(source.read_bytes() == target.read_bytes() == before, 'Changed while copying: ' + str(source))
+    files.append({'path': target.relative_to(DEST).as_posix(), 'original': source.relative_to(ROOT).as_posix(), **identity(target)})
+
+def tree(source, relative):
+    require(source.is_dir(), str(source))
+    for item in sorted(source.rglob('*')):
+        require(not item.is_symlink(), str(item))
+        if item.is_file():
+            copy(item, relative + '/' + item.relative_to(source).as_posix())
+
+for folder in ['evidence', 'checkpoints', 'source-baseline', 'compact-baseline', 'lifecycle-baseline', 'topology-baseline', 'source-rename-expected']:
+    tree(TRIAL / folder, 'raw/trial/' + folder)
+for folder in sorted(TRIAL.glob('checkpoint-*')):
+    require(set(p.name for p in folder.iterdir()) == {'run.json', 'stdout.log', 'stderr.log', 'verified-core-inputs.json'}, 'Unexpected oracle-run inventory')
+    tree(folder, 'raw/trial/' + folder.name)
+for name in ['launch-request.json', 'launch.json', 'closure.json', 'stdout.log', 'stderr.log', 'preparation.json', 'source-example-preparation.json']:
+    copy(TRIAL / name, 'raw/trial/' + name)
+for name in ['navigation-native-partial-independent-review-20260913.md', 'navigation-native-final-independent-review-20260913.md', 'navigation-native-final-independent-audit-20260913.json']:
+    copy(ROOT / '.local' / name, 'review/' + name)
+for name in ['checkpoint-navigation-palette-20260913.py', 'checkpoint-navigation-palette-20260913-handoff.md', 'navigation-palette-native-session-command-r2.py', 'navigation-selection-native-final-44095f7.json', 'navigation-native-launch-r2-20260913.log', 'navigation-preview-details-scroll-finding-20260913.md']:
+    copy(ROOT / '.local' / name, 'raw/helpers/' + name)
+copy(ROOT / '.local/native-qa/navigation-selection-stage-44095f7/manifest.json', 'raw/stage/manifest.json')
+copy(Path(__file__).resolve(), 'archive-builder.py')
+
+def reference(path, original=None):
+    require((DEST / path).is_file(), 'Missing published reference: ' + path)
+    record = {'path': path, 'commit': BASE, **identity(DEST / path)}
+    if original:
+        require((ROOT / original).read_bytes() == (DEST / path).read_bytes(), 'Published/local reference differs: ' + original)
+        record['original'] = original
+    references.append(record)
+
+prior = 'harness/experiments/navigation-440-windows-20260913/'
+reference(prior + 'manifest.json')
+reference(prior + 'README.md')
+reference(prior + 'verify.py')
+for name in ['result.json', 'inputs.json', 'environment.json', 'cargo.jsonl', 'cargo.stderr.log']:
+    original = '.local/navigation-palette-gates-20260913/artifacts-44095f7/' + name
+    reference(prior + 'raw/' + original, original)
+prep = 'harness/experiments/navigation-native-preparation-e124029-20260913/'
+reference(prep + 'manifest.json')
+reference(prep + 'README.md')
+for name in ['native-qa/navigation-oracle-e124029/build.json', 'run-navigation-palette-oracle.py', 'navigation-palette-native-oracle.rs', 'build-navigation-palette-probe.py']:
+    reference(prep + 'evidence/.local/' + name, '.local/' + name)
+reference('harness/experiments/navigation-palette-e124029-windows-20260913/gates/list-e124029.inputs.json', '.local/navigation-palette-gates-20260913/list-e124029.inputs.json')
+
+manifest = {'schema': 'closed-native440-evidence-v1', 'source': SOURCE, 'oracle_source': ORACLE, 'publication_base': BASE,
+    'scope': 'Closed native440 trial, known Details-to-Preview FAIL preserved; no complete native/package acceptance.',
+    'files': files, 'references': references,
+    'omitted': 'Executables, runtime binaries and mutable caches are identified by original receipts, not included. Final work trees equal their final snapshots; profile/temp are not archived.'}
+(OUT / 'manifest.pending.json').write_text(json.dumps(manifest, indent=2) + '\n', encoding='utf-8')
+print(json.dumps({'output': str(OUT), 'raw_files': len(files), 'references': len(references), 'scope': 'Copied raw bytes; pending README/report/verifier and final manifest.'}))
diff --git a/harness/experiments/navigation-native-440-20260913/manifest.json b/harness/experiments/navigation-native-440-20260913/manifest.json
new file mode 100644
index 00000000..a5b15c78
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/manifest.json
@@ -0,0 +1,2362 @@
+{
+  "schema": "closed-native440-evidence-v1",
+  "source": "44095f78c28b79d6d085863dc928adba8e24d955",
+  "oracle_source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "publication_base": "cccd66c5d522497dbecb28ce722644848943d009",
+  "scope": "Closed native440 trial, known Details-to-Preview FAIL preserved; no complete native/package acceptance.",
+  "files": [
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/.gitattributes",
+      "role": "generated portable documentation/verifier",
+      "bytes": 8,
+      "sha256": "705fd4d6451a31d36b3df7de96f83f30ac976c9b4a6d1e51671d8e2f33e2d0da"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/README.md",
+      "role": "generated portable documentation/verifier",
+      "bytes": 3048,
+      "sha256": "aebdd3e1c5b9b922765e0cc13501440ca96073cad5ec394e42610d3e8f88aabd"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/REPORT.md",
+      "role": "generated portable documentation/verifier",
+      "bytes": 6249,
+      "sha256": "00c0f28b48671c2c4600e16db9ad14cfaf53527e42eb81601cac01088d9d5c80"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/archive-builder.py",
+      "original": ".local/stage-navigation-native-440-archive-20260913.py",
+      "bytes": 5507,
+      "sha256": "338bc771f5b21fc8d400c19c6b52a8e41b1702df1dc32654eccf6d8a989c9e60"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/helpers/checkpoint-navigation-palette-20260913-handoff.md",
+      "original": ".local/checkpoint-navigation-palette-20260913-handoff.md",
+      "bytes": 4500,
+      "sha256": "15e52e948d28256948d304a9e90bac1cba1e07d51a81cb801cadcf53c11f26bf"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/helpers/checkpoint-navigation-palette-20260913.py",
+      "original": ".local/checkpoint-navigation-palette-20260913.py",
+      "bytes": 10194,
+      "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-native-launch-r2-20260913.log",
+      "original": ".local/navigation-native-launch-r2-20260913.log",
+      "bytes": 2725,
+      "sha256": "52cd05c9921d900017b72982b41fbb04b69a19a1920aa8517223ddf8b7f4d91e"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-palette-native-session-command-r2.py",
+      "original": ".local/navigation-palette-native-session-command-r2.py",
+      "bytes": 29778,
+      "sha256": "0bc470a1e04a324581cd930412f845fabbca5d1de20ea1f79ea0680e57252a25"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-preview-details-scroll-finding-20260913.md",
+      "original": ".local/navigation-preview-details-scroll-finding-20260913.md",
+      "bytes": 4330,
+      "sha256": "dd0edb3c0ae563c16d51ad4d2f96deb9e6bdbe92430b97b746d08d240771bb00"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-selection-native-final-44095f7.json",
+      "original": ".local/navigation-selection-native-final-44095f7.json",
+      "bytes": 41465,
+      "sha256": "0deb4aec185c28edefe8697233e5fb815a7749e0080ff3e0beb8e8d77deced9a"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/stage/manifest.json",
+      "original": ".local/native-qa/navigation-selection-stage-44095f7/manifest.json",
+      "bytes": 195529,
+      "sha256": "e99a1362bd5f6e735d151bace28b523073a416a6405c4b9eb2d4a686ac72634e"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/run.json",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-navigation-final-saved-440/run.json",
+      "bytes": 5001,
+      "sha256": "4f935c5f8a2066bc58317ca38cce4f5693496f35f6e6fc03fa9c17b2a741f76e"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/stderr.log",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-navigation-final-saved-440/stderr.log",
+      "bytes": 10608,
+      "sha256": "097efb0a214581fc5ee52308b972eda04ac79ea3ca822da470fecc86a05ed072"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/stdout.log",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-navigation-final-saved-440/stdout.log",
+      "bytes": 60,
+      "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/verified-core-inputs.json",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-navigation-final-saved-440/verified-core-inputs.json",
+      "bytes": 18326,
+      "sha256": "6bbe6b8c2175c2f5d1e7b71989159ed438c4ab0eb708a27ec891eed08e983cd0"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/run.json",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-placement-final-undo-saved-440/run.json",
+      "bytes": 5033,
+      "sha256": "f07bbdb29367aff19050f631f14d578a6df25701b58fba1dbb45479049dd3ba6"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/stderr.log",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-placement-final-undo-saved-440/stderr.log",
+      "bytes": 10648,
+      "sha256": "02f60d2e1d01809a1ed79e87e9f635e5f38060f4e56deabd8e55c5d1a143d5e7"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/stdout.log",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-placement-final-undo-saved-440/stdout.log",
+      "bytes": 60,
+      "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/verified-core-inputs.json",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-placement-final-undo-saved-440/verified-core-inputs.json",
+      "bytes": 18326,
+      "sha256": "6bbe6b8c2175c2f5d1e7b71989159ed438c4ab0eb708a27ec891eed08e983cd0"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/run.json",
+      "original": ".local/native-qa/navigation-palette-20260913-01/checkpoint-compact-placement-hidden-saved-440/run.json",
+      "bytes": 5049,
+      "sha256": "e6f8a8f6cf44f66969a3350684f2230ba4f9ff70514d1d80abe85090ee63c764"
+    },
+    {
+      "path": "harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/stderr.log",
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+  "omitted": "Executables, runtime binaries and mutable caches are identified by original receipts, not included. Final work trees equal their final snapshots; profile/temp are not archived."
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/helpers/checkpoint-navigation-palette-20260913-handoff.md b/harness/experiments/navigation-native-440-20260913/raw/helpers/checkpoint-navigation-palette-20260913-handoff.md
new file mode 100644
index 00000000..8d475312
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/helpers/checkpoint-navigation-palette-20260913-handoff.md
@@ -0,0 +1,22 @@
+# Active navigation trial checkpoint helper
+
+Prepared source only on 2026-09-13. `checkpoint-navigation-palette-20260913.py` was parsed, not imported or executed. No active work tree was copied or changed and no oracle/UI/build/Git/Gitea action was run.
+
+The helper resolves the actual active trial `.local/native-qa/navigation-palette-20260913-01`. Its `source`, `compact`, and `topology` entries are `project.arcadia`; `lifecycle` uses `lifecycle-native.arcadia`. These paths agree with the existing prepared session config, actual tree and original admission receipts. It snapshots every file and directory in the selected `*-work`, including non-source fixture support files.
+
+Each invocation exclusively creates `checkpoints/FIXTURE-LABEL/tree` and `checkpoint.json`. It records whole inventories and per-file length/SHA256 before capture, from the copy, after capture, and again after optional oracle execution. It requires exact equality and unchanged baseline/expected inputs. Existing checkpoint or oracle labels are refused; failed copies/results are preserved. Baseline files must match the pinned original fixture preparation, rather than merely accepting whatever baseline exists at invocation time. This is a saved-disk observation; the operator must finish Save and leave the UI quiescent until the command returns. It does not save or inspect unsaved editor state. A file changed and restored entirely between observations is outside the sampling guarantee.
+
+`--mode same` additionally requires complete baseline file bytes and directory membership. `--mode renamed` and `--mode removed` invoke the existing reviewed oracle against the baseline entry and the frozen checkpoint entry. Source rename additionally compares the complete snapshot to the independently prepared `source-rename-expected/expected` files, bound to pinned `intent.json`: UUID `00000000-0000-4000-8000-000000000403`, alias `assess_report_union`, six edits in two files. All other source bytes and file membership must stay exact. It neither regenerates expected source through the production updater nor substitutes a previous actual snapshot for the oracle.
+
+Oracle use is pinned to existing `run-navigation-palette-oracle.py` and `.local/native-qa/navigation-oracle-e124029/build.json`. The existing runner validates its actual EXE/runtime and all 111 applicable core/config inputs against the current checkout before execution. That is a historical e124 comparator with checked core-input equivalence, not a newly built 440 comparator. The helper preserves its actual exit/receipt and launch streams and requires the runner's successful unchanged-input result. It does not relabel historical GUI evidence. Optimized Python execution is explicitly rejected; `PYTHONOPTIMIZE` is removed from the oracle subprocess environment.
+
+From the root checkout, after each corresponding parent-owned native Save action, use these exact separate PowerShell commands (labels must still be unused):
+
+```powershell
+& 'C:/Users/User/.cache/codex-runtimes/codex-primary-runtime/dependencies/python/python.exe' -B .local/checkpoint-navigation-palette-20260913.py source cancel-saved-440 --mode same
+& 'C:/Users/User/.cache/codex-runtimes/codex-primary-runtime/dependencies/python/python.exe' -B .local/checkpoint-navigation-palette-20260913.py source rename-saved-440 --mode renamed --target 00000000-0000-4000-8000-000000000403 --alias assess_report_union
+& 'C:/Users/User/.cache/codex-runtimes/codex-primary-runtime/dependencies/python/python.exe' -B .local/checkpoint-navigation-palette-20260913.py source undo-saved-440 --mode same
+& 'C:/Users/User/.cache/codex-runtimes/codex-primary-runtime/dependencies/python/python.exe' -B .local/checkpoint-navigation-palette-20260913.py source redo-saved-440 --mode renamed --target 00000000-0000-4000-8000-000000000403 --alias assess_report_union
+```
+
+For a snapshot without oracle execution, omit `--mode` and its arguments. Other fixture names are accepted only from the four named choices. A removed comparison requires `--mode removed --target CANONICAL_UUID`; a non-source rename requires `--mode renamed --target CANONICAL_UUID --alias ALIAS`. Each oracle run is separately retained under the active trial as `checkpoint-FIXTURE-LABEL`; its exact receipt is also copied into the checkpoint directory. The helper's PASS means consistent saved bytes and, when requested, actual successful comparator execution. It does not alone establish native usability or package acceptance.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/helpers/checkpoint-navigation-palette-20260913.py b/harness/experiments/navigation-native-440-20260913/raw/helpers/checkpoint-navigation-palette-20260913.py
new file mode 100644
index 00000000..ecfb5e0e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/helpers/checkpoint-navigation-palette-20260913.py
@@ -0,0 +1,171 @@
+"""Freeze one active-trial fixture, optionally compare its saved bytes and model.
+No import-time execution. No UI, writer, build or Git action.
+"""
+import argparse
+from datetime import datetime, timezone
+import hashlib
+import json
+import os
+from pathlib import Path
+import re
+import subprocess
+import sys
+import traceback
+import uuid
+
+ROOT = Path(__file__).resolve().parent.parent
+TRIAL = ROOT / '.local/native-qa/navigation-palette-20260913-01'
+ENTRIES = {'source': 'project.arcadia', 'compact': 'project.arcadia',
+           'topology': 'project.arcadia', 'lifecycle': 'lifecycle-native.arcadia'}
+RUNNER = ROOT / '.local/run-navigation-palette-oracle.py'
+RUNNER_SHA = 'b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288'
+BUILD = ROOT / '.local/native-qa/navigation-oracle-e124029/build.json'
+BUILD_SHA = '27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a'
+INTENT = TRIAL / 'source-rename-expected/intent.json'
+INTENT_SHA = 'e15b26cda4e282643eb098d9ada6b0b2ade387957d5b7a49a67e28b78a05c88a'
+PREPARATIONS = {
+    'preparation.json': '4ede523041af6367571e866f8d50d07befd12bbe8e96bf0c6a60230b58d6e156',
+    'source-example-preparation.json': 'd57250523090b40b81c07409fef99028d25903903d88a08d79842c6361d32c69'}
+
+
+def require(ok, reason):
+    if not ok: raise RuntimeError(reason)
+
+
+def identity(raw):
+    return {'bytes': len(raw), 'sha256': hashlib.sha256(raw).hexdigest()}
+
+
+def ordinary(path):
+    require(path.is_absolute() and path.is_relative_to(ROOT), 'Path outside checkout')
+    for p in (path, *path.parents):
+        require(not p.is_symlink() and not p.is_junction(), 'Reparse path refused: ' + str(p))
+    return path
+
+
+def tree(folder):
+    ordinary(folder); require(folder.is_dir(), 'Missing fixture tree')
+    files = {}; directories = []; payloads = {}
+    for path in sorted(folder.rglob('*')):
+        ordinary(path); relative = path.relative_to(folder).as_posix()
+        if path.is_dir(): directories.append(relative)
+        else:
+            require(path.is_file(), 'Non-file fixture member')
+            payloads[relative] = path.read_bytes(); files[relative] = identity(payloads[relative])
+    require(files, 'Empty fixture refused')
+    return {'directories': directories, 'files': files}, payloads
+
+
+def save(path, value):
+    with path.open('x', encoding='utf-8', newline='\n') as stream:
+        json.dump(value, stream, indent=2); stream.write('\n')
+
+
+def main():
+    require(sys.flags.optimize == 0 and __debug__, 'Optimized Python execution refused')
+    require(os.name == 'nt', 'Reviewed Windows trial only')
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('fixture', choices=ENTRIES)
+    parser.add_argument('label')
+    parser.add_argument('--mode', choices=('same', 'renamed', 'removed'))
+    parser.add_argument('--target')
+    parser.add_argument('--alias')
+    args = parser.parse_args()
+    require(re.fullmatch(r'[A-Za-z0-9][A-Za-z0-9-]{0,63}', args.label), 'Unique simple label required')
+    require(bool(args.target) == (args.mode in ('renamed', 'removed')), 'Target required only for renamed/removed')
+    require(bool(args.alias) == (args.mode == 'renamed'), 'Alias required only for renamed')
+    if args.target: require(str(uuid.UUID(args.target)) == args.target, 'Canonical target UUID')
+    if args.alias: require(re.fullmatch(r'[A-Za-z_][A-Za-z0-9_]*', args.alias), 'Alias token required')
+    work = ordinary(TRIAL / (args.fixture + '-work'))
+    baseline = ordinary(TRIAL / (args.fixture + '-baseline'))
+    entry = ENTRIES[args.fixture]
+    require((work / entry).is_file() and (baseline / entry).is_file(), 'Observed fixture entry missing')
+    label = 'checkpoint-' + args.fixture + '-' + args.label
+    destination = ordinary(TRIAL / 'checkpoints' / (args.fixture + '-' + args.label))
+    oracle_dir = ordinary(TRIAL / label)
+    require(not destination.exists() and not oracle_dir.exists(), 'Checkpoint/oracle label already exists')
+    require(destination.parent.is_dir(), 'Existing active trial checkpoints directory required')
+    destination.mkdir()  # Exclusive; failed attempts are preserved, never removed or overwritten.
+    record = {'status': 'FAIL', 'started': datetime.now(timezone.utc).isoformat(),
+              'fixture': args.fixture, 'label': args.label, 'mode': args.mode,
+              'work': str(work), 'baseline_entry': str(baseline / entry),
+              'helper': identity(Path(__file__).read_bytes()),
+              'scope': 'Saved disk snapshot and optional comparator only; native actions are separate.'}
+    watched = {}
+    try:
+        record['baseline_before'], _ = tree(baseline)
+        prep = TRIAL / ('source-example-preparation.json' if args.fixture == 'source' else 'preparation.json')
+        prep_raw = ordinary(prep).read_bytes()
+        require(identity(prep_raw)['sha256'] == PREPARATIONS[prep.name], 'Original fixture preparation binding')
+        watched[str(prep)] = identity(prep_raw)
+        prefix = args.fixture + '-baseline/'
+        expected_baseline = {row['path'][len(prefix):]: {k: row[k] for k in ('bytes', 'sha256')}
+                             for row in json.loads(prep_raw)['files'] if row['path'].startswith(prefix)}
+        require(expected_baseline and record['baseline_before']['files'] == expected_baseline, 'Exact prepared baseline file inventory/bytes')
+        record['before'], payloads = tree(work)
+        copied = destination / 'tree'; copied.mkdir()
+        for name in record['before']['directories']: (copied / name).mkdir()
+        for name, raw in payloads.items():
+            with (copied / name).open('xb') as stream: stream.write(raw)
+        record['copy'], _ = tree(copied)
+        record['after'], _ = tree(work)
+        require(record['before'] == record['copy'] == record['after'], 'Entire work inventory/bytes changed during snapshot')
+        if args.mode == 'same':
+            require(record['copy'] == record['baseline_before'], 'Exact baseline bytes and inventory required for same')
+            record['exact_baseline_bytes'] = True
+        if args.fixture == 'source' and args.mode == 'renamed':
+            raw = ordinary(INTENT).read_bytes(); require(identity(raw)['sha256'] == INTENT_SHA, 'Reviewed independent rename intent pin')
+            watched[str(INTENT)] = identity(raw); intent = json.loads(raw)
+            require(args.target == intent['target_uuid'] and args.alias == 'assess_report_union', 'Only independently prepared source rename admitted')
+            expected = ordinary(TRIAL / 'source-rename-expected/expected')
+            record['independent_expected'], _ = tree(expected)
+            rows = lambda key: {r['path']: {k: r[k] for k in ('bytes', 'sha256')} for r in intent[key]}
+            require(record['baseline_before']['files'] == rows('inputs'), 'Independent rename baseline binding')
+            require(record['independent_expected']['files'] == rows('expected'), 'Independent expected source binding')
+            require(record['copy'] == record['independent_expected'], 'Entire saved source equals independent six-token rename bytes')
+            record['exact_independent_rename_bytes'] = True
+            (destination / 'rename-intent.json').write_bytes(raw)
+        if args.mode:
+            for path, expected_sha in ((RUNNER, RUNNER_SHA), (BUILD, BUILD_SHA)):
+                actual = identity(ordinary(path).read_bytes()); require(actual['sha256'] == expected_sha, 'Reviewed oracle input pin')
+                watched[str(path)] = actual
+            command = [sys.executable, '-B', str(RUNNER), str(BUILD), label, args.mode,
+                       str(baseline / entry), str(copied / entry)]
+            if args.target: command.append(args.target)
+            if args.alias: command.append(args.alias)
+            env = os.environ.copy(); env.pop('PYTHONOPTIMIZE', None)
+            with (destination / 'oracle-launch.stdout.log').open('xb') as out, (destination / 'oracle-launch.stderr.log').open('xb') as err:
+                run = subprocess.run(command, cwd=ROOT, env=env, stdin=subprocess.DEVNULL,
+                                     stdout=out, stderr=err, creationflags=subprocess.CREATE_NO_WINDOW)
+            record['oracle'] = {'command': command, 'exit': run.returncode, 'directory': str(oracle_dir)}
+            receipt_raw = (oracle_dir / 'run.json').read_bytes(); receipt = json.loads(receipt_raw)
+            record['oracle']['receipt'] = identity(receipt_raw)
+            (destination / 'oracle-run.json').write_bytes(receipt_raw)
+            require(run.returncode == 0 and receipt['exit'] == 0 and receipt['outcome'] == 'passed'
+                    and receipt['failure'] is None and receipt['changed_inputs'] == [], 'Actual oracle failed or changed inputs')
+        record['status'] = 'PASS'
+    except Exception:
+        record['error'] = traceback.format_exc()
+    finally:
+        try:
+            record['final_work'], _ = tree(work)
+            record['final_baseline'], _ = tree(baseline)
+            if (destination / 'tree').is_dir(): record['final_copy'], _ = tree(destination / 'tree')
+            require(record['before'] == record['final_work'] == record['final_copy'], 'Final work/copy bytes or inventory changed')
+            require(record['baseline_before'] == record['final_baseline'], 'Baseline changed')
+            for path, wanted in watched.items(): require(identity(Path(path).read_bytes()) == wanted, 'Pinned input changed')
+            if 'independent_expected' in record:
+                final_expected, _ = tree(TRIAL / 'source-rename-expected/expected')
+                require(final_expected == record['independent_expected'], 'Independent expected source changed')
+            record['inputs_unchanged'] = True
+        except Exception:
+            record.update(status='FAIL', inputs_unchanged=False, final_error=traceback.format_exc())
+        record['watched_inputs'] = watched
+        record['finished'] = datetime.now(timezone.utc).isoformat()
+        save(destination / 'checkpoint.json', record)
+    print(json.dumps({'status': record['status'], 'checkpoint': str(destination)}))
+    return 0 if record['status'] == 'PASS' else 1
+
+
+if __name__ == '__main__':
+    sys.exit(main())
diff --git a/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-native-launch-r2-20260913.log b/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-native-launch-r2-20260913.log
new file mode 100644
index 00000000..59e3907b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-native-launch-r2-20260913.log
@@ -0,0 +1,2 @@
+{"utc": "2026-09-13T07:57:49.052900+00:00", "source": "44095f78c28b79d6d085863dc928adba8e24d955", "command": ["C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe"], "cwd": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\working-directory", "environment": {"SystemRoot": "C:\\Windows", "WINDIR": "C:\\Windows", "SystemDrive": "C:", "ProgramData": "C:\\ProgramData", "ALLUSERSPROFILE": "C:\\ProgramData", "PUBLIC": "C:\\Users\\Public", "COMSPEC": "C:\\Windows\\system32\\cmd.exe", "PATHEXT": ".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.CPL", "NUMBER_OF_PROCESSORS": "4", "PROCESSOR_ARCHITECTURE": "AMD64", "OS": "Windows_NT", "PATH": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7;C:\\Windows\\System32;C:\\Windows", "USERPROFILE": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile", "HOMEDRIVE": "C:", "HOMEPATH": "\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile", "LOCALAPPDATA": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile\\AppData\\Local", "APPDATA": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile\\AppData\\Roaming", "TEMP": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\temp", "TMP": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\temp"}, "stage_manifest": {"bytes": 195529, "sha256": "e99a1362bd5f6e735d151bace28b523073a416a6405c4b9eb2d4a686ac72634e"}, "config": {"bytes": 41465, "sha256": "0deb4aec185c28edefe8697233e5fb815a7749e0080ff3e0beb8e8d77deced9a"}, "helper": {"bytes": 29778, "sha256": "0bc470a1e04a324581cd930412f845fabbca5d1de20ea1f79ea0680e57252a25"}, "pid": 6772, "spawned_utc": "2026-09-13T07:57:49.193533+00:00", "gui": {"bytes": 117171712, "sha256": "95f0c3e9ea1521dbc555e5330f26e105bd9065b9fb4207980f6d7ae62d2ef99a"}, "runtime": {"bytes": 190464, "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"}}
+{"utc": "2026-09-13T10:20:14.983254+00:00", "source": "44095f78c28b79d6d085863dc928adba8e24d955", "pid": 6772, "exit": 0, "stage_unchanged": true, "stdout": {"bytes": 0, "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"}, "stderr": {"bytes": 0, "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"}, "scope": "Observed owned-process closure; not automatic native acceptance"}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-palette-native-session-command-r2.py b/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-palette-native-session-command-r2.py
new file mode 100644
index 00000000..64c19178
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-palette-native-session-command-r2.py
@@ -0,0 +1,458 @@
+"""Prepare/check a same-source native stage; launch only on explicit launch command.
+
+No compiler or application is run by check/stage. Config contains pins to actual
+receipts, never configurable success predicates. Parent reviews the final config.
+"""
+from pathlib import Path
+from datetime import datetime, timezone
+import argparse
+import hashlib
+import json
+import os
+import re
+import subprocess
+import sys
+
+ROOT = Path(__file__).resolve().parent.parent
+TRIAL = ROOT / '.local/native-qa/navigation-palette-20260913-01'
+RUNTIME = 'aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a'
+SCOPES = ['Cargo.toml', 'Cargo.lock', 'rust-toolchain.toml', '.cargo', 'build',
+          'crates', 'assets', 'docs', 'examples', 'harness/fixtures']
+PREFIX = ['cargo', 'test', '--locked', '-p', 'oa-desktop', '--bin', 'arcadia-studio']
+
+
+def require(condition, message):
+    if not condition:
+        raise ValueError(message)
+
+
+def now():
+    return datetime.now(timezone.utc).isoformat()
+
+
+def identity(raw):
+    return {'bytes': len(raw), 'sha256': hashlib.sha256(raw).hexdigest()}
+
+
+def rooted(name):
+    require(isinstance(name, str) and name, 'Pending/missing path')
+    path = Path(name)
+    if not path.is_absolute():
+        path = ROOT / path
+    resolved = path.resolve()
+    require(resolved.is_relative_to(ROOT), 'Evidence/output must stay in this checkout: ' + name)
+    current = path.absolute()
+    while current != ROOT and current.is_relative_to(ROOT):
+        require(not current.is_symlink() and not current.is_junction(), 'Reparse evidence path: ' + str(current))
+        current = current.parent
+    return resolved
+
+
+def write_new(path, raw):
+    with path.open('xb') as stream:
+        stream.write(raw)
+
+
+def save(path, value):
+    write_new(path, (json.dumps(value, indent=2) + '\n').encode('utf-8'))
+
+
+def command(record):
+    result = list(record['command'])
+    require(result, 'Empty recorded command')
+    result[0] = Path(result[0]).name.casefold().removesuffix('.exe')
+    return result
+
+
+def preflight(config_path, source):
+    require(re.fullmatch('[0-9a-f]{40}', source), 'Exact final source SHA required')
+    config_path = rooted(str(config_path))
+    config_raw = config_path.read_bytes()
+    cfg = json.loads(config_raw)
+    require(cfg['schema'] == 1 and cfg['source'] == source, 'Pending or different configured source')
+    stage = rooted(cfg['stage'])
+    require(stage.is_relative_to(ROOT / '.local/native-qa') and not stage.is_relative_to(TRIAL)
+            and not TRIAL.is_relative_to(stage), 'Use a separate new stage under .local/native-qa')
+    pins = {}
+
+    def pin(item):
+        require(isinstance(item, dict) and isinstance(item.get('bytes'), int)
+                and re.fullmatch('[0-9a-f]{64}', item.get('sha256') or ''), 'Pending/invalid evidence pin')
+        path = rooted(item['path'])
+        raw = path.read_bytes()
+        require(identity(raw) == {key: item[key] for key in ('bytes', 'sha256')}, 'Changed evidence: ' + str(path))
+        pins[str(path)] = identity(raw)
+        return raw
+
+    def document(item):
+        return json.loads(pin(item))
+
+    # Require exact complete raw committed build/gate membership, not clean status alone.
+    manifests = []
+    gates = {}
+    for mode in ('listing', 'focused', 'scroll', 'full', 'strict'):
+        spec = cfg['gates'][mode]
+        record = document(spec['result'])
+        inputs = document(spec['inputs'])
+        log = pin(spec['log']).decode('utf-8', errors='strict')
+        require(record['source'] == record['head_after'] == inputs['source'] == source
+                and record['exit'] == 0 and record['changed_inputs'] == [], 'Gate did not pass unchanged at final source: ' + mode)
+        require(rooted(spec['inputs']['path']) == rooted(spec['result']['path']).parent / record['inputs'], 'Gate input-manifest path mismatch')
+        manifests.append((inputs['inputs'], SCOPES))
+        wanted = {
+            'listing': PREFIX + ['--', '--list'],
+            'focused': PREFIX + ['navigation_union', '--', '--test-threads=1'],
+            'scroll': PREFIX + ['preview_scroll_tests', '--', '--test-threads=1'],
+            'full': PREFIX + ['--', '--test-threads=1'],
+            'strict': ['cargo', 'clippy', '--locked', '-p', 'oa-desktop', '--all-targets', '--', '-D', 'warnings'],
+        }[mode]
+        require(command(record) == wanted, 'Unexpected actual gate command: ' + mode)
+        if mode != 'strict':
+            require(len(record['artifacts']) == 1, 'Gate requires its actual test executable')
+            pin(record['artifacts'][0])
+        gates[mode] = (spec, record, log)
+    listing = gates['listing'][1]
+    names = re.findall(r'^([^\r\n]+): test\r?$', gates['listing'][2], re.M)
+    require(names and len(names) == len(set(names)) and names == listing['listing_members']
+            and len(names) == listing['listing_count'], 'Exact actual listing mismatch')
+    require(re.findall(r'^(\d+) tests, (\d+) benchmarks\s*$', gates['listing'][2], re.M)
+            == [(str(len(names)), '0')], 'Listing summary mismatch')
+    required = document(cfg['required_names'])['groups']
+    for key, count in [('navigation_union', 17), ('preview_scroll_tests', 4)]:
+        selected = {name for name in names if key in name}
+        require(len(selected) == count and selected == set(required[key])
+                and len(required[key]) == count, 'Required exact membership mismatch: ' + key)
+    required_all = set()
+    for key, members in required.items():
+        require(len(members) == len(set(members)) and set(members).issubset(names), 'Unlisted/duplicate required tests: ' + key)
+        required_all.update(members)
+    for mode in ('listing', 'focused', 'scroll'):
+        spec, record, log = gates[mode]
+        admitted = document(spec['admission'])
+        require(admitted['source'] == source and admitted['mode'] == ('list' if mode == 'listing' else 'focused')
+                and admitted['result_sha256'] == spec['result']['sha256']
+                and admitted['log_sha256'] == spec['log']['sha256']
+                and admitted['inputs_sha256'] == spec['inputs']['sha256']
+                and admitted['required_names_sha256'] == cfg['required_names']['sha256']
+                and admitted['artifact'] == record['artifacts'][0] == listing['artifacts'][0], 'Admission does not bind actual gate: ' + mode)
+        if mode != 'listing':
+            selector = 'navigation_union' if mode == 'focused' else 'preview_scroll_tests'
+            actual = re.findall(r'^test ([^\r\n]+) \.\.\. ok\s*$', log, re.M)
+            require(len(actual) == len(set(actual)) and set(actual) == set(required[selector]), 'Focused executed membership differs')
+            require(re.findall(r'test result: ok\. (\d+) passed; (\d+) failed; (\d+) ignored;', log)
+                    == [(str(len(actual)), '0', '0')], 'Focused summary differs')
+    full = gates['full']
+    require(full[1]['artifacts'][0] == listing['artifacts'][0], 'Full/list test executable differs')
+    full_cases = re.findall(r'^test ([^\r\n]+) \.\.\. (ok|ignored)(?:, [^\r\n]*)?\s*$', full[2], re.M)
+    require(len(full_cases) == len(names) and len({name for name, _ in full_cases}) == len(names)
+            and {name for name, _ in full_cases} == set(names), 'Full executed membership differs from listing')
+    ignored = {name for name, status in full_cases if status == 'ignored'}
+    require(isinstance(cfg['approved_full_ignored'], list) and ignored == set(cfg['approved_full_ignored'])
+            and not (ignored & required_all), 'Unapproved ignored/full required test')
+    require(re.findall(r'test result: ok\. (\d+) passed; (\d+) failed; (\d+) ignored;', full[2])
+            == [(str(len(names) - len(ignored)), '0', str(len(ignored)))], 'Full summary differs')
+
+    build_cfg = cfg['build']
+    build = document(build_cfg['result'])
+    build_inputs = document(build_cfg['inputs'])
+    environment = document(build_cfg['environment'])
+    cargo_raw = pin(build_cfg['stdout'])
+    pin(build_cfg['stderr'])
+    require(build['source'] == build['head_after'] == build_inputs['source'] == source
+            and build['outcome'] == 'passed' and build['exit'] == 0 and build['failure'] is None
+            and build['changed_inputs'] == [] and build['status_after'] == '', 'Both-artifact build not completed unchanged')
+    require(command(build) == ['cargo', 'build', '--locked', '--offline', '-p', 'oa-desktop', '-p', 'oa-server', '--bins', '--message-format=json-render-diagnostics'], 'Wrong artifact build command')
+    for key in ('inputs', 'environment', 'stdout', 'stderr'):
+        require(build[key] == {field: build_cfg[key][field] for field in ('bytes', 'sha256')}, 'Build receipt/log binding differs: ' + key)
+    require('host: x86_64-pc-windows-gnullvm' in environment['tools']['rustc']['version'], 'Wrong recorded Rust host')
+    manifests.append((build_inputs['inputs'], SCOPES + ['scripts']))
+    messages = [json.loads(line) for line in cargo_raw.splitlines()]
+    require([m for m in messages if m.get('reason') == 'build-finished'] == [{'reason': 'build-finished', 'success': True}], 'Actual Cargo finish not unique/successful')
+    selected = [m for m in messages if m.get('reason') == 'compiler-artifact' and m.get('executable')
+                and m.get('target', {}).get('name') in ('arcadia-studio', 'arcadia-server') and m['target']['kind'] == ['bin']]
+    require(len(selected) == len(build['artifacts']) == 2, 'Two actual preserved binary records required')
+    payloads = {}
+    for artifact in build['artifacts']:
+        name = artifact['name']
+        require(name in ('arcadia-studio', 'arcadia-server') and name + '.exe' not in payloads, 'Duplicate/wrong artifact')
+        require(artifact['cargo_artifact'] in selected, 'Preserved artifact not emitted by Cargo')
+        profile = artifact['cargo_artifact']['profile']
+        require(profile['opt_level'] == '0' and profile['debug_assertions'] and not profile['test'], 'Expected actual development profile')
+        require(rooted(artifact['cargo_artifact']['executable']) == rooted(artifact['origin']), 'Cargo artifact origin mismatch')
+        item = {'path': artifact['preserved'], **{key: artifact[key] for key in ('bytes', 'sha256')}}
+        raw = pin(item)
+        require(raw[:2] == b'MZ' and len(raw) >= 64, 'Not PE executable')
+        pe = int.from_bytes(raw[60:64], 'little')
+        require(raw[pe:pe+4] == b'PE\0\0' and int.from_bytes(raw[pe+4:pe+6], 'little') == 0x8664, 'Not Windows x64 PE')
+        payloads[name + '.exe'] = item
+    require(cfg['runtime']['sha256'] == RUNTIME, 'Only the reviewed September runtime is admitted')
+    pin(cfg['runtime'])
+    payloads['libunwind.dll'] = cfg['runtime']
+
+    all_inputs = {}
+    for rows, scopes in manifests:
+        expected = subprocess.check_output(['git', 'ls-tree', '-r', '--name-only', source, *scopes], cwd=ROOT).decode().splitlines()
+        require(len(rows) == len(expected) and {row['path'] for row in rows} == set(expected), 'Incomplete committed input membership')
+        for row in rows:
+            if row['path'] in all_inputs:
+                require(all_inputs[row['path']] == row, 'Gate/build input identity differs')
+            all_inputs[row['path']] = row
+    ordered = sorted(all_inputs)
+    blobs = subprocess.check_output(['git', 'cat-file', '--batch'], cwd=ROOT,
+                                   input=''.join(source + ':' + path + '\n' for path in ordered).encode())
+    offset = 0
+    for path in ordered:
+        end = blobs.index(b'\n', offset)
+        _, kind, size = blobs[offset:end].split()
+        require(kind == b'blob', 'Missing committed blob')
+        size = int(size)
+        raw = blobs[end+1:end+1+size]
+        require(blobs[end+1+size:end+2+size] == b'\n', 'Bad Git blob framing')
+        offset = end+2+size
+        require(identity(raw) == {key: all_inputs[path][key] for key in ('bytes', 'sha256')}, 'Raw Git input mismatch: ' + path)
+        require(pin(all_inputs[path]) == raw, 'Current input differs: ' + path)
+        if path.startswith(('docs/', 'examples/')):
+            payloads[path] = all_inputs[path]
+    require(offset == len(blobs), 'Extra Git response')
+
+    oracle = cfg['oracle']
+    oracle_build = document(oracle['build'])
+    oracle_source = oracle['build_source']
+    require(re.fullmatch('[0-9a-f]{40}', oracle_source or '')
+            and oracle_build['source'] == oracle_build['head_after'] == oracle_source
+            and oracle_build['exit'] == 0 and oracle_build['outcome'] == 'passed'
+            and oracle_build['failure'] is None and oracle_build['changed_inputs'] == []
+            and oracle_build['status_after'] == '', 'Oracle build did not pass unchanged at its declared source')
+    build_dir = rooted(oracle['build']['path']).parent
+    for name in ('stdout', 'stderr'):
+        pin({'path': str(build_dir / (name + '.log')), **oracle_build[name]})
+    captured = {rooted(path): item for path, item in oracle_build['inputs_before'].items()}
+    require(len(captured) == len(oracle_build['inputs_before']), 'Duplicate captured oracle input')
+    build_launcher = rooted(oracle['build_launcher']['path'])
+    pin(oracle['build_launcher'])
+    require(captured[build_launcher] == oracle_build['launcher']
+            == {key: oracle['build_launcher'][key] for key in ('bytes', 'sha256')}, 'Oracle build launcher differs')
+    pin(oracle['source'])
+    require(str(rooted(oracle['source']['path'])) in oracle_build['command']
+            and captured[rooted(oracle['source']['path'])]
+            == {key: oracle['source'][key] for key in ('bytes', 'sha256')}, 'Reviewed oracle source not build-bound')
+    require(oracle_build['source_inputs'], 'Missing preserved oracle compilation inputs')
+    for item in oracle_build['source_inputs']:
+        require(captured[rooted(item['path'])] == {key: item[key] for key in ('bytes', 'sha256')}, 'Preserved source identity differs')
+        pin({'path': item['preserved'], **captured[rooted(item['path'])]})
+    binary = rooted(oracle['binary']['path'])
+    pin(oracle['binary'])
+    require(rooted(oracle_build['binary']['path']) == binary and oracle_build['binary']['sha256'] == oracle['binary']['sha256']
+            and oracle_build['binary']['bytes'] == oracle['binary']['bytes'], 'Oracle executable not build-bound')
+    require(oracle_build['command'][-2:] == ['-o', str(binary)], 'Oracle build output differs')
+    # Compare the FINAL test anchor with captured dependency identities. The old
+    # desktop test executable/anchor may have been overwritten by a desktop fix.
+    anchor = document(oracle['final_anchor'])
+    test_exe = rooted(listing['artifacts'][0]['path'])
+    suffix = test_exe.stem.removeprefix('arcadia_studio-').removeprefix('arcadia-studio-')
+    require(rooted(oracle['final_anchor']['path']) == test_exe.parent.parent / '.fingerprint' / ('oa-desktop-' + suffix) / 'test-bin-arcadia-studio.json', 'Final oracle anchor not admitted test executable fingerprint')
+    require(set(oracle['dependencies']) == {'oa_core', 'serde_json'}, 'Exact oracle dependency pair required')
+    for name, binding in oracle['dependencies'].items():
+        rlib = rooted(binding['rlib']['path'])
+        fingerprint_path = rooted(binding['fingerprint']['path'])
+        require(fingerprint_path.name == 'lib-' + name and fingerprint_path.parent.parent == test_exe.parent.parent / '.fingerprint'
+                and rlib == test_exe.parent / ('lib' + name + '-' + fingerprint_path.parent.name.rsplit('-', 1)[1] + '.rlib'), 'Fingerprint/rlib paths do not correspond')
+        fingerprint = pin(binding['fingerprint']).decode().strip()
+        pin(binding['rlib'])
+        fingerprint_json = rooted(binding['fingerprint_json']['path'])
+        require(fingerprint_json == fingerprint_path.with_name(fingerprint_path.name + '.json'), 'Dependency fingerprint JSON path differs')
+        pin(binding['fingerprint_json'])
+        expected = [row[3] for row in anchor['deps'] if row[1] == name]
+        require(expected == [int.from_bytes(bytes.fromhex(fingerprint), 'little')], 'Dependency does not match admitted core fingerprint: ' + name)
+        linked = [arg.split('=', 1)[1] for index, arg in enumerate(oracle_build['command'])
+                  if index and oracle_build['command'][index - 1] == '--extern' and arg.startswith(name + '=')]
+        require(len(linked) == 1, 'Oracle command dependency not unique: ' + name)
+        old_rlib = rooted(linked[0])
+        old_suffix = old_rlib.stem.rsplit('-', 1)[1]
+        old_fingerprints = [path for path in captured if path.name == 'lib-' + name and path.parent.name.endswith('-' + old_suffix)]
+        require(len(old_fingerprints) == 1, 'Captured dependency fingerprint not unique: ' + name)
+        old_fp = old_fingerprints[0]
+        for item, old_path in ((binding['rlib'], old_rlib), (binding['fingerprint'], old_fp),
+                               (binding['fingerprint_json'], old_fp.with_name(old_fp.name + '.json'))):
+            require(captured[old_path] == {key: item[key] for key in ('bytes', 'sha256')}, 'Final dependency differs from captured oracle bytes: ' + name)
+
+    captured_manifests = [path for path in captured if path.name.endswith('.inputs.json')]
+    require(len(captured_manifests) == 1, 'Captured oracle listing-input manifest not unique')
+    captured_manifest = captured_manifests[0]
+    old_inputs = document({'path': str(captured_manifest), **captured[captured_manifest]})
+    require(old_inputs['source'] == oracle_source, 'Captured listing source differs from oracle build source')
+
+    def core_scope(path):
+        return path.startswith(('crates/oa-core/', '.cargo/')) or path in ('Cargo.toml', 'Cargo.lock', 'rust-toolchain.toml')
+
+    scoped_rows = [row for row in old_inputs['inputs'] if core_scope(row['path'])]
+    captured_core = {row['path']: {key: row[key] for key in ('bytes', 'sha256')} for row in scoped_rows}
+    final_core = {path: {key: row[key] for key in ('bytes', 'sha256')} for path, row in all_inputs.items() if core_scope(path)}
+    require(len(captured_core) == len(scoped_rows) and captured_core == final_core,
+            'Final complete core/config raw inputs differ from captured oracle scope')
+    runtime_launcher = rooted(oracle['run_launcher']['path'])
+    pin(oracle['run_launcher'])
+
+    def oracle_run(spec, arguments):
+        run = document(spec['receipt'])
+        run_dir = rooted(spec['receipt']['path']).parent
+        require(run['source'] == oracle_source and run['exit'] == 0 and run['outcome'] == 'passed'
+                and run['failure'] is None and run['changed_inputs'] == [] and run['inputs_unchanged'] is True
+                and run['oracle_sha256'] == oracle['binary']['sha256']
+                and run['command'] == [str(binary), *arguments], 'Actual oracle run failed/differs')
+        require(rooted(run['build']['path']) == rooted(oracle['build']['path'])
+                and {key: run['build'][key] for key in ('bytes', 'sha256')}
+                == {key: oracle['build'][key] for key in ('bytes', 'sha256')}, 'Run does not bind selected oracle build')
+        require(run['launcher'] == {key: oracle['run_launcher'][key] for key in ('bytes', 'sha256')}, 'Run launcher differs')
+        for name in ('stdout', 'stderr'):
+            require(rooted(run[name]['path']) == run_dir / (name + '.log'), 'Run log location differs')
+            pin(run[name])
+        verified = document(spec['verified_core_inputs'])
+        require(rooted(spec['verified_core_inputs']['path']) == run_dir / 'verified-core-inputs.json'
+                and verified == scoped_rows and run['verified_core_inputs'] == len(scoped_rows), 'Run core-input evidence differs')
+        watched = {rooted(path): item for path, item in run['inputs_before'].items()}
+        expected_paths = {binary, rooted(oracle['build']['path']), captured_manifest}
+        runtimes = [path for path in watched if path.name == 'libunwind.dll']
+        require(len(runtimes) == 1 and watched[runtimes[0]] == {key: cfg['runtime'][key] for key in ('bytes', 'sha256')}, 'Run runtime differs')
+        expected_paths.add(runtimes[0])
+        expected_folders = [] if arguments == ['self-check'] else [rooted(arg).parent for arg in arguments[1:3]]
+        require([rooted(tree['folder']) for tree in run['input_trees']] == expected_folders, 'Run fixture tree roots differ')
+        for tree in run['input_trees']:
+            folder = rooted(tree['folder'])
+            actual = {path.resolve() for path in folder.rglob('*') if path.is_file()}
+            require(len(tree['paths']) == len(actual) and {rooted(path) for path in tree['paths']} == actual, 'Run fixture tree membership changed')
+            expected_paths.update(actual)
+        require(len(watched) == len(run['inputs_before']) and set(watched) == expected_paths, 'Run watched input membership differs')
+        for path, item in watched.items():
+            pin({'path': str(path), **item})
+
+    oracle_run(oracle['self_check'], ['self-check'])
+    preparation = document(cfg['fixture_preparation'])
+    require(rooted(cfg['fixture_preparation']['path']) == TRIAL / 'preparation.json', 'Original trial preparation required')
+    provenance = rooted(preparation['provenance_manifest']['path'])
+    provenance_raw = provenance.read_bytes()
+    require(identity(provenance_raw)['sha256'] == preparation['provenance_manifest']['sha256'], 'Original fixture archive provenance changed')
+    pins[str(provenance)] = identity(provenance_raw)
+    prepared_paths = set()
+    for row in preparation['files']:
+        item = {**row, 'path': str(TRIAL / row['path'])}
+        require(pin(item) == rooted(row['source']).read_bytes(), 'Prepared original fixture differs')
+        prepared_paths.add(rooted(item['path']))
+    migration = document(cfg['migration']['result'])
+    intent = document(cfg['migration']['intent'])
+    require(migration['status'] == 'PASS' and (migration['from_schema'], migration['to_schema']) == (3, 7)
+            and migration['independent_full_project_equal'] is True and migration['current_readmission_exact'] is True
+            and migration['originals_preserved'] is True and migration['alias_tokens'] == 6 and migration['alias_files'] == 2,
+            'Actual separate fixture migration not admitted')
+    require((intent['from_schema'], intent['to_schema']) == (3, 7) and intent['execution_complete'] is False,
+            'Preserve the original pending migration intent, not a rewritten success claim')
+    require(cfg['fixture_evidence'], 'Pending fixture/migration evidence')
+    for item in cfg['fixture_evidence']:
+        pin(item)
+    require(len(cfg['fixture_pairs']) >= 3, 'Prepared fixture admissions missing')
+    covered, pairs = set(), set()
+    for pair in cfg['fixture_pairs']:
+        require(pair['files'], 'Empty fixture pair inventory')
+        inventory_paths = set()
+        for item in pair['files']:
+            path = rooted(item['path'])
+            require(path.is_relative_to(TRIAL), 'Fixture outside trial')
+            pin(item)
+            inventory_paths.add(path)
+        baseline, work = rooted(pair['baseline_entry']), rooted(pair['work_entry'])
+        require(baseline in inventory_paths and work in inventory_paths and baseline != work, 'Pair entries not distinct inventoried fixtures')
+        # Require complete directory membership, not just a declared subset.
+        actual_paths = {p.resolve() for directory in (baseline.parent, work.parent) for p in directory.rglob('*') if p.is_file()}
+        require(actual_paths == inventory_paths, 'Fixture pair has unlisted/missing files')
+        require((baseline, work) not in pairs, 'Duplicate fixture admission')
+        pairs.add((baseline, work))
+        covered.update(inventory_paths)
+        oracle_run(pair['admission'], ['same', str(baseline), str(work)])
+    require(prepared_paths.issubset(covered), 'An original prepared fixture has no current-core admission')
+    migrated_base = rooted(cfg['migration']['baseline_entry'])
+    require(any(base == migrated_base for base, _ in pairs), 'Migrated source-project baseline lacks current-core admission')
+    return cfg, stage, payloads, {'source': source, 'config_path': str(config_path), 'config': identity(config_raw),
+        'helper': identity(Path(__file__).read_bytes()), 'evidence': pins,
+        'oracle_source': oracle_source, 'oracle_binary': oracle['binary'], 'oracle_core_inputs': len(captured_core),
+        'listing_count': len(names), 'full_passed': len(names) - len(ignored), 'full_ignored': sorted(ignored),
+        'profile': 'unoptimized development', 'scope': 'Identified native stage admission only; native acceptance pending'}
+
+
+def stage_map(stage):
+    result = {}
+    for path in stage.rglob('*'):
+        require(not path.is_symlink() and not path.is_junction(), 'Reparse stage input')
+        if path.is_file() and path != stage / 'manifest.json':
+            result[path.relative_to(stage).as_posix()] = identity(path.read_bytes())
+    return result
+
+
+def main():
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('mode', choices=('check', 'stage', 'launch'))
+    parser.add_argument('config', type=Path)
+    parser.add_argument('source')
+    args = parser.parse_args()
+    cfg, stage, payloads, attestation = preflight(args.config.resolve(), args.source)
+    if args.mode == 'check':
+        print(json.dumps({'evidence_admitted': True, 'ready_for_stage': not stage.exists(), **attestation}, indent=2))
+        return
+    if args.mode == 'stage':
+        stage.mkdir(exist_ok=False)
+        for name, item in payloads.items():
+            path = stage / name
+            path.parent.mkdir(parents=True, exist_ok=True)
+            raw = rooted(item['path']).read_bytes()
+            require(identity(raw) == {key: item[key] for key in ('bytes', 'sha256')}, 'Input changed during staging')
+            write_new(path, raw)
+        copied = stage_map(stage)
+        require(copied == {name: {key: item[key] for key in ('bytes', 'sha256')} for name, item in payloads.items()}, 'Staged copies differ from selected inputs')
+        manifest = {**attestation, 'created': now(), 'payloads': copied}
+        save(stage / 'manifest.json', manifest)
+        print(json.dumps({'stage': str(stage), 'manifest': identity((stage / 'manifest.json').read_bytes())}))
+        return
+    manifest_raw = (stage / 'manifest.json').read_bytes()
+    manifest = json.loads(manifest_raw)
+    require(all(manifest[key] == attestation[key] for key in attestation), 'Stage admission/config no longer matches')
+    require(stage_map(stage) == manifest['payloads'], 'Stage membership/bytes changed')
+    for name in ('launch-request.json', 'launch.json', 'closure.json', 'stdout.log', 'stderr.log', 'supervisor-error.json', 'profile', 'temp', 'working-directory'):
+        require(not (TRIAL / name).exists(), 'Trial launch already attempted: ' + name)
+    profile, temporary, cwd = TRIAL / 'profile', TRIAL / 'temp', TRIAL / 'working-directory'
+    profile.mkdir(); temporary.mkdir(); cwd.mkdir()
+    for path in (profile / 'AppData/Local', profile / 'AppData/Roaming'):
+        path.mkdir(parents=True)
+    windows = Path(os.environ['SystemRoot'])
+    env = {key: os.environ[key] for key in ('SystemRoot', 'WINDIR', 'SystemDrive', 'ProgramData', 'ALLUSERSPROFILE', 'PUBLIC', 'COMSPEC', 'PATHEXT', 'NUMBER_OF_PROCESSORS', 'PROCESSOR_ARCHITECTURE', 'OS') if key in os.environ}
+    env.update(PATH=os.pathsep.join(map(str, (stage, windows / 'System32', windows))),
+        USERPROFILE=str(profile), HOMEDRIVE=profile.drive, HOMEPATH=str(profile)[len(profile.drive):],
+        LOCALAPPDATA=str(profile / 'AppData/Local'), APPDATA=str(profile / 'AppData/Roaming'), TEMP=str(temporary), TMP=str(temporary))
+    invocation = [str(stage / 'arcadia-studio.exe')]
+    request = {'utc': now(), 'source': args.source, 'command': invocation, 'cwd': str(cwd), 'environment': env,
+               'stage_manifest': identity(manifest_raw), 'config': attestation['config'], 'helper': attestation['helper']}
+    save(TRIAL / 'launch-request.json', request)
+    process = None
+    try:
+        with (TRIAL / 'stdout.log').open('xb') as stdout, (TRIAL / 'stderr.log').open('xb') as stderr:
+            process = subprocess.Popen(invocation, cwd=cwd, env=env, stdin=subprocess.DEVNULL,
+                stdout=stdout, stderr=stderr, creationflags=subprocess.CREATE_NO_WINDOW)
+            launch = {**request, 'pid': process.pid, 'spawned_utc': now(), 'gui': manifest['payloads']['arcadia-studio.exe'], 'runtime': manifest['payloads']['libunwind.dll']}
+            save(TRIAL / 'launch.json', launch)
+            print(json.dumps(launch), flush=True)
+            code = process.wait()
+        unchanged = stage_map(stage) == manifest['payloads'] and (stage / 'manifest.json').read_bytes() == manifest_raw
+        closure = {'utc': now(), 'source': args.source, 'pid': process.pid, 'exit': code,
+            'stage_unchanged': unchanged, 'stdout': identity((TRIAL / 'stdout.log').read_bytes()),
+            'stderr': identity((TRIAL / 'stderr.log').read_bytes()), 'scope': 'Observed owned-process closure; not automatic native acceptance'}
+        save(TRIAL / 'closure.json', closure)
+        print(json.dumps(closure), flush=True)
+        raise SystemExit(code if code else (0 if unchanged else 1))
+    except (Exception, KeyboardInterrupt) as error:
+        save(TRIAL / 'supervisor-error.json', {'utc': now(), 'error': repr(error),
+            'pid': None if process is None else process.pid,
+            'observed_exit': None if process is None else process.poll(),
+            'scope': 'Supervisor failure; no invented normal closure and no unrelated process cleanup'})
+        raise
+
+
+if __name__ == '__main__':
+    main()
diff --git a/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-preview-details-scroll-finding-20260913.md b/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-preview-details-scroll-finding-20260913.md
new file mode 100644
index 00000000..a89250ff
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/helpers/navigation-preview-details-scroll-finding-20260913.md
@@ -0,0 +1,19 @@
+# Details-to-Preview native offset loss
+
+2026-09-13, `/root/source8_lowering_plan`. Read-only source/evidence review at frozen native `44095f78c28b79d6d085863dc928adba8e24d955`; no compiler, GUI control or implementation change.
+
+**Finding: offset loss contradicts the existing controller's stated intent; it is not an intentional page reset.**
+
+`crates/oa-desktop/src/app/source_rename.rs:437–439` explicitly says leaving/returning to Preview keeps its selected page and retained scroll, while retiring delayed operations without scheduling return-to-top. Details toggles only visibility, destination visit ID, detail segment and detail content. Actual file/hunk/row/segment changes and changed filters separately request reset; repeated visibility requests are no-ops. The language RST at2142–2149 requires complete preview access and reachable controls outside the independently scrolling source preview, but does not itself explicitly specify the Details round-trip offset. Thus this is a demonstrated implementation-intent regression, not a newly inferred normative language requirement.
+
+I viewed existing frames043 and045 and read their sidecars. Both show proposal `assess_report_union_trial`, file1/2 `sa/reporting.arcadia`, hunk1/3 and rows1–7/7. Frame043 is scrolled with line10 and changed declaration line11 visible; frame045 returns to context line8/top. The parent observed the intervening Full details view044. The proposal remains unaccepted. The image evidence supports viewport-offset loss while the logical page remains unchanged.
+
+The apparent implementation mechanism is widget-subtree replacement: `dialog_content` mounts a Details column/text editor instead of the Preview column/Scrollable (`source_rename.rs:1030ff`). No preview offset is saved/restored by the Details handler. A new visit ID protects against late operations; it cannot preserve state after the actual Scrollable subtree is discarded. Source review identifies this mechanism; no instrumented widget execution occurred here.
+
+The existing `details_round_trip_retires_held_reset_without_changing_page_or_repeated_visibility_scroll` regression at `preview_scroll_tests.rs:311ff` does mount Details in one branch. It verifies zero scheduled reset operations and retained logical page/approval, **then scrolls down again after returning** before asserting offset retention. Those assertions protect repeated visibility and rejection of a held prior reset, but cannot detect loss of the pre-Details offset. Its passing gate is valid for those narrower assertions and does not falsify this native finding.
+
+Minimal regression before correction: settle a specific preview page, record a nonzero measured offset, toggle Details and actually diff/layout the Details subtree, return/diff/layout Preview, and assert the measured offset equals the recorded value **before calling any scroll operation**. Preserve same page/approval and complete source/model/history assertions. Retain a fast round-trip branch without an intervening Details mount and the delayed previous-visit reset control. Existing explicit file/hunk/row/segment/filter/new-approval reset tests must keep their reset semantics. An arbitrary return-to-top policy would require an explicit design change rather than relabeling this behavior.
+
+Gitea issue20 was read live through MCP: title `Scenario diagrams are very rigid and its controls are bad`, owner contribution Codex-ytr83r, latest retrieved comment906 at2026-09-13T08:35:42Z. Its published Saved Scenario spacing/layout candidate is `07e611fb9432b5164e43c326f3e3c7e75e1e6567`, then pending compilation/runtime/strict/build/native. That work concerns saved views, spacing and geometry; it supplies no alternate Rename Details scroll policy and is on another machine. Do not import or modify it for this local preview defect. Parent owns integration/publication under the current navigation work.
+
+The earlier local checklist phrase “Details return does not resurrect an old offset” referred to stale delayed-operation isolation, not resetting deliberate current scroll. More precisely: **return to the same preview page preserves its user's offset while assigning a fresh operation destination so an old queued reset cannot affect that return visit.** Current native evidence has found the first half incomplete.
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new file mode 100644
index 00000000..25d76272
--- /dev/null
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/run.json
new file mode 100644
index 00000000..85dbb04e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/run.json
@@ -0,0 +1,88 @@
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/stderr.log
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index 00000000..95d28765
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/stderr.log
@@ -0,0 +1,20 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/stdout.log
new file mode 100644
index 00000000..ffec8880
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS same: complete Project and exact SourceBundle restored
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-navigation-final-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/stderr.log
new file mode 100644
index 00000000..db3cec51
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/stderr.log
@@ -0,0 +1,20 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/stdout.log
new file mode 100644
index 00000000..ffec8880
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS same: complete Project and exact SourceBundle restored
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-final-undo-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
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+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-hidden-saved-440\\stderr.log",
+    "bytes": 10608,
+    "sha256": "c3183ba34b4264f81f513c2cf43829a988d4a5de581e9c8c7554cc1d7d63bc27"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/stderr.log
new file mode 100644
index 00000000..eb4ac168
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/stderr.log
@@ -0,0 +1,20 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/stdout.log
new file mode 100644
index 00000000..e0919b44
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS removed de1e7e00-0000-4000-8000-000000000029: exact baseline-derived Delete candidate and normal source patch
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-hidden-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
+[
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+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-redo-saved-440\\stdout.log",
+    "bytes": 115,
+    "sha256": "c8badb05966ab0405e5be3b22007fbd4600f213605924ba5baa26a0d1f5710a4"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-redo-saved-440\\stderr.log",
+    "bytes": 10588,
+    "sha256": "ad6f61d5483d5c6b62ef84b046278d780ba182f5ce4da3c31590c386a798c239"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/stderr.log
new file mode 100644
index 00000000..2acd80ea
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/stderr.log
@@ -0,0 +1,20 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/stdout.log
new file mode 100644
index 00000000..e0919b44
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS removed de1e7e00-0000-4000-8000-000000000029: exact baseline-derived Delete candidate and normal source patch
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-redo-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
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+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-undo-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-undo-saved-440\\stderr.log",
+    "bytes": 10588,
+    "sha256": "25a070ac4825c7519a551818ea39bcf5c17d435b4b051fb4d7bafe217b12b6e2"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/stderr.log
new file mode 100644
index 00000000..2d8ac624
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/stderr.log
@@ -0,0 +1,20 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/stdout.log
new file mode 100644
index 00000000..ffec8880
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS same: complete Project and exact SourceBundle restored
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-compact-placement-undo-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
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+      "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline\\README.md",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline\\identities.tsv",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline\\lifecycle-native.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline\\preflight.rs"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\lifecycle-navigation-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\lifecycle-navigation-saved-440\\tree\\README.md",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\lifecycle-navigation-saved-440\\tree\\identities.tsv",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\lifecycle-navigation-saved-440\\tree\\lifecycle-native.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\lifecycle-navigation-saved-440\\tree\\preflight.rs"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-lifecycle-navigation-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-lifecycle-navigation-saved-440\\stderr.log",
+    "bytes": 18098,
+    "sha256": "784376883c22514490c5ce3e1cd2b5033b538ad9d3db2365909dd601aeace8cf"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/stderr.log
new file mode 100644
index 00000000..aee79816
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/stderr.log
@@ -0,0 +1,36 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(21c0fe00-0000-4000-8000-000000000064), field: Some("allocation"), line: 7, column: 5, message: "Allocate leaf 'Review pressure demand' to a performer.", span: Span { start: 497, end: 638 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(21c0fe00-0000-4000-8000-000000000065), field: Some("allocation"), line: 12, column: 5, message: "Allocate leaf 'WWWWWWWWWWWWWWWWWW pressure inspection activity' to a performer.", span: Span { start: 644, end: 810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000003ed), field: Some("exchange"), line: 179, column: 5, message: "Choose an exchange.", span: Span { start: 5495, end: 5955 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-00000000042e), field: Some("exchange"), line: 280, column: 5, message: "Choose an exchange.", span: Span { start: 8337, end: 8797 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000007d5), field: Some("exchange"), line: 319, column: 5, message: "Choose an exchange.", span: Span { start: 9677, end: 10137 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000816), field: Some("exchange"), line: 426, column: 5, message: "Choose an exchange.", span: Span { start: 12699, end: 13159 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bcc), field: Some("exchange"), line: 478, column: 5, message: "Choose an exchange.", span: Span { start: 14322, end: 14777 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000be0), field: Some("exchange"), line: 495, column: 5, message: "Choose an exchange.", span: Span { start: 14783, end: 15234 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bea), field: Some("exchange"), line: 512, column: 5, message: "Choose an exchange.", span: Span { start: 15240, end: 15700 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bfe), field: Some("exchange"), line: 529, column: 5, message: "Choose an exchange.", span: Span { start: 15706, end: 16161 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000fc8), field: Some("exchange"), line: 568, column: 5, message: "Choose an exchange.", span: Span { start: 16923, end: 17380 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000fe6), field: Some("exchange"), line: 585, column: 5, message: "Choose an exchange.", span: Span { start: 17386, end: 17850 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013b0), field: Some("exchange"), line: 663, column: 5, message: "Choose an exchange.", span: Span { start: 19642, end: 20099 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013ba), field: Some("exchange"), line: 680, column: 5, message: "Choose an exchange.", span: Span { start: 20105, end: 20578 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_lifeline", object_id: Some(21c0fe00-0000-4000-8000-0000000013ba), field: Some("sender"), line: 680, column: 5, message: "Choose sender.", span: Span { start: 20105, end: 20578 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013ce), field: Some("exchange"), line: 697, column: 5, message: "Choose an exchange.", span: Span { start: 20584, end: 21042 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000001775), field: Some("exchange"), line: 736, column: 5, message: "Choose an exchange.", span: Span { start: 21794, end: 22252 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000001798), field: Some("exchange"), line: 753, column: 5, message: "Choose an exchange.", span: Span { start: 22258, end: 22729 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(21c0fe00-0000-4000-8000-000000000064), field: Some("allocation"), line: 7, column: 5, message: "Allocate leaf 'Review pressure demand' to a performer.", span: Span { start: 497, end: 638 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(21c0fe00-0000-4000-8000-000000000065), field: Some("allocation"), line: 12, column: 5, message: "Allocate leaf 'WWWWWWWWWWWWWWWWWW pressure inspection activity' to a performer.", span: Span { start: 644, end: 810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000003ed), field: Some("exchange"), line: 179, column: 5, message: "Choose an exchange.", span: Span { start: 5495, end: 5955 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-00000000042e), field: Some("exchange"), line: 280, column: 5, message: "Choose an exchange.", span: Span { start: 8337, end: 8797 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000007d5), field: Some("exchange"), line: 319, column: 5, message: "Choose an exchange.", span: Span { start: 9677, end: 10137 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000816), field: Some("exchange"), line: 426, column: 5, message: "Choose an exchange.", span: Span { start: 12699, end: 13159 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bcc), field: Some("exchange"), line: 478, column: 5, message: "Choose an exchange.", span: Span { start: 14322, end: 14777 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000be0), field: Some("exchange"), line: 495, column: 5, message: "Choose an exchange.", span: Span { start: 14783, end: 15234 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bea), field: Some("exchange"), line: 512, column: 5, message: "Choose an exchange.", span: Span { start: 15240, end: 15700 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bfe), field: Some("exchange"), line: 529, column: 5, message: "Choose an exchange.", span: Span { start: 15706, end: 16161 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000fc8), field: Some("exchange"), line: 568, column: 5, message: "Choose an exchange.", span: Span { start: 16923, end: 17380 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000fe6), field: Some("exchange"), line: 585, column: 5, message: "Choose an exchange.", span: Span { start: 17386, end: 17850 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013b0), field: Some("exchange"), line: 663, column: 5, message: "Choose an exchange.", span: Span { start: 19642, end: 20099 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013ba), field: Some("exchange"), line: 680, column: 5, message: "Choose an exchange.", span: Span { start: 20105, end: 20578 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_lifeline", object_id: Some(21c0fe00-0000-4000-8000-0000000013ba), field: Some("sender"), line: 680, column: 5, message: "Choose sender.", span: Span { start: 20105, end: 20578 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013ce), field: Some("exchange"), line: 697, column: 5, message: "Choose an exchange.", span: Span { start: 20584, end: 21042 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000001775), field: Some("exchange"), line: 736, column: 5, message: "Choose an exchange.", span: Span { start: 21794, end: 22252 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000001798), field: Some("exchange"), line: 753, column: 5, message: "Choose an exchange.", span: Span { start: 22258, end: 22729 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/stdout.log
new file mode 100644
index 00000000..ffec8880
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS same: complete Project and exact SourceBundle restored
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-lifecycle-navigation-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
+[
+  {
+    "path": "Cargo.lock",
+    "bytes": 119998,
+    "sha256": "826fad8a8176d7acbb9007db88c123dd25b8a5efcad7a33a8da8a4e0c6e3394f"
+  },
+  {
+    "path": "Cargo.toml",
+    "bytes": 400,
+    "sha256": "369f5b4b2b60705a94623c8c0b68f8e0b048f263280ce07ae0629ad353797d62"
+  },
+  {
+    "path": "crates/oa-core/Cargo.toml",
+    "bytes": 408,
+    "sha256": "6b5c062474ebb62d5082e07dabed99ee85e4a833edf26690fb4f887028d3416f"
+  },
+  {
+    "path": "crates/oa-core/build.rs",
+    "bytes": 45,
+    "sha256": "ab1be6ae1fd8bf3ebaeef6348347a9d5e666bde693126f199e041659e0b094a9"
+  },
+  {
+    "path": "crates/oa-core/examples/generate_demo.rs",
+    "bytes": 795,
+    "sha256": "e26f432c95331aeca50985dbb3ad2c558affd43023b585811f0f7bfaa59f6661"
+  },
+  {
+    "path": "crates/oa-core/examples/generate_release1.rs",
+    "bytes": 1798,
+    "sha256": "1d5f11165d74893e4bc18dbf3a2f2111f4026bd89fd06ee7f0bae69e45c4d4b5"
+  },
+  {
+    "path": "crates/oa-core/examples/release_dense_views.rs",
+    "bytes": 14664,
+    "sha256": "a83158488ef9b7394f136c52b1496719be935c4e5bdfe457cab5c9894f5f9412"
+  },
+  {
+    "path": "crates/oa-core/examples/routing_workshop.rs",
+    "bytes": 17248,
+    "sha256": "571307b18b6d4fa04700c5a4d4b0c2154c419e93a21292b2028e7b6f46a2faa7"
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/run.json
new file mode 100644
index 00000000..01a8c13b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/run.json
@@ -0,0 +1,128 @@
+{
+  "start": "2026-09-13T08:34:05.845289+00:00",
+  "end": "2026-09-13T08:34:08.336851+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "same",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\project.arcadia"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia": {
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia": {
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\views.arcadia": {
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\reporting.arcadia": {
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+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
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+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-cancel-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-cancel-saved-440\\stderr.log",
+    "bytes": 12137,
+    "sha256": "57eb16b6c92887403037a549eea52d37dcf27dae4446b0ef5b774c3ba5b9997f"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/stderr.log
new file mode 100644
index 00000000..c07d149b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/stderr.log
@@ -0,0 +1,22 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/stdout.log
new file mode 100644
index 00000000..ffec8880
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS same: complete Project and exact SourceBundle restored
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-cancel-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/run.json
new file mode 100644
index 00000000..1b50c61f
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/run.json
@@ -0,0 +1,130 @@
+{
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/stderr.log
new file mode 100644
index 00000000..0dfeb5eb
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/stderr.log
@@ -0,0 +1,22 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/stdout.log
new file mode 100644
index 00000000..2d719e91
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-final-source-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
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+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\reporting.arcadia": {
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-navigation-saved-440\\stdout.log",
+    "bytes": 142,
+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-navigation-saved-440\\stderr.log",
+    "bytes": 12181,
+    "sha256": "6a80e482f30e2ca20f1a704096c26a0cfcc0eeb5b644151536289d34ff0af2b5"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/stderr.log
new file mode 100644
index 00000000..e24879be
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/stderr.log
@@ -0,0 +1,22 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/stdout.log
new file mode 100644
index 00000000..2d719e91
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-navigation-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
+[
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+    "renamed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\project.arcadia",
+    "00000000-0000-4000-8000-000000000403",
+    "assess_report_union"
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+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia": {
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+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia": {
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia": {
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+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia": {
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+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\project.arcadia": {
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+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\views.arcadia": {
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+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\participants.arcadia": {
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+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\reporting.arcadia": {
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+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-redo-saved-440\\stdout.log",
+    "bytes": 142,
+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-redo-saved-440\\stderr.log",
+    "bytes": 12115,
+    "sha256": "b2191a0485dfa42e90e5cda013512a5aade91e02aa4cf8a0545c7ff3a08c1315"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/stderr.log
new file mode 100644
index 00000000..520c7fd5
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/stderr.log
@@ -0,0 +1,22 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/stdout.log
new file mode 100644
index 00000000..2d719e91
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-redo-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
+[
+  {
+    "path": "Cargo.lock",
+    "bytes": 119998,
+    "sha256": "826fad8a8176d7acbb9007db88c123dd25b8a5efcad7a33a8da8a4e0c6e3394f"
+  },
+  {
+    "path": "Cargo.toml",
+    "bytes": 400,
+    "sha256": "369f5b4b2b60705a94623c8c0b68f8e0b048f263280ce07ae0629ad353797d62"
+  },
+  {
+    "path": "crates/oa-core/Cargo.toml",
+    "bytes": 408,
+    "sha256": "6b5c062474ebb62d5082e07dabed99ee85e4a833edf26690fb4f887028d3416f"
+  },
+  {
+    "path": "crates/oa-core/build.rs",
+    "bytes": 45,
+    "sha256": "ab1be6ae1fd8bf3ebaeef6348347a9d5e666bde693126f199e041659e0b094a9"
+  },
+  {
+    "path": "crates/oa-core/examples/generate_demo.rs",
+    "bytes": 795,
+    "sha256": "e26f432c95331aeca50985dbb3ad2c558affd43023b585811f0f7bfaa59f6661"
+  },
+  {
+    "path": "crates/oa-core/examples/generate_release1.rs",
+    "bytes": 1798,
+    "sha256": "1d5f11165d74893e4bc18dbf3a2f2111f4026bd89fd06ee7f0bae69e45c4d4b5"
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/run.json
new file mode 100644
index 00000000..ffead146
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/run.json
@@ -0,0 +1,130 @@
+{
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+  "end": "2026-09-13T08:36:07.642573+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
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+    "renamed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\project.arcadia",
+    "00000000-0000-4000-8000-000000000403",
+    "assess_report_union"
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+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
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+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia": {
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia": {
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+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia": {
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+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\views.arcadia": {
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+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\participants.arcadia": {
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+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\reporting.arcadia": {
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+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    }
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+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
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+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-rename-saved-440\\stdout.log",
+    "bytes": 142,
+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-rename-saved-440\\stderr.log",
+    "bytes": 12137,
+    "sha256": "f5a48eebe995f1fd520a3d2f5583af77a5258c678b2a81c4695853281db37882"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/stderr.log
new file mode 100644
index 00000000..cca87730
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/stderr.log
@@ -0,0 +1,22 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/stdout.log
new file mode 100644
index 00000000..2d719e91
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-rename-saved-440/verified-core-inputs.json
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/run.json
new file mode 100644
index 00000000..47aa6418
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/run.json
@@ -0,0 +1,130 @@
+{
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\project.arcadia",
+    "00000000-0000-4000-8000-000000000403",
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+  "outcome": "passed",
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia": {
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+      ]
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+    {
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+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\sa\\assurance.arcadia",
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+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\views.arcadia"
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+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
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+  "stdout": {
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+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/stderr.log
new file mode 100644
index 00000000..aea8f682
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/stderr.log
@@ -0,0 +1,22 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/stdout.log
new file mode 100644
index 00000000..2d719e91
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-reopened-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
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+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\sa\\reporting.arcadia": {
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-undo-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-undo-saved-440\\stderr.log",
+    "bytes": 12115,
+    "sha256": "16f97f84f5609a083ee0a6af7a270f4db59986b0aaf10a2e7ff1112edc6e92e6"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/stderr.log
new file mode 100644
index 00000000..a769f9ae
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/stderr.log
@@ -0,0 +1,22 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/stdout.log
new file mode 100644
index 00000000..ffec8880
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS same: complete Project and exact SourceBundle restored
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-source-undo-saved-440/verified-core-inputs.json
@@ -0,0 +1,557 @@
+[
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new file mode 100644
index 00000000..bbe33ed4
--- /dev/null
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+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "same",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\project.arcadia"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\project.arcadia": {
+      "bytes": 13616,
+      "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\rationale.arcadia": {
+      "bytes": 59,
+      "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\project.arcadia": {
+      "bytes": 13616,
+      "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\rationale.arcadia": {
+      "bytes": 59,
+      "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\rationale.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\rationale.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-topology-navigation-final-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-topology-navigation-final-saved-440\\stderr.log",
+    "bytes": 21324,
+    "sha256": "e0fe36483698fc77d12aeb4931c5632b0b67245695f1d902c7499d6fa68df8e1"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/stderr.log
new file mode 100644
index 00000000..e60d85ae
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/stderr.log
@@ -0,0 +1,40 @@
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(071edc32-5c27-5c1d-91ff-337c80b462d5), field: Some("allocation"), line: 6, column: 5, message: "Allocate leaf 'A · Begin assessment' to a performer.", span: Span { start: 190, end: 330 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_starts", object_id: Some(2100ac23-79ee-54e1-b3cf-69f3d4f3b30a), field: Some("steps"), line: 65, column: 15, message: "Process/chain 'Caller with three assessments' has 4 start contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 1796, end: 1827 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_ends", object_id: Some(2100ac23-79ee-54e1-b3cf-69f3d4f3b30a), field: Some("steps"), line: 65, column: 15, message: "Process/chain 'Caller with three assessments' has 4 end contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 1796, end: 1827 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(08ff2083-dac1-5f4b-ad6a-7cc81d7be29d), field: Some("parent"), line: 19, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 593, end: 603 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(d48951ad-c6db-5eae-923a-edccab97155e), field: Some("parent"), line: 333, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 9505, end: 9515 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(1e27be58-3e3e-5869-ad30-e94a28ea2a2e), field: Some("parent"), line: 57, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 1566, end: 1576 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(fc986c5c-eae7-5363-bcd5-b832d565a89a), field: Some("parent"), line: 406, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 11490, end: 11500 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(25fdfe13-c45d-5822-830a-192ff13f660d), field: Some("allocation"), line: 68, column: 5, message: "Allocate leaf 'A · Begin assessment' to a performer.", span: Span { start: 1840, end: 1980 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(3360ccb1-68ac-51cd-8d9a-8893000c80ef), field: Some("allocation"), line: 79, column: 5, message: "Allocate leaf 'B · Review assessment' to a performer.", span: Span { start: 2173, end: 2314 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(47335738-0876-5f90-b25e-1636c7448e93), field: Some("allocation"), line: 84, column: 5, message: "Allocate leaf 'C · Finish assessment' to a performer.", span: Span { start: 2320, end: 2461 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(6575bce8-4185-519b-a004-d96650da63dc), field: Some("allocation"), line: 238, column: 5, message: "Allocate leaf 'C · Finish assessment' to a performer.", span: Span { start: 6742, end: 6883 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(8c3d9b89-aa12-5218-9de9-12b8b5d4e4b3), field: Some("allocation"), line: 249, column: 5, message: "Allocate leaf 'X · Check authorization' to a performer.", span: Span { start: 7085, end: 7228 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(a39639dc-0ece-5b71-981d-c9523fed4914), field: Some("allocation"), line: 266, column: 5, message: "Allocate leaf 'B · Review assessment' to a performer.", span: Span { start: 7544, end: 7685 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_starts", object_id: Some(d4911fd0-52ed-535c-9f87-170e8f5731d2), field: Some("steps"), line: 341, column: 15, message: "Process/chain 'Caller with three assessments' has 4 start contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 9744, end: 9775 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_ends", object_id: Some(d4911fd0-52ed-535c-9f87-170e8f5731d2), field: Some("steps"), line: 341, column: 15, message: "Process/chain 'Caller with three assessments' has 4 end contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 9744, end: 9775 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(53ad2109-ba9d-5859-b258-64cdaab5c4a8), field: Some("parent"), line: 221, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 6359, end: 6369 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(62cfdab1-a18b-5b06-8ee7-cd0b320e4024), field: Some("parent"), line: 233, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 6668, end: 6678 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(999b5e15-903f-5ca1-bc11-e51fadf80762), field: Some("parent"), line: 261, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 7470, end: 7480 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(4a65dad8-e2a1-51dc-87a0-02ea4ab69384), field: Some("parent"), line: 96, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 2711, end: 2721 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(e78d841a-a37e-5106-8356-b1e3ce6d2501), field: Some("allocation"), line: 381, column: 5, message: "Allocate leaf 'X · Check authorization' to a performer.", span: Span { start: 10765, end: 10908 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(071edc32-5c27-5c1d-91ff-337c80b462d5), field: Some("allocation"), line: 6, column: 5, message: "Allocate leaf 'A · Begin assessment' to a performer.", span: Span { start: 190, end: 330 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_starts", object_id: Some(2100ac23-79ee-54e1-b3cf-69f3d4f3b30a), field: Some("steps"), line: 65, column: 15, message: "Process/chain 'Caller with three assessments' has 4 start contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 1796, end: 1827 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_ends", object_id: Some(2100ac23-79ee-54e1-b3cf-69f3d4f3b30a), field: Some("steps"), line: 65, column: 15, message: "Process/chain 'Caller with three assessments' has 4 end contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 1796, end: 1827 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(08ff2083-dac1-5f4b-ad6a-7cc81d7be29d), field: Some("parent"), line: 19, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 593, end: 603 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(d48951ad-c6db-5eae-923a-edccab97155e), field: Some("parent"), line: 333, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 9505, end: 9515 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(1e27be58-3e3e-5869-ad30-e94a28ea2a2e), field: Some("parent"), line: 57, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 1566, end: 1576 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(fc986c5c-eae7-5363-bcd5-b832d565a89a), field: Some("parent"), line: 406, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 11490, end: 11500 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(25fdfe13-c45d-5822-830a-192ff13f660d), field: Some("allocation"), line: 68, column: 5, message: "Allocate leaf 'A · Begin assessment' to a performer.", span: Span { start: 1840, end: 1980 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(3360ccb1-68ac-51cd-8d9a-8893000c80ef), field: Some("allocation"), line: 79, column: 5, message: "Allocate leaf 'B · Review assessment' to a performer.", span: Span { start: 2173, end: 2314 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(47335738-0876-5f90-b25e-1636c7448e93), field: Some("allocation"), line: 84, column: 5, message: "Allocate leaf 'C · Finish assessment' to a performer.", span: Span { start: 2320, end: 2461 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(6575bce8-4185-519b-a004-d96650da63dc), field: Some("allocation"), line: 238, column: 5, message: "Allocate leaf 'C · Finish assessment' to a performer.", span: Span { start: 6742, end: 6883 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(8c3d9b89-aa12-5218-9de9-12b8b5d4e4b3), field: Some("allocation"), line: 249, column: 5, message: "Allocate leaf 'X · Check authorization' to a performer.", span: Span { start: 7085, end: 7228 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(a39639dc-0ece-5b71-981d-c9523fed4914), field: Some("allocation"), line: 266, column: 5, message: "Allocate leaf 'B · Review assessment' to a performer.", span: Span { start: 7544, end: 7685 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_starts", object_id: Some(d4911fd0-52ed-535c-9f87-170e8f5731d2), field: Some("steps"), line: 341, column: 15, message: "Process/chain 'Caller with three assessments' has 4 start contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 9744, end: 9775 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_ends", object_id: Some(d4911fd0-52ed-535c-9f87-170e8f5731d2), field: Some("steps"), line: 341, column: 15, message: "Process/chain 'Caller with three assessments' has 4 end contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 9744, end: 9775 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(53ad2109-ba9d-5859-b258-64cdaab5c4a8), field: Some("parent"), line: 221, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 6359, end: 6369 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(62cfdab1-a18b-5b06-8ee7-cd0b320e4024), field: Some("parent"), line: 233, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 6668, end: 6678 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(999b5e15-903f-5ca1-bc11-e51fadf80762), field: Some("parent"), line: 261, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 7470, end: 7480 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(4a65dad8-e2a1-51dc-87a0-02ea4ab69384), field: Some("parent"), line: 96, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 2711, end: 2721 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(e78d841a-a37e-5106-8356-b1e3ce6d2501), field: Some("allocation"), line: 381, column: 5, message: "Allocate leaf 'X · Check authorization' to a performer.", span: Span { start: 10765, end: 10908 } }, related: [] }
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/stdout.log
new file mode 100644
index 00000000..ffec8880
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/stdout.log
@@ -0,0 +1 @@
+PASS same: complete Project and exact SourceBundle restored
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/verified-core-inputs.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/verified-core-inputs.json
new file mode 100644
index 00000000..45621455
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoint-topology-navigation-final-saved-440/verified-core-inputs.json
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+    "sha256": "5f7ffb3bc73c3c85423623fe56f8680646dc97040327bdbead9d47a37e80f155"
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+    "sha256": "cefcc0582d91266d5de6ee5daefcfe41b606ab971ab235b59034a8e1dbc24b7d"
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+    "sha256": "8578da4f76bbd2d0e1bfe295ab1259e2162a3fe3d0d2ba8901915d7a40942806"
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+    "sha256": "506e62beab0c7ec0cece83e9e0c1a810fa1f99285c9e1cab0c77f06de55a40e1"
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+    "bytes": 23165,
+    "sha256": "ae168faaba23769b7ca1fd65f217b9db671726e67276eb5a04e5e72b1447a462"
+  },
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+    "bytes": 41067,
+    "sha256": "0f5d876badeec653fc7b12610a77d867e9a53582e605253deff8d379da21572f"
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+  {
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+    "bytes": 26873,
+    "sha256": "b1a26acee95eaba7f9920f9da738a1e33606552eb078e6d298895daff7e3d811"
+  },
+  {
+    "path": "crates/oa-core/tests/release_topology.rs",
+    "bytes": 17643,
+    "sha256": "c51dbe5aa5a038f9ed830daa02aa67714472179eb7fd6da5ce36dc6931c8b3a9"
+  },
+  {
+    "path": "crates/oa-core/tests/review_regressions.rs",
+    "bytes": 21823,
+    "sha256": "f154e5c88d35e31512e2b07733a1327ea3e2fcfd1ef8eb23066a4e9573f387c1"
+  },
+  {
+    "path": "crates/oa-core/tests/route_source.rs",
+    "bytes": 7270,
+    "sha256": "1a73fdbac0d0ae0e84d8d67b6ad398e11223958f5dca007f73757c91827decfb"
+  },
+  {
+    "path": "crates/oa-core/tests/routing_geometry.rs",
+    "bytes": 31890,
+    "sha256": "2d8eea4a2bba535ed0ea6daabccdaf87b375828c404baa10518c7bd7fd6253d3"
+  },
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+    "bytes": 5530,
+    "sha256": "dff884d799c3c5c9257210248c55767e294e3cb317c605cbd0ddc9600c216eb6"
+  },
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+    "bytes": 4640,
+    "sha256": "d93eaf9667f4221232168bef0fe9f069e5be1b1f23410bda5dd67010b96e5c8a"
+  },
+  {
+    "path": "crates/oa-core/tests/semantic_attachments_gui_oracle.rs",
+    "bytes": 14957,
+    "sha256": "7f526d363ba05e7ac89faf0fead0796e419c34ee204edf44a1b46c78308b0970"
+  },
+  {
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+    "bytes": 14307,
+    "sha256": "fa566de53946d40bbbd9033edfeed177180c4dc44afa2f2f4667ffdc622eb3bb"
+  },
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+    "bytes": 43262,
+    "sha256": "cad4f1a135ddbd947bdf3c71d1b44f1e438725095ea8c4d893464bc721c2363f"
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+    "bytes": 13168,
+    "sha256": "f0429a0b89a443458ea9af7083c1e4e7411417a7e6b47e618bfbb9266dc164f9"
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+    "bytes": 5139,
+    "sha256": "f52aa38b4d317e532c641ad7463472e4b40e802e60052cf0017556ffc63da06c"
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+  {
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+    "bytes": 16892,
+    "sha256": "9ac3390936c0d250651ea94a1b8faf0adfb680f061ececc56f2a52909b5ba855"
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+  {
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+    "bytes": 45910,
+    "sha256": "cef58adb16aa4d2527ddc0628aec3e26f0b42b4be70014a7e360fafdac13a942"
+  },
+  {
+    "path": "crates/oa-core/tests/state_diagrams.rs",
+    "bytes": 23973,
+    "sha256": "6b02b387a3ae559cb3ad72de24292a5abcb76aaac0adbab5d2aa5211b22cd2e5"
+  },
+  {
+    "path": "crates/oa-core/tests/workflows.rs",
+    "bytes": 33426,
+    "sha256": "bd843dfddbd5724ec08f657571f887496203056fe2fa5864ef50a168a613b89b"
+  },
+  {
+    "path": "rust-toolchain.toml",
+    "bytes": 66,
+    "sha256": "a6a0bbd29ffaa8182dc22d1d9149709f1091e47df40ed96eb8a78a711c66a4ce"
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+]
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/checkpoint.json
new file mode 100644
index 00000000..30306223
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/checkpoint.json
@@ -0,0 +1,140 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T09:43:10.744882+00:00",
+  "fixture": "compact",
+  "label": "navigation-final-saved-440",
+  "mode": "same",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "after": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "exact_baseline_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-compact-navigation-final-saved-440",
+      "same",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-navigation-final-saved-440\\tree\\project.arcadia"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-navigation-final-saved-440",
+    "receipt": {
+      "bytes": 5001,
+      "sha256": "4f935c5f8a2066bc58317ca38cce4f5693496f35f6e6fc03fa9c17b2a741f76e"
+    }
+  },
+  "final_work": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\preparation.json": {
+      "bytes": 4701,
+      "sha256": "4ede523041af6367571e866f8d50d07befd12bbe8e96bf0c6a60230b58d6e156"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T09:43:17.740384+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..f95c6d2c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,24 @@
+PASS same: complete Project and exact SourceBundle restored
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-navigation-final-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/oracle-run.json
new file mode 100644
index 00000000..85dbb04e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/oracle-run.json
@@ -0,0 +1,88 @@
+{
+  "start": "2026-09-13T09:43:13.928519+00:00",
+  "end": "2026-09-13T09:43:17.424582+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "same",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-navigation-final-saved-440\\tree\\project.arcadia"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia": {
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-navigation-final-saved-440\\tree\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-navigation-final-saved-440\\tree\\project.arcadia": {
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-navigation-final-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-navigation-final-saved-440\\tree\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-navigation-final-saved-440\\tree\\project.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-navigation-final-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-navigation-final-saved-440\\stderr.log",
+    "bytes": 10608,
+    "sha256": "097efb0a214581fc5ee52308b972eda04ac79ea3ca822da470fecc86a05ed072"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/tree/notes.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/tree/notes.arcadia
new file mode 100644
index 00000000..e65a1fc7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/tree/notes.arcadia
@@ -0,0 +1,2 @@
+// Preserve deletion evidence 雨.
+// Exact bytes matter.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..80374746
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-navigation-final-saved-440/tree/project.arcadia
@@ -0,0 +1,224 @@
+arcadia 7;
+project delete_oracle "Delete oracle" id "de1e7e00-0000-4000-8000-000000000001" {
+    include "notes.arcadia";
+    description "";
+
+    oa_activity delete_10 "Target work" id "de1e7e00-0000-4000-8000-00000000000a" {
+        description "";
+        parent none;
+    }
+
+    oa_activity delete_11 "Untouched work" id "de1e7e00-0000-4000-8000-00000000000b" {
+        description "";
+        parent none;
+    }
+
+    oa_entity delete_12 "OA Dispatch team" id "de1e7e00-0000-4000-8000-00000000000c" {
+        description "";
+        parent none;
+    }
+
+    oa_scenario delete_20 "Reference scenario" id "de1e7e00-0000-4000-8000-000000000014" {
+        context none;
+        description "";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline delete_21 "Target reference" id "de1e7e00-0000-4000-8000-000000000015" {
+        description "";
+        parent @delete_20;
+        represented @delete_10;
+    }
+
+    sa_function delete_50 "SA Initialize controller" id "de1e7e00-0000-4000-8000-000000000032" {
+        description "";
+        parent none;
+    }
+
+    sa_state_machine delete_51 "SA Controller modes" id "de1e7e00-0000-4000-8000-000000000033" {
+        description "";
+        parent none;
+    }
+
+    sa_region delete_52 "SA Main region" id "de1e7e00-0000-4000-8000-000000000034" {
+        description "";
+        parent @delete_51;
+    }
+
+    sa_state delete_53 "SA Ready" id "de1e7e00-0000-4000-8000-000000000035" {
+        description "";
+        do_activity "";
+        entry "";
+        exit "";
+        kind State;
+        parent @delete_52;
+    }
+
+    allocation delete_13 "OA performs target work" id "de1e7e00-0000-4000-8000-00000000000d" {
+        description "";
+        source @delete_12;
+        target @delete_10;
+    }
+
+    state_action delete_54 "SA Entry initialize" id "de1e7e00-0000-4000-8000-000000000036" {
+        description "";
+        phase Entry;
+        source @delete_53;
+        target @delete_50;
+    }
+
+    diagram view_30 "Work view 30" id "de1e7e00-0000-4000-8000-00000000001e" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_31 id "de1e7e00-0000-4000-8000-00000000001f" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_32 id "de1e7e00-0000-4000-8000-000000000020" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram view_40 "Work view 40" id "de1e7e00-0000-4000-8000-000000000028" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_41 id "de1e7e00-0000-4000-8000-000000000029" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_42 id "de1e7e00-0000-4000-8000-00000000002a" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram sa_modes_view "SA Controller modes view" id "de1e7e00-0000-4000-8000-00000000003c" {
+        description "";
+        layer Sa;
+        projection {
+            StateMachine {
+                machine @delete_51;
+            };
+        };
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_61 id "de1e7e00-0000-4000-8000-00000000003d" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_51;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 460.0;
+            width 620.0;
+        };
+    }
+
+    node node_62 id "de1e7e00-0000-4000-8000-00000000003e" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_52;
+        position {
+            x 60.0;
+            y 95.0;
+        };
+        size {
+            height 380.0;
+            width 580.0;
+        };
+    }
+
+    node node_63 id "de1e7e00-0000-4000-8000-00000000003f" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_53;
+        position {
+            x 100.0;
+            y 155.0;
+        };
+        size {
+            height 190.0;
+            width 320.0;
+        };
+    }
+
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/checkpoint.json
new file mode 100644
index 00000000..8dbaf0cd
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/checkpoint.json
@@ -0,0 +1,140 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T09:27:07.805648+00:00",
+  "fixture": "compact",
+  "label": "placement-final-undo-saved-440",
+  "mode": "same",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "after": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "exact_baseline_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-compact-placement-final-undo-saved-440",
+      "same",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-final-undo-saved-440\\tree\\project.arcadia"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-final-undo-saved-440",
+    "receipt": {
+      "bytes": 5033,
+      "sha256": "f07bbdb29367aff19050f631f14d578a6df25701b58fba1dbb45479049dd3ba6"
+    }
+  },
+  "final_work": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\preparation.json": {
+      "bytes": 4701,
+      "sha256": "4ede523041af6367571e866f8d50d07befd12bbe8e96bf0c6a60230b58d6e156"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T09:27:12.936170+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..bb46a82b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,24 @@
+PASS same: complete Project and exact SourceBundle restored
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-final-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-final-undo-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/oracle-run.json
new file mode 100644
index 00000000..19fbf54a
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/oracle-run.json
@@ -0,0 +1,88 @@
+{
+  "start": "2026-09-13T09:27:09.537733+00:00",
+  "end": "2026-09-13T09:27:12.246642+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "same",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-final-undo-saved-440\\tree\\project.arcadia"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia": {
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-final-undo-saved-440\\tree\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-final-undo-saved-440\\tree\\project.arcadia": {
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-final-undo-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-final-undo-saved-440\\tree\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-final-undo-saved-440\\tree\\project.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-final-undo-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-final-undo-saved-440\\stderr.log",
+    "bytes": 10648,
+    "sha256": "02f60d2e1d01809a1ed79e87e9f635e5f38060f4e56deabd8e55c5d1a143d5e7"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/tree/notes.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/tree/notes.arcadia
new file mode 100644
index 00000000..e65a1fc7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/tree/notes.arcadia
@@ -0,0 +1,2 @@
+// Preserve deletion evidence 雨.
+// Exact bytes matter.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..80374746
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-final-undo-saved-440/tree/project.arcadia
@@ -0,0 +1,224 @@
+arcadia 7;
+project delete_oracle "Delete oracle" id "de1e7e00-0000-4000-8000-000000000001" {
+    include "notes.arcadia";
+    description "";
+
+    oa_activity delete_10 "Target work" id "de1e7e00-0000-4000-8000-00000000000a" {
+        description "";
+        parent none;
+    }
+
+    oa_activity delete_11 "Untouched work" id "de1e7e00-0000-4000-8000-00000000000b" {
+        description "";
+        parent none;
+    }
+
+    oa_entity delete_12 "OA Dispatch team" id "de1e7e00-0000-4000-8000-00000000000c" {
+        description "";
+        parent none;
+    }
+
+    oa_scenario delete_20 "Reference scenario" id "de1e7e00-0000-4000-8000-000000000014" {
+        context none;
+        description "";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline delete_21 "Target reference" id "de1e7e00-0000-4000-8000-000000000015" {
+        description "";
+        parent @delete_20;
+        represented @delete_10;
+    }
+
+    sa_function delete_50 "SA Initialize controller" id "de1e7e00-0000-4000-8000-000000000032" {
+        description "";
+        parent none;
+    }
+
+    sa_state_machine delete_51 "SA Controller modes" id "de1e7e00-0000-4000-8000-000000000033" {
+        description "";
+        parent none;
+    }
+
+    sa_region delete_52 "SA Main region" id "de1e7e00-0000-4000-8000-000000000034" {
+        description "";
+        parent @delete_51;
+    }
+
+    sa_state delete_53 "SA Ready" id "de1e7e00-0000-4000-8000-000000000035" {
+        description "";
+        do_activity "";
+        entry "";
+        exit "";
+        kind State;
+        parent @delete_52;
+    }
+
+    allocation delete_13 "OA performs target work" id "de1e7e00-0000-4000-8000-00000000000d" {
+        description "";
+        source @delete_12;
+        target @delete_10;
+    }
+
+    state_action delete_54 "SA Entry initialize" id "de1e7e00-0000-4000-8000-000000000036" {
+        description "";
+        phase Entry;
+        source @delete_53;
+        target @delete_50;
+    }
+
+    diagram view_30 "Work view 30" id "de1e7e00-0000-4000-8000-00000000001e" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_31 id "de1e7e00-0000-4000-8000-00000000001f" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_32 id "de1e7e00-0000-4000-8000-000000000020" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram view_40 "Work view 40" id "de1e7e00-0000-4000-8000-000000000028" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_41 id "de1e7e00-0000-4000-8000-000000000029" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_42 id "de1e7e00-0000-4000-8000-00000000002a" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram sa_modes_view "SA Controller modes view" id "de1e7e00-0000-4000-8000-00000000003c" {
+        description "";
+        layer Sa;
+        projection {
+            StateMachine {
+                machine @delete_51;
+            };
+        };
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_61 id "de1e7e00-0000-4000-8000-00000000003d" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_51;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 460.0;
+            width 620.0;
+        };
+    }
+
+    node node_62 id "de1e7e00-0000-4000-8000-00000000003e" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_52;
+        position {
+            x 60.0;
+            y 95.0;
+        };
+        size {
+            height 380.0;
+            width 580.0;
+        };
+    }
+
+    node node_63 id "de1e7e00-0000-4000-8000-00000000003f" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_53;
+        position {
+            x 100.0;
+            y 155.0;
+        };
+        size {
+            height 190.0;
+            width 320.0;
+        };
+    }
+
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/checkpoint.json
new file mode 100644
index 00000000..d7c910d3
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/checkpoint.json
@@ -0,0 +1,140 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T09:24:28.641983+00:00",
+  "fixture": "compact",
+  "label": "placement-hidden-saved-440",
+  "mode": "removed",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "after": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-compact-placement-hidden-saved-440",
+      "removed",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-hidden-saved-440\\tree\\project.arcadia",
+      "de1e7e00-0000-4000-8000-000000000029"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-hidden-saved-440",
+    "receipt": {
+      "bytes": 5049,
+      "sha256": "e6f8a8f6cf44f66969a3350684f2230ba4f9ff70514d1d80abe85090ee63c764"
+    }
+  },
+  "final_work": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\preparation.json": {
+      "bytes": 4701,
+      "sha256": "4ede523041af6367571e866f8d50d07befd12bbe8e96bf0c6a60230b58d6e156"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T09:24:35.436706+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..aa0a06ba
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,24 @@
+PASS removed de1e7e00-0000-4000-8000-000000000029: exact baseline-derived Delete candidate and normal source patch
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-hidden-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-hidden-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/oracle-run.json
new file mode 100644
index 00000000..fcea7900
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/oracle-run.json
@@ -0,0 +1,89 @@
+{
+  "start": "2026-09-13T09:24:30.914172+00:00",
+  "end": "2026-09-13T09:24:34.576945+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "removed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-hidden-saved-440\\tree\\project.arcadia",
+    "de1e7e00-0000-4000-8000-000000000029"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia": {
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-hidden-saved-440\\tree\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-hidden-saved-440\\tree\\project.arcadia": {
+      "bytes": 5416,
+      "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-hidden-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-hidden-saved-440\\tree\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-hidden-saved-440\\tree\\project.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-hidden-saved-440\\stdout.log",
+    "bytes": 115,
+    "sha256": "c8badb05966ab0405e5be3b22007fbd4600f213605924ba5baa26a0d1f5710a4"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-hidden-saved-440\\stderr.log",
+    "bytes": 10608,
+    "sha256": "c3183ba34b4264f81f513c2cf43829a988d4a5de581e9c8c7554cc1d7d63bc27"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/tree/notes.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/tree/notes.arcadia
new file mode 100644
index 00000000..e65a1fc7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/tree/notes.arcadia
@@ -0,0 +1,2 @@
+// Preserve deletion evidence 雨.
+// Exact bytes matter.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..0c01c74d
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-hidden-saved-440/tree/project.arcadia
@@ -0,0 +1,228 @@
+arcadia 7;
+project delete_oracle "Delete oracle" id "de1e7e00-0000-4000-8000-000000000001" {
+    include "notes.arcadia";
+    description "";
+
+    oa_activity delete_10 "Target work" id "de1e7e00-0000-4000-8000-00000000000a" {
+        description "";
+        parent none;
+    }
+
+    oa_activity delete_11 "Untouched work" id "de1e7e00-0000-4000-8000-00000000000b" {
+        description "";
+        parent none;
+    }
+
+    oa_entity delete_12 "OA Dispatch team" id "de1e7e00-0000-4000-8000-00000000000c" {
+        description "";
+        parent none;
+    }
+
+    oa_scenario delete_20 "Reference scenario" id "de1e7e00-0000-4000-8000-000000000014" {
+        context none;
+        description "";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline delete_21 "Target reference" id "de1e7e00-0000-4000-8000-000000000015" {
+        description "";
+        parent @delete_20;
+        represented @delete_10;
+    }
+
+    sa_function delete_50 "SA Initialize controller" id "de1e7e00-0000-4000-8000-000000000032" {
+        description "";
+        parent none;
+    }
+
+    sa_state_machine delete_51 "SA Controller modes" id "de1e7e00-0000-4000-8000-000000000033" {
+        description "";
+        parent none;
+    }
+
+    sa_region delete_52 "SA Main region" id "de1e7e00-0000-4000-8000-000000000034" {
+        description "";
+        parent @delete_51;
+    }
+
+    sa_state delete_53 "SA Ready" id "de1e7e00-0000-4000-8000-000000000035" {
+        description "";
+        do_activity "";
+        entry "";
+        exit "";
+        kind State;
+        parent @delete_52;
+    }
+
+    allocation delete_13 "OA performs target work" id "de1e7e00-0000-4000-8000-00000000000d" {
+        description "";
+        source @delete_12;
+        target @delete_10;
+    }
+
+    state_action delete_54 "SA Entry initialize" id "de1e7e00-0000-4000-8000-000000000036" {
+        description "";
+        phase Entry;
+        source @delete_53;
+        target @delete_50;
+    }
+
+    diagram view_30 "Work view 30" id "de1e7e00-0000-4000-8000-00000000001e" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_31 id "de1e7e00-0000-4000-8000-00000000001f" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_32 id "de1e7e00-0000-4000-8000-000000000020" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram view_40 "Work view 40" id "de1e7e00-0000-4000-8000-000000000028" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+
+
+        
+         
+         
+         
+         
+             
+             
+        
+         
+             
+             
+        
+    
+
+
+
+    node node_42 id "de1e7e00-0000-4000-8000-00000000002a" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram sa_modes_view "SA Controller modes view" id "de1e7e00-0000-4000-8000-00000000003c" {
+        description "";
+        layer Sa;
+        projection {
+            StateMachine {
+                machine @delete_51;
+            };
+        };
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_61 id "de1e7e00-0000-4000-8000-00000000003d" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_51;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 460.0;
+            width 620.0;
+        };
+    }
+
+    node node_62 id "de1e7e00-0000-4000-8000-00000000003e" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_52;
+        position {
+            x 60.0;
+            y 95.0;
+        };
+        size {
+            height 380.0;
+            width 580.0;
+        };
+    }
+
+    node node_63 id "de1e7e00-0000-4000-8000-00000000003f" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_53;
+        position {
+            x 100.0;
+            y 155.0;
+        };
+        size {
+            height 190.0;
+            width 320.0;
+        };
+    }
+
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/checkpoint.json
new file mode 100644
index 00000000..7ce67ad1
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/checkpoint.json
@@ -0,0 +1,140 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T09:25:58.177113+00:00",
+  "fixture": "compact",
+  "label": "placement-redo-saved-440",
+  "mode": "removed",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "after": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-compact-placement-redo-saved-440",
+      "removed",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-redo-saved-440\\tree\\project.arcadia",
+      "de1e7e00-0000-4000-8000-000000000029"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-redo-saved-440",
+    "receipt": {
+      "bytes": 5033,
+      "sha256": "1ffea14b47e0b29312b269f89c11fe2d2bf3066a2b6cc65a385e563f98d8f6bd"
+    }
+  },
+  "final_work": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5416,
+        "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\preparation.json": {
+      "bytes": 4701,
+      "sha256": "4ede523041af6367571e866f8d50d07befd12bbe8e96bf0c6a60230b58d6e156"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T09:26:02.650001+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..793a6293
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,24 @@
+PASS removed de1e7e00-0000-4000-8000-000000000029: exact baseline-derived Delete candidate and normal source patch
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-redo-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/oracle-run.json
new file mode 100644
index 00000000..8c96063b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/oracle-run.json
@@ -0,0 +1,89 @@
+{
+  "start": "2026-09-13T09:25:59.690150+00:00",
+  "end": "2026-09-13T09:26:01.841138+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "removed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-redo-saved-440\\tree\\project.arcadia",
+    "de1e7e00-0000-4000-8000-000000000029"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia": {
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-redo-saved-440\\tree\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-redo-saved-440\\tree\\project.arcadia": {
+      "bytes": 5416,
+      "sha256": "6f45155944f148202f097b6eead78247999c5e45de9704f83e58eeffa5bb086a"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-redo-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-redo-saved-440\\tree\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-redo-saved-440\\tree\\project.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-redo-saved-440\\stdout.log",
+    "bytes": 115,
+    "sha256": "c8badb05966ab0405e5be3b22007fbd4600f213605924ba5baa26a0d1f5710a4"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-redo-saved-440\\stderr.log",
+    "bytes": 10588,
+    "sha256": "ad6f61d5483d5c6b62ef84b046278d780ba182f5ce4da3c31590c386a798c239"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/tree/notes.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/tree/notes.arcadia
new file mode 100644
index 00000000..e65a1fc7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/tree/notes.arcadia
@@ -0,0 +1,2 @@
+// Preserve deletion evidence 雨.
+// Exact bytes matter.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..0c01c74d
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-redo-saved-440/tree/project.arcadia
@@ -0,0 +1,228 @@
+arcadia 7;
+project delete_oracle "Delete oracle" id "de1e7e00-0000-4000-8000-000000000001" {
+    include "notes.arcadia";
+    description "";
+
+    oa_activity delete_10 "Target work" id "de1e7e00-0000-4000-8000-00000000000a" {
+        description "";
+        parent none;
+    }
+
+    oa_activity delete_11 "Untouched work" id "de1e7e00-0000-4000-8000-00000000000b" {
+        description "";
+        parent none;
+    }
+
+    oa_entity delete_12 "OA Dispatch team" id "de1e7e00-0000-4000-8000-00000000000c" {
+        description "";
+        parent none;
+    }
+
+    oa_scenario delete_20 "Reference scenario" id "de1e7e00-0000-4000-8000-000000000014" {
+        context none;
+        description "";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline delete_21 "Target reference" id "de1e7e00-0000-4000-8000-000000000015" {
+        description "";
+        parent @delete_20;
+        represented @delete_10;
+    }
+
+    sa_function delete_50 "SA Initialize controller" id "de1e7e00-0000-4000-8000-000000000032" {
+        description "";
+        parent none;
+    }
+
+    sa_state_machine delete_51 "SA Controller modes" id "de1e7e00-0000-4000-8000-000000000033" {
+        description "";
+        parent none;
+    }
+
+    sa_region delete_52 "SA Main region" id "de1e7e00-0000-4000-8000-000000000034" {
+        description "";
+        parent @delete_51;
+    }
+
+    sa_state delete_53 "SA Ready" id "de1e7e00-0000-4000-8000-000000000035" {
+        description "";
+        do_activity "";
+        entry "";
+        exit "";
+        kind State;
+        parent @delete_52;
+    }
+
+    allocation delete_13 "OA performs target work" id "de1e7e00-0000-4000-8000-00000000000d" {
+        description "";
+        source @delete_12;
+        target @delete_10;
+    }
+
+    state_action delete_54 "SA Entry initialize" id "de1e7e00-0000-4000-8000-000000000036" {
+        description "";
+        phase Entry;
+        source @delete_53;
+        target @delete_50;
+    }
+
+    diagram view_30 "Work view 30" id "de1e7e00-0000-4000-8000-00000000001e" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_31 id "de1e7e00-0000-4000-8000-00000000001f" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_32 id "de1e7e00-0000-4000-8000-000000000020" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram view_40 "Work view 40" id "de1e7e00-0000-4000-8000-000000000028" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+
+
+        
+         
+         
+         
+         
+             
+             
+        
+         
+             
+             
+        
+    
+
+
+
+    node node_42 id "de1e7e00-0000-4000-8000-00000000002a" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram sa_modes_view "SA Controller modes view" id "de1e7e00-0000-4000-8000-00000000003c" {
+        description "";
+        layer Sa;
+        projection {
+            StateMachine {
+                machine @delete_51;
+            };
+        };
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_61 id "de1e7e00-0000-4000-8000-00000000003d" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_51;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 460.0;
+            width 620.0;
+        };
+    }
+
+    node node_62 id "de1e7e00-0000-4000-8000-00000000003e" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_52;
+        position {
+            x 60.0;
+            y 95.0;
+        };
+        size {
+            height 380.0;
+            width 580.0;
+        };
+    }
+
+    node node_63 id "de1e7e00-0000-4000-8000-00000000003f" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_53;
+        position {
+            x 100.0;
+            y 155.0;
+        };
+        size {
+            height 190.0;
+            width 320.0;
+        };
+    }
+
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/checkpoint.json
new file mode 100644
index 00000000..fe072f16
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/checkpoint.json
@@ -0,0 +1,140 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T09:25:15.776245+00:00",
+  "fixture": "compact",
+  "label": "placement-undo-saved-440",
+  "mode": "same",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "before": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "after": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "exact_baseline_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-compact-placement-undo-saved-440",
+      "same",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-undo-saved-440\\tree\\project.arcadia"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-undo-saved-440",
+    "receipt": {
+      "bytes": 4985,
+      "sha256": "bd6195210a9f7eb83c467c0329b3e66ea64859782335cea2c760dc28a5fe66fc"
+    }
+  },
+  "final_work": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [],
+    "files": {
+      "notes.arcadia": {
+        "bytes": 60,
+        "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+      },
+      "project.arcadia": {
+        "bytes": 5566,
+        "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\preparation.json": {
+      "bytes": 4701,
+      "sha256": "4ede523041af6367571e866f8d50d07befd12bbe8e96bf0c6a60230b58d6e156"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T09:25:21.501834+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..ad141eb5
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,24 @@
+PASS same: complete Project and exact SourceBundle restored
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\compact-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_system", object_id: Some(de1e7e00-0000-4000-8000-000000000001), field: Some("elements"), line: 2, column: 1, message: "Identify the SA system of interest.", span: Span { start: 11, end: 91 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: Some("allocation"), line: 11, column: 5, message: "Allocate leaf 'Untouched work' to a performer.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "empty_sequence", object_id: Some(de1e7e00-0000-4000-8000-000000000014), field: Some("steps"), line: 27, column: 15, message: "Add ordered occurrences.", span: Span { start: 780, end: 782 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: Some("allocation"), line: 37, column: 5, message: "Allocate leaf 'SA Initialize controller' to a performer.", span: Span { start: 1013, end: 1156 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "machine_owner", object_id: Some(de1e7e00-0000-4000-8000-000000000033), field: Some("parent"), line: 44, column: 16, message: "Assign a state-machine owner.", span: Span { start: 1294, end: 1298 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unreachable_state", object_id: Some(de1e7e00-0000-4000-8000-000000000035), field: Some("body"), line: 52, column: 5, message: "No structural path from a machine entry reaches this vertex; review entry, nesting and transitions (guards are not executed).", span: Span { start: 1454, end: 1663 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_initial", object_id: Some(de1e7e00-0000-4000-8000-000000000034), field: Some("parent"), line: 49, column: 16, message: "Add an Initial default entry or an explicit incoming entry path for this region.", span: Span { start: 1431, end: 1441 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000a), field: None, line: 6, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 147, end: 277 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-00000000000b), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 283, end: 416 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\compact-placement-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(de1e7e00-0000-4000-8000-000000000032), field: None, line: 37, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 1013, end: 1156 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-undo-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/oracle-run.json
new file mode 100644
index 00000000..c0c369c6
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/oracle-run.json
@@ -0,0 +1,88 @@
+{
+  "start": "2026-09-13T09:25:18.739983+00:00",
+  "end": "2026-09-13T09:25:21.034809+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "same",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-undo-saved-440\\tree\\project.arcadia"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia": {
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-undo-saved-440\\tree\\notes.arcadia": {
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-undo-saved-440\\tree\\project.arcadia": {
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\compact-baseline\\project.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-undo-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-undo-saved-440\\tree\\notes.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\compact-placement-undo-saved-440\\tree\\project.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-undo-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-compact-placement-undo-saved-440\\stderr.log",
+    "bytes": 10588,
+    "sha256": "25a070ac4825c7519a551818ea39bcf5c17d435b4b051fb4d7bafe217b12b6e2"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/tree/notes.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/tree/notes.arcadia
new file mode 100644
index 00000000..e65a1fc7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/tree/notes.arcadia
@@ -0,0 +1,2 @@
+// Preserve deletion evidence 雨.
+// Exact bytes matter.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..80374746
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/compact-placement-undo-saved-440/tree/project.arcadia
@@ -0,0 +1,224 @@
+arcadia 7;
+project delete_oracle "Delete oracle" id "de1e7e00-0000-4000-8000-000000000001" {
+    include "notes.arcadia";
+    description "";
+
+    oa_activity delete_10 "Target work" id "de1e7e00-0000-4000-8000-00000000000a" {
+        description "";
+        parent none;
+    }
+
+    oa_activity delete_11 "Untouched work" id "de1e7e00-0000-4000-8000-00000000000b" {
+        description "";
+        parent none;
+    }
+
+    oa_entity delete_12 "OA Dispatch team" id "de1e7e00-0000-4000-8000-00000000000c" {
+        description "";
+        parent none;
+    }
+
+    oa_scenario delete_20 "Reference scenario" id "de1e7e00-0000-4000-8000-000000000014" {
+        context none;
+        description "";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline delete_21 "Target reference" id "de1e7e00-0000-4000-8000-000000000015" {
+        description "";
+        parent @delete_20;
+        represented @delete_10;
+    }
+
+    sa_function delete_50 "SA Initialize controller" id "de1e7e00-0000-4000-8000-000000000032" {
+        description "";
+        parent none;
+    }
+
+    sa_state_machine delete_51 "SA Controller modes" id "de1e7e00-0000-4000-8000-000000000033" {
+        description "";
+        parent none;
+    }
+
+    sa_region delete_52 "SA Main region" id "de1e7e00-0000-4000-8000-000000000034" {
+        description "";
+        parent @delete_51;
+    }
+
+    sa_state delete_53 "SA Ready" id "de1e7e00-0000-4000-8000-000000000035" {
+        description "";
+        do_activity "";
+        entry "";
+        exit "";
+        kind State;
+        parent @delete_52;
+    }
+
+    allocation delete_13 "OA performs target work" id "de1e7e00-0000-4000-8000-00000000000d" {
+        description "";
+        source @delete_12;
+        target @delete_10;
+    }
+
+    state_action delete_54 "SA Entry initialize" id "de1e7e00-0000-4000-8000-000000000036" {
+        description "";
+        phase Entry;
+        source @delete_53;
+        target @delete_50;
+    }
+
+    diagram view_30 "Work view 30" id "de1e7e00-0000-4000-8000-00000000001e" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_31 id "de1e7e00-0000-4000-8000-00000000001f" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_32 id "de1e7e00-0000-4000-8000-000000000020" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram view_40 "Work view 40" id "de1e7e00-0000-4000-8000-000000000028" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_41 id "de1e7e00-0000-4000-8000-000000000029" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_42 id "de1e7e00-0000-4000-8000-00000000002a" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram sa_modes_view "SA Controller modes view" id "de1e7e00-0000-4000-8000-00000000003c" {
+        description "";
+        layer Sa;
+        projection {
+            StateMachine {
+                machine @delete_51;
+            };
+        };
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_61 id "de1e7e00-0000-4000-8000-00000000003d" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_51;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 460.0;
+            width 620.0;
+        };
+    }
+
+    node node_62 id "de1e7e00-0000-4000-8000-00000000003e" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_52;
+        position {
+            x 60.0;
+            y 95.0;
+        };
+        size {
+            height 380.0;
+            width 580.0;
+        };
+    }
+
+    node node_63 id "de1e7e00-0000-4000-8000-00000000003f" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_53;
+        position {
+            x 100.0;
+            y 155.0;
+        };
+        size {
+            height 190.0;
+            width 320.0;
+        };
+    }
+
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/checkpoint.json
new file mode 100644
index 00000000..c98fcb35
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/checkpoint.json
@@ -0,0 +1,196 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T10:01:24.357716+00:00",
+  "fixture": "lifecycle",
+  "label": "navigation-saved-440",
+  "mode": "same",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline\\lifecycle-native.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [],
+    "files": {
+      "identities.tsv": {
+        "bytes": 3891,
+        "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+      },
+      "lifecycle-native.arcadia": {
+        "bytes": 23772,
+        "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+      },
+      "preflight.rs": {
+        "bytes": 4423,
+        "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+      },
+      "README.md": {
+        "bytes": 12852,
+        "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+      }
+    }
+  },
+  "before": {
+    "directories": [],
+    "files": {
+      "identities.tsv": {
+        "bytes": 3891,
+        "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+      },
+      "lifecycle-native.arcadia": {
+        "bytes": 23772,
+        "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+      },
+      "preflight.rs": {
+        "bytes": 4423,
+        "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+      },
+      "README.md": {
+        "bytes": 12852,
+        "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+      }
+    }
+  },
+  "copy": {
+    "directories": [],
+    "files": {
+      "identities.tsv": {
+        "bytes": 3891,
+        "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+      },
+      "lifecycle-native.arcadia": {
+        "bytes": 23772,
+        "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+      },
+      "preflight.rs": {
+        "bytes": 4423,
+        "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+      },
+      "README.md": {
+        "bytes": 12852,
+        "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+      }
+    }
+  },
+  "after": {
+    "directories": [],
+    "files": {
+      "identities.tsv": {
+        "bytes": 3891,
+        "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+      },
+      "lifecycle-native.arcadia": {
+        "bytes": 23772,
+        "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+      },
+      "preflight.rs": {
+        "bytes": 4423,
+        "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+      },
+      "README.md": {
+        "bytes": 12852,
+        "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+      }
+    }
+  },
+  "exact_baseline_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-lifecycle-navigation-saved-440",
+      "same",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline\\lifecycle-native.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\lifecycle-navigation-saved-440\\tree\\lifecycle-native.arcadia"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-lifecycle-navigation-saved-440",
+    "receipt": {
+      "bytes": 6747,
+      "sha256": "e8540b55393d4198fe3c608f2630e530ea505d826f7328b8db7f917d46f85f85"
+    }
+  },
+  "final_work": {
+    "directories": [],
+    "files": {
+      "identities.tsv": {
+        "bytes": 3891,
+        "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+      },
+      "lifecycle-native.arcadia": {
+        "bytes": 23772,
+        "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+      },
+      "preflight.rs": {
+        "bytes": 4423,
+        "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+      },
+      "README.md": {
+        "bytes": 12852,
+        "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [],
+    "files": {
+      "identities.tsv": {
+        "bytes": 3891,
+        "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+      },
+      "lifecycle-native.arcadia": {
+        "bytes": 23772,
+        "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+      },
+      "preflight.rs": {
+        "bytes": 4423,
+        "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+      },
+      "README.md": {
+        "bytes": 12852,
+        "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [],
+    "files": {
+      "identities.tsv": {
+        "bytes": 3891,
+        "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+      },
+      "lifecycle-native.arcadia": {
+        "bytes": 23772,
+        "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+      },
+      "preflight.rs": {
+        "bytes": 4423,
+        "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+      },
+      "README.md": {
+        "bytes": 12852,
+        "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\preparation.json": {
+      "bytes": 4701,
+      "sha256": "4ede523041af6367571e866f8d50d07befd12bbe8e96bf0c6a60230b58d6e156"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T10:01:28.876102+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..79b6ff26
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,40 @@
+PASS same: complete Project and exact SourceBundle restored
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(21c0fe00-0000-4000-8000-000000000064), field: Some("allocation"), line: 7, column: 5, message: "Allocate leaf 'Review pressure demand' to a performer.", span: Span { start: 497, end: 638 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(21c0fe00-0000-4000-8000-000000000065), field: Some("allocation"), line: 12, column: 5, message: "Allocate leaf 'WWWWWWWWWWWWWWWWWW pressure inspection activity' to a performer.", span: Span { start: 644, end: 810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000003ed), field: Some("exchange"), line: 179, column: 5, message: "Choose an exchange.", span: Span { start: 5495, end: 5955 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-00000000042e), field: Some("exchange"), line: 280, column: 5, message: "Choose an exchange.", span: Span { start: 8337, end: 8797 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000007d5), field: Some("exchange"), line: 319, column: 5, message: "Choose an exchange.", span: Span { start: 9677, end: 10137 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000816), field: Some("exchange"), line: 426, column: 5, message: "Choose an exchange.", span: Span { start: 12699, end: 13159 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bcc), field: Some("exchange"), line: 478, column: 5, message: "Choose an exchange.", span: Span { start: 14322, end: 14777 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000be0), field: Some("exchange"), line: 495, column: 5, message: "Choose an exchange.", span: Span { start: 14783, end: 15234 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bea), field: Some("exchange"), line: 512, column: 5, message: "Choose an exchange.", span: Span { start: 15240, end: 15700 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bfe), field: Some("exchange"), line: 529, column: 5, message: "Choose an exchange.", span: Span { start: 15706, end: 16161 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000fc8), field: Some("exchange"), line: 568, column: 5, message: "Choose an exchange.", span: Span { start: 16923, end: 17380 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000fe6), field: Some("exchange"), line: 585, column: 5, message: "Choose an exchange.", span: Span { start: 17386, end: 17850 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013b0), field: Some("exchange"), line: 663, column: 5, message: "Choose an exchange.", span: Span { start: 19642, end: 20099 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013ba), field: Some("exchange"), line: 680, column: 5, message: "Choose an exchange.", span: Span { start: 20105, end: 20578 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_lifeline", object_id: Some(21c0fe00-0000-4000-8000-0000000013ba), field: Some("sender"), line: 680, column: 5, message: "Choose sender.", span: Span { start: 20105, end: 20578 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013ce), field: Some("exchange"), line: 697, column: 5, message: "Choose an exchange.", span: Span { start: 20584, end: 21042 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000001775), field: Some("exchange"), line: 736, column: 5, message: "Choose an exchange.", span: Span { start: 21794, end: 22252 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\lifecycle-baseline\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000001798), field: Some("exchange"), line: 753, column: 5, message: "Choose an exchange.", span: Span { start: 22258, end: 22729 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(21c0fe00-0000-4000-8000-000000000064), field: Some("allocation"), line: 7, column: 5, message: "Allocate leaf 'Review pressure demand' to a performer.", span: Span { start: 497, end: 638 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(21c0fe00-0000-4000-8000-000000000065), field: Some("allocation"), line: 12, column: 5, message: "Allocate leaf 'WWWWWWWWWWWWWWWWWW pressure inspection activity' to a performer.", span: Span { start: 644, end: 810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000003ed), field: Some("exchange"), line: 179, column: 5, message: "Choose an exchange.", span: Span { start: 5495, end: 5955 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-00000000042e), field: Some("exchange"), line: 280, column: 5, message: "Choose an exchange.", span: Span { start: 8337, end: 8797 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000007d5), field: Some("exchange"), line: 319, column: 5, message: "Choose an exchange.", span: Span { start: 9677, end: 10137 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000816), field: Some("exchange"), line: 426, column: 5, message: "Choose an exchange.", span: Span { start: 12699, end: 13159 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bcc), field: Some("exchange"), line: 478, column: 5, message: "Choose an exchange.", span: Span { start: 14322, end: 14777 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000be0), field: Some("exchange"), line: 495, column: 5, message: "Choose an exchange.", span: Span { start: 14783, end: 15234 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bea), field: Some("exchange"), line: 512, column: 5, message: "Choose an exchange.", span: Span { start: 15240, end: 15700 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000bfe), field: Some("exchange"), line: 529, column: 5, message: "Choose an exchange.", span: Span { start: 15706, end: 16161 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000fc8), field: Some("exchange"), line: 568, column: 5, message: "Choose an exchange.", span: Span { start: 16923, end: 17380 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000000fe6), field: Some("exchange"), line: 585, column: 5, message: "Choose an exchange.", span: Span { start: 17386, end: 17850 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013b0), field: Some("exchange"), line: 663, column: 5, message: "Choose an exchange.", span: Span { start: 19642, end: 20099 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013ba), field: Some("exchange"), line: 680, column: 5, message: "Choose an exchange.", span: Span { start: 20105, end: 20578 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_lifeline", object_id: Some(21c0fe00-0000-4000-8000-0000000013ba), field: Some("sender"), line: 680, column: 5, message: "Choose sender.", span: Span { start: 20105, end: 20578 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-0000000013ce), field: Some("exchange"), line: 697, column: 5, message: "Choose an exchange.", span: Span { start: 20584, end: 21042 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000001775), field: Some("exchange"), line: 736, column: 5, message: "Choose an exchange.", span: Span { start: 21794, end: 22252 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\lifecycle-navigation-saved-440\tree\lifecycle-native.arcadia: SourceDiagnostic { path: "lifecycle-native.arcadia", diagnostic: Diagnostic { severity: Warning, code: "missing_exchange", object_id: Some(21c0fe00-0000-4000-8000-000000001798), field: Some("exchange"), line: 753, column: 5, message: "Choose an exchange.", span: Span { start: 22258, end: 22729 } }, related: [] }
+
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/oracle-run.json
new file mode 100644
index 00000000..4ee64ea1
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/oracle-run.json
@@ -0,0 +1,108 @@
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+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline\\lifecycle-native.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\lifecycle-baseline\\preflight.rs"
+      ]
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+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\lifecycle-navigation-saved-440\\tree\\lifecycle-native.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\lifecycle-navigation-saved-440\\tree\\preflight.rs"
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+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/README.md b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/README.md
new file mode 100644
index 00000000..8afc2a8e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/README.md
@@ -0,0 +1,62 @@
+# Native lifecycle union fixtures — strong core preflight passed; GUI pending
+
+## Strong actual-core preflight — 2026-09-13 00:14 UTC
+
+The unchanged prepared `preflight.rs` compiled with Rust edition 2024, `-D warnings` and the documented LLVM-MinGW linker, then passed on the unchanged fixture. Build and run both exited 0. See [build/provenance receipt](strong-preflight-d61-r1/build.json), [run receipt](strong-preflight-d61-r1/run.json), [full assertion result and diagnostics](strong-preflight-d61-r1/run.stdout.log), and [exact verified core/config/lock inputs](strong-preflight-d61-r1/verified-core-config-inputs.json). Compiler and runtime stderr were empty. The executable SHA-256 is `d5d1d6c547c0e0a8a4fe1e64b2fd1023017596eefe6ca499c7159051f95395b7`.
+
+The existing `liboa_core-145180297aa692e4.rlib` SHA-256 `d395dbe1f761d41bce3cb850f44cdc0343b0db172bd03abf89e455c44f4b7e86` matches its identified prior425 build receipt. All 110 scoped core/configuration/lock inputs match both the prior425 and closed d61 full gate manifests, and the current committed `aadc6396d39ff336d05381d58d545093d3f37a73` core/configuration has no tracked or untracked changes. The closed d61 gate source is `d61f1f38779ab70a77efcde523ae31c432aefcfd`. No core rebuild or newest-artifact substitution occurred. The exact driver, probe, fixture snapshot, earlier build receipt, commands and tool hashes are preserved in the new result directory.
+
+Executed assertions establish: six scenarios, 61 elements, five relations, zero Errors and 18 completeness warnings; ordinary candidate admission; exact original SourceBundle preservation including comments/Unicode/IDs; complete Project equality through canonical format/parse and formatting stability; all six root step orders; all eight carried pressure values; four SA invocation/allocation/caller/provider proofs; and the intentional incomplete Reply sender/receiver/correlation tuple. Native geometry, pixels, selection, save/reopen interaction, focus and monitor appearance remain pending. The compiler lease was explicitly closed after this run; this helper does not establish desktop-renderer or release acceptance.
+
+## Preliminary admission receipt — 2026-09-13 00:04 UTC
+
+The existing identified core oracle passed `same lifecycle-native.arcadia lifecycle-native.arcadia`, exit 0. See [exact command, identities and exit](preliminary-admission-42511f0-r2/run.json), [stdout](preliminary-admission-42511f0-r2/stdout.log), and [all diagnostics](preliminary-admission-42511f0-r2/stderr.log). Each of its two independent loads reported 18 warnings: 15 `missing_exchange`, one `missing_lifeline`, and two `unallocated_leaf`; no Errors. The fixture SHA-256 remained `998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f`.
+
+The executable SHA-256 `9796aa73544c6414003e6230a668a6cf1435978a310187ef2560af67e35f3466` and compiled oracle source SHA-256 `fbc001a3c14d075fa9d5fce90188cc06055c12b02d4c5929818ac4325fb82c5e` were verified against its original build receipt before execution. Core identity is `42511f0f8ae46f29e11ae18c1030face654c2994`. [Preserved inputs and original build receipt](preliminary-admission-42511f0-r1/run.json) accompany byte-for-byte fixture and oracle source snapshots in that directory. The first launch exited `-1073741515` (`0xC0000135`) with empty output before admission; the successful second launch prepended the repository's documented LLVM-MinGW runtime directory to this process's PATH. Runtime DLL hashes and the exact PATH prefix are in r2. No executable was replaced or rebuilt.
+
+Source review confirms `same` calls full source-project discovery/load, rejects discovery Errors and detached buffers, calls `compile_bundle` without allowing migration/normalization, and calls `validate_candidate` on the entire decoded Project. It then compares the complete Project and exact SourceBundle. The self-comparison establishes parse/source/model admission with that identified core; its identity comparison is tautological and **does not establish canonical roundtrip, execute `preflight.rs` assertions, validate the updated desktop renderer, or establish GUI acceptance**. At that preliminary checkpoint, the stronger checks were pending; the subsequent stronger core run is recorded above. The source-preparation notes below describe the earlier preparation stage.
+
+The unchanged `lifecycle-native.arcadia` is now ready for the parent's native acceptance workflow after the successful core preflight. This is one project containing six small scenarios, 61 elements and five relations. `identities.tsv` gives every scenario, lifeline and occurrence alias/UUID. IDs use the new deterministic namespace `21c0fe00-0000-4000-8000-...`; the last 12 hex digits encode the alias's decimal suffix. Source comments include Ω, 戻り値, a combining-accent `é`, and `👩‍🔧` for exact save/reopen retention.
+
+Target renderer source: reviewed union `f6595ebf66e88ec42c37b5c1a3c014f5e52cb32d`, before any later root corrections. The fixture was newly authored source; validation of the earlier bound-call artifact was not reused as proof for this edited project. No compiler, fixture execution, native interaction, Gitea mutation or root tracked edit was performed during preparation. Standalone rustfmt only parsed/formatted `preflight.rs`.
+
+## Contents and expected geometry
+
+The coordinates below are **source-derived world-coordinate expectations**, not measured screen pixels. At the current Scene layout, L1 is x=160 and L2 is x=400. Pan, Fit and zoom transform these coordinates. Marker capsules are 140×28, centered on L2. Activation bars use the reviewed 12-unit width/6-unit nesting offset; these are current implementation checks, not new permanent specification dimensions.
+
+| Scenario / owner alias | Ordered events | Expected result |
+| --- | --- | --- |
+| **OA 1 Nested lifetime — Latin** / `bound_1000` | Create1005, C1=1040, C2=1030, R2=1060, R1=1050, Delete1070 | Rows148,240,332,424,516,608. L2 alive148–608. Outer C1 rectangle x394,y240,w12,h276; inner C2 x400,y332,w12,h92. Calls end and replies start on their corresponding left activation edges. Create ends x330,y148 at capsule edge; Delete ends x400,y608 at cross. No unanswered cue. |
+| **SA 2 Nested lifetime — Unicode** / `bound_2000` | Create2005, C1=2040, C2=2030, R2=2060, R1=2050, Delete2070 | Same rows and activation geometry as OA. Four Call/Reply messages retain the exact synchronous interface-operation allocation `bound_220`, caller port202, provider port203 and carried values. |
+| **OA 3 Self lifecycle and call** / `bound_3000` | Action3010, self-Create3020, self-Call3040, self-Reply3050, self-Delete3070 | Action row148, box bottom193. Self-Create marker row259, send235, label207; it clears the action. Self-Call send351, receive375; bar begins375. Self-Reply send443, receive467; bar ends443. Self-Delete send527, marker receive551. Execution x394,y375,w12,h68. Self-Call points `(400,351),(466,351),(466,375),(406,375)`; self-Reply `(406,443),(466,443),(466,467),(400,467)`. Create elbow is x512 and ends on capsule right edge470; Delete elbow512 returns to lane400. |
+| **OA 4 Death in one ALT operand** / `bound_4000` | Call4040; ALT4080: left4081 contains Delete4070, right4082 is empty | Preserve parent pre-frame activation, a left piece ending at Delete with Terminated metadata, and a separate 26-unit open right piece. No definite post-frame activation. The death path, empty open sibling and uncertain parent retain distinct cues. Source-derived rows: Call148, frame240, Delete385; left scope starts343, right525; right open piece525–551. |
+| **SA 5 Death and incomplete reply** / `bound_5000` | Call5040, Delete5070, incomplete Reply5050 | Call row148 to death240. One terminated execution and unanswered cue. Reply row332 is a repair card: sender is intentionally absent, receiver5001 and reply_to5040 remain. It must not become a detached Reply arrow or fabricate an answered execution. |
+| **SA 6 Unresolved lifetime, visible cue** / `bound_6000` | ALT6080: left6081 Create6005, right6082 Call6040 | Exclusive operands share conservative entry state. Create marker is visible in left; right lifetime is unresolved. The right Call remains visible and lane-anchored, with an unanswered cue even though there is no activation rectangle. Source-derived Create row293, Call475; cue around y494. |
+
+The first two cases intentionally retain C2's numerically lower UUID despite C1 appearing first in semantic `steps`, exercising order independence. C1 input is420.0 kPa, R1 return418.0; C2 input380.0, R2 return378.0. OA calls use the actual Interaction/Operation-item contract; SA calls use the concrete BoundaryExchange, required/provided interfaces and synchronous operation allocation copied from the earlier bound fixture. Lifecycle Create/Delete messages and the self/incomplete cases intentionally have no exchange/operation binding; they are draft-capable, explicitly identified lifeline events with expected completeness warnings.
+
+Long-name witnesses are in both the actual lifeline/capsule name and represented activity/system detail. OA uses wide Latin `W` glyphs; SA uses long CJK text and an emoji ZWJ sequence; the self case includes combining accents. Full names should remain in Properties/source while painted text stays inside its padded header/capsule clip.
+
+## Admission and round-trip expectations
+
+At source preparation, the fixture was checked against the actual constructors/tests and core rules. The stronger executed checks are recorded above:
+
+- Bound contracts and original Call/Reply values derive from `.local/native-qa/bound-nested-fixture-r1-20260912/bound-nested-calls.arcadia`; that earlier artifact's validation does **not** validate this edited project.
+- Model shape and admitted lifetime cases follow `scenario_lifecycle/render_tests.rs` and `union_tests.rs` at f659. The source notation uses the same Exchange, Action, Fragment and Branch variants as their actual core constructors.
+- Core `validation.rs:1766–1791` rejects explicit receiver use before Create or after Delete. These fixtures contain no such same-path use. The self scenario's preceding Action uses L1, not the created L2. In SA5, the later Reply's dead sender endpoint is absent. In SA6, Create and Call occupy distinct exclusive ALT operands; `possibly_before` treats them as mutually exclusive.
+- Each reply names its guaranteed earlier call and reverses the known endpoints; missing endpoints remain missing. No recreated-after-death or fully bound late-reply invalid model is included.
+- Expect **zero Errors**, with completeness warnings from deliberately unbound messages, unfinished calls and draft endpoint/analysis fields. Do not hide warnings or report this as a complete system design.
+- Require actual source-project admission, exact original bundle equality (comments/Unicode/explicit IDs), complete Project equality through canonical format/parse, and canonical formatting stability. Compare all fields, not just scenario steps.
+
+`preflight.rs` is the standalone actual-core check now compiled and executed successfully as recorded above. It reads only the source, performs those checks, verifies all six root step orders and the eight preserved pressure values, and resolves all four SA messages to the exact Call/allocation/ports. It prints diagnostics and a PASS line only after every assertion succeeds; it writes no files. A future rerun must preserve a new receipt label and retain exact dependency provenance.
+
+## Native acceptance checklist
+
+Use the named scenarios in Behavior. Check normal-scale and Fit appearance; compare selected and unselected bars and each exposed shoulder, including the three label-backplate bands above nested C2/R2/R1. Exact message/arrow points must still select their own occurrence. Birth capsules and death crosses must select their Create/Delete IDs at pan/zoom. Confirm the long header/capsule labels are clipped without text leaking outside or disappearing after pan, and self-event captions clear the preceding Action. In Properties, inspect pressure values/correlations and the intentionally missing SA5 sender.
+
+For ALT cases, do not interpret vertically stacked operands as consecutive execution. Check each operand and the uncertain continuation independently. Save/reopen a writable acceptance copy and compare the complete Project and original comments/Unicode. This fixture does not establish free positioning, min-scale shoulder usability, global palette improvement, platform completion, or release acceptance; those retain their separate gates.
+
+Source identity before root execution:
+
+- `lifecycle-native.arcadia`: SHA-256 `998A2FD3E2474E72FC013F4DA422E49BAD61E118DE62ECCFBD71BF06B863CE7F`.
+- `preflight.rs`: SHA-256 `BF2EB9B908AE36198D15D47AE79D56E4BB181F506598CC4E76A76175041F633E`.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/identities.tsv b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/identities.tsv
new file mode 100644
index 00000000..273eb37a
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/identities.tsv
@@ -0,0 +1,49 @@
+alias	id	kind	name
+bound_1000	21c0fe00-0000-4000-8000-0000000003e8	oa_scenario	OA 1 Nested lifetime — Latin
+bound_1001	21c0fe00-0000-4000-8000-0000000003e9	oa_lifeline	L1 Console
+bound_1002	21c0fe00-0000-4000-8000-0000000003ea	oa_lifeline	L2 WWWWWWWWWWWWWWWWWW Inspector
+bound_1005	21c0fe00-0000-4000-8000-0000000003ed	oa_occurrence	Create inspector
+bound_1030	21c0fe00-0000-4000-8000-000000000406	oa_occurrence	C2 380 kPa
+bound_1040	21c0fe00-0000-4000-8000-000000000410	oa_occurrence	C1 420 kPa
+bound_1050	21c0fe00-0000-4000-8000-00000000041a	oa_occurrence	R1 418 kPa
+bound_1060	21c0fe00-0000-4000-8000-000000000424	oa_occurrence	R2 378 kPa
+bound_1070	21c0fe00-0000-4000-8000-00000000042e	oa_occurrence	Delete inspector
+bound_2000	21c0fe00-0000-4000-8000-0000000007d0	sa_scenario	SA 2 Nested lifetime — Unicode
+bound_2001	21c0fe00-0000-4000-8000-0000000007d1	sa_lifeline	L1 Console
+bound_2002	21c0fe00-0000-4000-8000-0000000007d2	sa_lifeline	L2 界界界界界界界界界界界界 戻り値 👩‍🔧
+bound_2005	21c0fe00-0000-4000-8000-0000000007d5	sa_occurrence	Create inspector
+bound_2030	21c0fe00-0000-4000-8000-0000000007ee	sa_occurrence	C2 380 kPa
+bound_2040	21c0fe00-0000-4000-8000-0000000007f8	sa_occurrence	C1 420 kPa
+bound_2050	21c0fe00-0000-4000-8000-000000000802	sa_occurrence	R1 418 kPa
+bound_2060	21c0fe00-0000-4000-8000-00000000080c	sa_occurrence	R2 378 kPa
+bound_2070	21c0fe00-0000-4000-8000-000000000816	sa_occurrence	Delete inspector
+bound_3000	21c0fe00-0000-4000-8000-000000000bb8	oa_scenario	OA 3 Self lifecycle and call
+bound_3001	21c0fe00-0000-4000-8000-000000000bb9	oa_lifeline	L1 Creator
+bound_3002	21c0fe00-0000-4000-8000-000000000bba	oa_lifeline	L2 自己検査 é é é 👩‍🔧 確認担当
+bound_3010	21c0fe00-0000-4000-8000-000000000bc2	oa_occurrence	Prepare creation
+bound_3020	21c0fe00-0000-4000-8000-000000000bcc	oa_occurrence	Self create
+bound_3040	21c0fe00-0000-4000-8000-000000000be0	oa_occurrence	Self call
+bound_3050	21c0fe00-0000-4000-8000-000000000bea	oa_occurrence	Self reply
+bound_3070	21c0fe00-0000-4000-8000-000000000bfe	oa_occurrence	Self delete
+bound_4000	21c0fe00-0000-4000-8000-000000000fa0	oa_scenario	OA 4 Death in one ALT operand
+bound_4001	21c0fe00-0000-4000-8000-000000000fa1	oa_lifeline	L1 Requester
+bound_4002	21c0fe00-0000-4000-8000-000000000fa2	oa_lifeline	L2 Conditional inspector
+bound_4040	21c0fe00-0000-4000-8000-000000000fc8	oa_occurrence	Unanswered call
+bound_4070	21c0fe00-0000-4000-8000-000000000fe6	oa_occurrence	Delete without reply
+bound_4080	21c0fe00-0000-4000-8000-000000000ff0	oa_occurrence	Delete or keep alive
+bound_4081	21c0fe00-0000-4000-8000-000000000ff1	oa_occurrence	Delete path
+bound_4082	21c0fe00-0000-4000-8000-000000000ff2	oa_occurrence	Open path
+bound_5000	21c0fe00-0000-4000-8000-000000001388	sa_scenario	SA 5 Death and incomplete reply
+bound_5001	21c0fe00-0000-4000-8000-000000001389	sa_lifeline	L1 Requester
+bound_5002	21c0fe00-0000-4000-8000-00000000138a	sa_lifeline	L2 Terminated service
+bound_5040	21c0fe00-0000-4000-8000-0000000013b0	sa_occurrence	Unanswered call
+bound_5050	21c0fe00-0000-4000-8000-0000000013ba	sa_occurrence	Incomplete reply — no sender
+bound_5070	21c0fe00-0000-4000-8000-0000000013ce	sa_occurrence	Delete service
+bound_6000	21c0fe00-0000-4000-8000-000000001770	sa_scenario	SA 6 Unresolved lifetime, visible cue
+bound_6001	21c0fe00-0000-4000-8000-000000001771	sa_lifeline	L1 Requester
+bound_6002	21c0fe00-0000-4000-8000-000000001772	sa_lifeline	L2 Unresolved service
+bound_6005	21c0fe00-0000-4000-8000-000000001775	sa_occurrence	Create service
+bound_6040	21c0fe00-0000-4000-8000-000000001798	sa_occurrence	Call with unresolved lifetime
+bound_6080	21c0fe00-0000-4000-8000-0000000017c0	sa_occurrence	Birth is path dependent
+bound_6081	21c0fe00-0000-4000-8000-0000000017c1	sa_occurrence	Create path
+bound_6082	21c0fe00-0000-4000-8000-0000000017c2	sa_occurrence	Call path
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/lifecycle-native.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/lifecycle-native.arcadia
new file mode 100644
index 00000000..bee722f7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/lifecycle-native.arcadia
@@ -0,0 +1,809 @@
+// Source-only fixture: validation and native acceptance have NOT been executed.
+// Preserve this comment and Unicode Ω, 戻り値, é and 👩‍🔧 during save/reopen.
+arcadia 7;
+project lifecycle_native "Nested lifecycle union acceptance" id "21c0fe00-0000-4000-8000-000000000001" {
+    description "Six compact scenarios for typed activations, birth/death, long labels and admitted incomplete paths. Fixture preparation is source review only; run preflight before native acceptance.";
+
+    oa_activity bound_100 "Review pressure demand" id "21c0fe00-0000-4000-8000-000000000064" {
+        description "";
+        parent none;
+    }
+
+    oa_activity bound_101 "WWWWWWWWWWWWWWWWWW pressure inspection activity" id "21c0fe00-0000-4000-8000-000000000065" {
+        description "";
+        parent none;
+    }
+
+    oa_exchange_item bound_110 "Check pressure" id "21c0fe00-0000-4000-8000-00000000006e" {
+        description "";
+        kind Information;
+        mechanism Operation;
+        parent none;
+        supertype none;
+    }
+
+    oa_data_field bound_111 "requested_pressure" id "21c0fe00-0000-4000-8000-00000000006f" {
+        default none;
+        description "";
+        direction In;
+        maximum 1;
+        minimum 1;
+        parent @bound_110;
+        storage Value;
+        type_ref Real;
+        unit "kPa";
+    }
+
+    oa_data_field bound_112 "measured_pressure" id "21c0fe00-0000-4000-8000-000000000070" {
+        default none;
+        description "";
+        direction Return;
+        maximum 1;
+        minimum 1;
+        parent @bound_110;
+        storage Value;
+        type_ref Real;
+        unit "kPa";
+    }
+
+    interaction bound_120 "Pressure check" id "21c0fe00-0000-4000-8000-000000000078" {
+        description "";
+        items [@bound_110];
+        source @bound_100;
+        target @bound_101;
+    }
+
+    sa_actor bound_200 "Operator console" id "21c0fe00-0000-4000-8000-0000000000c8" {
+        description "";
+        parent none;
+    }
+
+    sa_system bound_201 "界界界界界界界界界界界界 圧力確認サービス 👩‍🔧" id "21c0fe00-0000-4000-8000-0000000000c9" {
+        description "";
+        parent none;
+    }
+
+    sa_port bound_202 "Client socket" id "21c0fe00-0000-4000-8000-0000000000ca" {
+        contract {
+            Component {
+                kind Standard;
+                orientation Unset;
+            };
+        };
+        description "";
+        legacy none;
+        parent @bound_200;
+    }
+
+    sa_port bound_203 "Service socket" id "21c0fe00-0000-4000-8000-0000000000cb" {
+        contract {
+            Component {
+                kind Standard;
+                orientation Unset;
+            };
+        };
+        description "";
+        legacy none;
+        parent @bound_201;
+    }
+
+    sa_exchange_item bound_210 "Check pressure" id "21c0fe00-0000-4000-8000-0000000000d2" {
+        description "";
+        kind Information;
+        mechanism Operation;
+        parent none;
+        supertype none;
+    }
+
+    sa_data_field bound_211 "requested_pressure" id "21c0fe00-0000-4000-8000-0000000000d3" {
+        default none;
+        description "";
+        direction In;
+        maximum 1;
+        minimum 1;
+        parent @bound_210;
+        storage Value;
+        type_ref Real;
+        unit "kPa";
+    }
+
+    sa_data_field bound_212 "measured_pressure" id "21c0fe00-0000-4000-8000-0000000000d4" {
+        default none;
+        description "";
+        direction Return;
+        maximum 1;
+        minimum 1;
+        parent @bound_210;
+        storage Value;
+        type_ref Real;
+        unit "kPa";
+    }
+
+    sa_interface bound_213 "Pressure check API" id "21c0fe00-0000-4000-8000-0000000000d5" {
+        description "";
+        parent none;
+        supertype none;
+    }
+
+    interface_item_allocation bound_220 "Synchronous pressure check" id "21c0fe00-0000-4000-8000-0000000000dc" {
+        acquisition Unspecified;
+        description "";
+        order 0;
+        source @bound_213;
+        target @bound_210;
+        transmission Synchronous;
+    }
+
+    interface_requirement bound_221 "Console requires check" id "21c0fe00-0000-4000-8000-0000000000dd" {
+        description "";
+        source @bound_202;
+        target @bound_213;
+    }
+
+    interface_provision bound_222 "Service provides check" id "21c0fe00-0000-4000-8000-0000000000de" {
+        description "";
+        source @bound_203;
+        target @bound_213;
+    }
+
+    boundary_exchange bound_223 "Pressure channel" id "21c0fe00-0000-4000-8000-0000000000df" {
+        description "";
+        items [@bound_210];
+        oriented false;
+        source @bound_202;
+        target @bound_203;
+    }
+
+    oa_scenario bound_1000 "OA 1 Nested lifetime — Latin" id "21c0fe00-0000-4000-8000-0000000003e8" {
+        context none;
+        description "";
+        parent none;
+        postcondition "Each reply retains its own requested and measured values";
+        precondition "Two pressure checks are reviewed before the outer reply";
+        steps [@bound_1005, @bound_1040, @bound_1030, @bound_1060, @bound_1050, @bound_1070];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline bound_1001 "L1 Console" id "21c0fe00-0000-4000-8000-0000000003e9" {
+        description "";
+        parent @bound_1000;
+        represented @bound_100;
+    }
+
+    oa_lifeline bound_1002 "L2 WWWWWWWWWWWWWWWWWW Inspector" id "21c0fe00-0000-4000-8000-0000000003ea" {
+        description "";
+        parent @bound_1000;
+        represented @bound_101;
+    }
+
+    oa_occurrence bound_1005 "Create inspector" id "21c0fe00-0000-4000-8000-0000000003ed" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Create;
+                receiver @bound_1002;
+                reply_to none;
+                sender @bound_1001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1030 "C2 380 kPa" id "21c0fe00-0000-4000-8000-000000000406" {
+        body {
+            Exchange {
+                exchange @bound_120;
+                message_kind Call;
+                receiver @bound_1002;
+                reply_to none;
+                sender @bound_1001;
+                values [{
+                    expression "380.0";
+                    field @bound_111;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1040 "C1 420 kPa" id "21c0fe00-0000-4000-8000-000000000410" {
+        body {
+            Exchange {
+                exchange @bound_120;
+                message_kind Call;
+                receiver @bound_1002;
+                reply_to none;
+                sender @bound_1001;
+                values [{
+                    expression "420.0";
+                    field @bound_111;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1050 "R1 418 kPa" id "21c0fe00-0000-4000-8000-00000000041a" {
+        body {
+            Exchange {
+                exchange @bound_120;
+                message_kind Reply;
+                receiver @bound_1001;
+                reply_to @bound_1040;
+                sender @bound_1002;
+                values [{
+                    expression "418.0";
+                    field @bound_112;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1060 "R2 378 kPa" id "21c0fe00-0000-4000-8000-000000000424" {
+        body {
+            Exchange {
+                exchange @bound_120;
+                message_kind Reply;
+                receiver @bound_1001;
+                reply_to @bound_1030;
+                sender @bound_1002;
+                values [{
+                    expression "378.0";
+                    field @bound_112;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1070 "Delete inspector" id "21c0fe00-0000-4000-8000-00000000042e" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_1002;
+                reply_to none;
+                sender @bound_1001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_scenario bound_2000 "SA 2 Nested lifetime — Unicode" id "21c0fe00-0000-4000-8000-0000000007d0" {
+        context none;
+        description "";
+        parent none;
+        postcondition "Each reply retains its own requested and measured values";
+        precondition "Two pressure checks are reviewed before the outer reply";
+        steps [@bound_2005, @bound_2040, @bound_2030, @bound_2060, @bound_2050, @bound_2070];
+        viewpoint BoundaryInterface;
+    }
+
+    sa_lifeline bound_2001 "L1 Console" id "21c0fe00-0000-4000-8000-0000000007d1" {
+        description "";
+        parent @bound_2000;
+        represented @bound_200;
+    }
+
+    sa_lifeline bound_2002 "L2 界界界界界界界界界界界界 戻り値 👩‍🔧" id "21c0fe00-0000-4000-8000-0000000007d2" {
+        description "";
+        parent @bound_2000;
+        represented @bound_201;
+    }
+
+    sa_occurrence bound_2005 "Create inspector" id "21c0fe00-0000-4000-8000-0000000007d5" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Create;
+                receiver @bound_2002;
+                reply_to none;
+                sender @bound_2001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2030 "C2 380 kPa" id "21c0fe00-0000-4000-8000-0000000007ee" {
+        body {
+            Exchange {
+                exchange @bound_223;
+                message_kind Call;
+                operation {
+                    allocation @bound_220;
+                };
+                receiver @bound_2002;
+                reply_to none;
+                sender @bound_2001;
+                values [{
+                    expression "380.0";
+                    field @bound_211;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2040 "C1 420 kPa" id "21c0fe00-0000-4000-8000-0000000007f8" {
+        body {
+            Exchange {
+                exchange @bound_223;
+                message_kind Call;
+                operation {
+                    allocation @bound_220;
+                };
+                receiver @bound_2002;
+                reply_to none;
+                sender @bound_2001;
+                values [{
+                    expression "420.0";
+                    field @bound_211;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2050 "R1 418 kPa" id "21c0fe00-0000-4000-8000-000000000802" {
+        body {
+            Exchange {
+                exchange @bound_223;
+                message_kind Reply;
+                receiver @bound_2001;
+                reply_to @bound_2040;
+                sender @bound_2002;
+                values [{
+                    expression "418.0";
+                    field @bound_212;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2060 "R2 378 kPa" id "21c0fe00-0000-4000-8000-00000000080c" {
+        body {
+            Exchange {
+                exchange @bound_223;
+                message_kind Reply;
+                receiver @bound_2001;
+                reply_to @bound_2030;
+                sender @bound_2002;
+                values [{
+                    expression "378.0";
+                    field @bound_212;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2070 "Delete inspector" id "21c0fe00-0000-4000-8000-000000000816" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_2002;
+                reply_to none;
+                sender @bound_2001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_scenario bound_3000 "OA 3 Self lifecycle and call" id "21c0fe00-0000-4000-8000-000000000bb8" {
+        context none;
+        description "Native lifecycle union acceptance fixture; completeness warnings are intentional.";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@bound_3010, @bound_3020, @bound_3040, @bound_3050, @bound_3070];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline bound_3001 "L1 Creator" id "21c0fe00-0000-4000-8000-000000000bb9" {
+        description "";
+        parent @bound_3000;
+        represented @bound_100;
+    }
+
+    oa_lifeline bound_3002 "L2 自己検査 é é é 👩‍🔧 確認担当" id "21c0fe00-0000-4000-8000-000000000bba" {
+        description "";
+        parent @bound_3000;
+        represented @bound_101;
+    }
+
+    oa_occurrence bound_3010 "Prepare creation" id "21c0fe00-0000-4000-8000-000000000bc2" {
+        body {
+            Action {
+                action @bound_100;
+                lifeline @bound_3001;
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_3020 "Self create" id "21c0fe00-0000-4000-8000-000000000bcc" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Create;
+                receiver @bound_3002;
+                reply_to none;
+                sender @bound_3002;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_3040 "Self call" id "21c0fe00-0000-4000-8000-000000000be0" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Call;
+                receiver @bound_3002;
+                reply_to none;
+                sender @bound_3002;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_3050 "Self reply" id "21c0fe00-0000-4000-8000-000000000bea" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Reply;
+                receiver @bound_3002;
+                reply_to @bound_3040;
+                sender @bound_3002;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_3070 "Self delete" id "21c0fe00-0000-4000-8000-000000000bfe" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_3002;
+                reply_to none;
+                sender @bound_3002;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_scenario bound_4000 "OA 4 Death in one ALT operand" id "21c0fe00-0000-4000-8000-000000000fa0" {
+        context none;
+        description "Native lifecycle union acceptance fixture; completeness warnings are intentional.";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@bound_4040, @bound_4080];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline bound_4001 "L1 Requester" id "21c0fe00-0000-4000-8000-000000000fa1" {
+        description "";
+        parent @bound_4000;
+        represented @bound_100;
+    }
+
+    oa_lifeline bound_4002 "L2 Conditional inspector" id "21c0fe00-0000-4000-8000-000000000fa2" {
+        description "";
+        parent @bound_4000;
+        represented @bound_101;
+    }
+
+    oa_occurrence bound_4040 "Unanswered call" id "21c0fe00-0000-4000-8000-000000000fc8" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Call;
+                receiver @bound_4002;
+                reply_to none;
+                sender @bound_4001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_4000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_4070 "Delete without reply" id "21c0fe00-0000-4000-8000-000000000fe6" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_4002;
+                reply_to none;
+                sender @bound_4001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_4081;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_4080 "Delete or keep alive" id "21c0fe00-0000-4000-8000-000000000ff0" {
+        body {
+            Fragment {
+                operator Alternative;
+                branches [@bound_4081, @bound_4082];
+            };
+        };
+        description "";
+        parent @bound_4000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_4081 "Delete path" id "21c0fe00-0000-4000-8000-000000000ff1" {
+        body {
+            Branch {
+                guard "shutdown";
+                occurrences [@bound_4070];
+            };
+        };
+        description "";
+        parent @bound_4080;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_4082 "Open path" id "21c0fe00-0000-4000-8000-000000000ff2" {
+        body {
+            Branch {
+                guard "continue";
+                occurrences [];
+            };
+        };
+        description "";
+        parent @bound_4080;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_scenario bound_5000 "SA 5 Death and incomplete reply" id "21c0fe00-0000-4000-8000-000000001388" {
+        context none;
+        description "Native lifecycle union acceptance fixture; completeness warnings are intentional.";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@bound_5040, @bound_5070, @bound_5050];
+        viewpoint BoundaryInterface;
+    }
+
+    sa_lifeline bound_5001 "L1 Requester" id "21c0fe00-0000-4000-8000-000000001389" {
+        description "";
+        parent @bound_5000;
+        represented @bound_200;
+    }
+
+    sa_lifeline bound_5002 "L2 Terminated service" id "21c0fe00-0000-4000-8000-00000000138a" {
+        description "";
+        parent @bound_5000;
+        represented @bound_201;
+    }
+
+    sa_occurrence bound_5040 "Unanswered call" id "21c0fe00-0000-4000-8000-0000000013b0" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Call;
+                receiver @bound_5002;
+                reply_to none;
+                sender @bound_5001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_5000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_5050 "Incomplete reply — no sender" id "21c0fe00-0000-4000-8000-0000000013ba" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Reply;
+                receiver @bound_5001;
+                reply_to @bound_5040;
+                sender none;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_5000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_5070 "Delete service" id "21c0fe00-0000-4000-8000-0000000013ce" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_5002;
+                reply_to none;
+                sender @bound_5001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_5000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_scenario bound_6000 "SA 6 Unresolved lifetime, visible cue" id "21c0fe00-0000-4000-8000-000000001770" {
+        context none;
+        description "Native lifecycle union acceptance fixture; completeness warnings are intentional.";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@bound_6080];
+        viewpoint BoundaryInterface;
+    }
+
+    sa_lifeline bound_6001 "L1 Requester" id "21c0fe00-0000-4000-8000-000000001771" {
+        description "";
+        parent @bound_6000;
+        represented @bound_200;
+    }
+
+    sa_lifeline bound_6002 "L2 Unresolved service" id "21c0fe00-0000-4000-8000-000000001772" {
+        description "";
+        parent @bound_6000;
+        represented @bound_201;
+    }
+
+    sa_occurrence bound_6005 "Create service" id "21c0fe00-0000-4000-8000-000000001775" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Create;
+                receiver @bound_6002;
+                reply_to none;
+                sender @bound_6001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_6081;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_6040 "Call with unresolved lifetime" id "21c0fe00-0000-4000-8000-000000001798" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Call;
+                receiver @bound_6002;
+                reply_to none;
+                sender @bound_6001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_6082;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_6080 "Birth is path dependent" id "21c0fe00-0000-4000-8000-0000000017c0" {
+        body {
+            Fragment {
+                operator Alternative;
+                branches [@bound_6081, @bound_6082];
+            };
+        };
+        description "";
+        parent @bound_6000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_6081 "Create path" id "21c0fe00-0000-4000-8000-0000000017c1" {
+        body {
+            Branch {
+                guard "start new";
+                occurrences [@bound_6005];
+            };
+        };
+        description "";
+        parent @bound_6080;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_6082 "Call path" id "21c0fe00-0000-4000-8000-0000000017c2" {
+        body {
+            Branch {
+                guard "use existing";
+                occurrences [@bound_6040];
+            };
+        };
+        description "";
+        parent @bound_6080;
+        postcondition "";
+        precondition "";
+    }
+}
+
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/preflight.rs b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/preflight.rs
new file mode 100644
index 00000000..a9f65d37
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/lifecycle-navigation-saved-440/tree/preflight.rs
@@ -0,0 +1,116 @@
+//! Source-only preflight; parent compiles/runs this against its exact oa-core.
+//! Usage: preflight.exe PATH_TO_lifecycle-native.arcadia
+use oa_core::{operations, source_project, validation, *};
+use std::collections::BTreeMap;
+
+fn id(n: u128) -> Id {
+    Id::from_u128(0x21c0fe00000040008000000000000000 + n)
+}
+fn main() {
+    let args: Vec<_> = std::env::args().collect();
+    assert_eq!(args.len(), 2, "Pass the prepared source file");
+    let source = std::fs::read_to_string(&args[1]).unwrap();
+    let p = language::parse(&source).expect("Prepared source must parse through actual core");
+    let issues = validation::validate(&p);
+    let errors: Vec<_> = issues
+        .iter()
+        .filter(|issue| issue.severity == validation::Severity::Error)
+        .collect();
+    assert!(errors.is_empty(), "Fixture admission failed: {errors:#?}");
+    validate_candidate(&p).expect("Ordinary command admission must accept the whole Project");
+    let bundle = source_project::SourceBundle {
+        entry: "lifecycle-native.arcadia".into(),
+        files: BTreeMap::from([("lifecycle-native.arcadia".into(), source.clone())]),
+    };
+    let compiled = source_project::compile_bundle(&bundle, Default::default())
+        .expect("Use the actual source-project admission path");
+    assert_eq!(
+        compiled.bundle, bundle,
+        "Keep comments, Unicode and all explicit IDs byte-for-byte"
+    );
+    assert_eq!(compiled.decoded.project, p);
+    let canonical = language::format(&p);
+    let reparsed = language::parse(&canonical).unwrap();
+    assert_eq!(
+        reparsed, p,
+        "Compare the entire Project, not selected elements"
+    );
+    assert_eq!(language::format(&reparsed), canonical);
+    assert_eq!(p.elements.len(), 61);
+    assert_eq!(p.relations.len(), 5);
+    for (owner, steps) in [
+        (1000, vec![1005, 1040, 1030, 1060, 1050, 1070]),
+        (2000, vec![2005, 2040, 2030, 2060, 2050, 2070]),
+        (3000, vec![3010, 3020, 3040, 3050, 3070]),
+        (4000, vec![4040, 4080]),
+        (5000, vec![5040, 5070, 5050]),
+        (6000, vec![6080]),
+    ] {
+        assert_eq!(
+            p.elements[&id(owner)].steps().unwrap(),
+            &steps.into_iter().map(id).collect::<Vec<_>>()
+        );
+    }
+    for base in [1000, 2000] {
+        for (offset, call, expression) in [
+            (40, 40, "420.0"),
+            (30, 30, "380.0"),
+            (60, 30, "378.0"),
+            (50, 40, "418.0"),
+        ] {
+            let occurrence = id(base + offset);
+            let Some(SharedBody::Occurrence {
+                body: OccurrenceBody::Exchange { values, .. },
+                ..
+            }) = p.elements[&occurrence].shared()
+            else {
+                panic!("Expected an exchange occurrence")
+            };
+            assert_eq!(values.len(), 1);
+            assert_eq!(values[0].expression, expression);
+            if base == 2000 {
+                let operations::OperationResolution::Selected(proof) =
+                    operations::resolve(&p, occurrence).unwrap()
+                else {
+                    panic!("SA pressure operation must remain actually bound")
+                };
+                assert_eq!(proof.invocation, id(base + call));
+                assert_eq!(proof.allocation, id(220));
+                assert_eq!(proof.caller_port, id(202));
+                assert_eq!(proof.provider_port, id(203));
+            } else {
+                assert_eq!(
+                    operations::resolve(&p, occurrence).unwrap(),
+                    operations::OperationResolution::Ordinary
+                );
+            }
+        }
+    }
+    let Some(SharedBody::Occurrence {
+        body:
+            OccurrenceBody::Exchange {
+                sender,
+                receiver,
+                reply_to,
+                ..
+            },
+        ..
+    }) = p.elements[&id(5050)].shared()
+    else {
+        panic!("Expected incomplete reply")
+    };
+    assert_eq!(
+        (*sender, *receiver, *reply_to),
+        (None, Some(id(5001)), Some(id(5040)))
+    );
+    for issue in &issues {
+        println!(
+            "{:?} {} {:?}: {}",
+            issue.severity, issue.code, issue.element, issue.message
+        );
+    }
+    println!(
+        "PASS: six scenarios,61 elements,5 relations,zero Errors,{} warnings; exact source bundle and whole-Project roundtrip; bound OA values and SA operation proofs preserved",
+        issues.len()
+    );
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/checkpoint.json
new file mode 100644
index 00000000..1f12f347
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/checkpoint.json
@@ -0,0 +1,266 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T08:34:02.344952+00:00",
+  "fixture": "source",
+  "label": "cancel-saved-440",
+  "mode": "same",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "before": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "after": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "exact_baseline_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-source-cancel-saved-440",
+      "same",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\project.arcadia"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-cancel-saved-440",
+    "receipt": {
+      "bytes": 8363,
+      "sha256": "4c912daa2670ec850aad381819b11379f55959bd23830dffc1e872a11686ade1"
+    }
+  },
+  "final_work": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-example-preparation.json": {
+      "bytes": 2458,
+      "sha256": "d57250523090b40b81c07409fef99028d25903903d88a08d79842c6361d32c69"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T08:34:08.746301+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..58ae5640
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,26 @@
+PASS same: complete Project and exact SourceBundle restored
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-cancel-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-cancel-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/oracle-run.json
new file mode 100644
index 00000000..01a8c13b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/oracle-run.json
@@ -0,0 +1,128 @@
+{
+  "start": "2026-09-13T08:34:05.845289+00:00",
+  "end": "2026-09-13T08:34:08.336851+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "same",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\project.arcadia"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\reporting.arcadia": {
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-cancel-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-cancel-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-cancel-saved-440\\stderr.log",
+    "bytes": 12137,
+    "sha256": "57eb16b6c92887403037a549eea52d37dcf27dae4446b0ef5b774c3ba5b9997f"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/reporting.arcadia
new file mode 100644
index 00000000..a413d9ee
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/views.arcadia
new file mode 100644
index 00000000..62d9b5cb
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-cancel-saved-440/tree/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/checkpoint.json
new file mode 100644
index 00000000..3a5ba1d4
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/checkpoint.json
@@ -0,0 +1,303 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T09:16:58.620015+00:00",
+  "fixture": "source",
+  "label": "final-source-saved-440",
+  "mode": "renamed",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [
+      "sa"
+    ],
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+  },
+  "independent_expected": {
+    "directories": [
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+    ],
+    "files": {
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+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
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+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
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+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
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+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
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+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
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+      "views.arcadia": {
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+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "exact_independent_rename_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-source-final-source-saved-440",
+      "renamed",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\project.arcadia",
+      "00000000-0000-4000-8000-000000000403",
+      "assess_report_union"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-final-source-saved-440",
+    "receipt": {
+      "bytes": 8534,
+      "sha256": "eae48d98fece64655765415ca3bffe4f29c1a0910513701789513e675a054bba"
+    }
+  },
+  "final_work": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
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+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
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+      },
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+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
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+      },
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+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
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+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [
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+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
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+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
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+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
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+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
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+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-example-preparation.json": {
+      "bytes": 2458,
+      "sha256": "d57250523090b40b81c07409fef99028d25903903d88a08d79842c6361d32c69"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-rename-expected\\intent.json": {
+      "bytes": 3086,
+      "sha256": "e15b26cda4e282643eb098d9ada6b0b2ade387957d5b7a49a67e28b78a05c88a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T09:17:08.514745+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..9eb6721e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,26 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-final-source-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-final-source-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/oracle-run.json
new file mode 100644
index 00000000..1b50c61f
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/oracle-run.json
@@ -0,0 +1,130 @@
+{
+  "start": "2026-09-13T09:17:02.644579+00:00",
+  "end": "2026-09-13T09:17:07.153705+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "renamed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\project.arcadia",
+    "00000000-0000-4000-8000-000000000403",
+    "assess_report_union"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia": {
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia": {
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\views.arcadia": {
+      "bytes": 3520,
+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\sa\\reporting.arcadia": {
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-final-source-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-final-source-saved-440\\stdout.log",
+    "bytes": 142,
+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-final-source-saved-440\\stderr.log",
+    "bytes": 12203,
+    "sha256": "9828ab62ab986188a6b52dd796d53129dc2ed70926ab274f07a3feaf2e3ef4d9"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/rename-intent.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/rename-intent.json
new file mode 100644
index 00000000..eb2ace7c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/rename-intent.json
@@ -0,0 +1,113 @@
+{
+  "scope": "Independent six fixed byte-token edits only; no core parser/updater or GUI execution.",
+  "baseline": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+  "target_uuid": "00000000-0000-4000-8000-000000000403",
+  "inputs": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    }
+  ],
+  "edits": [
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 694,
+      "end": 707,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2097,
+      "end": 2110,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2280,
+      "end": 2293,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 3015,
+      "end": 3028,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 2019,
+      "end": 2032,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 3054,
+      "end": 3067,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    }
+  ],
+  "expected": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3520,
+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    }
+  ]
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/reporting.arcadia
new file mode 100644
index 00000000..fd52ba73
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report_union "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report_union;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report_union; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report_union; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/views.arcadia
new file mode 100644
index 00000000..c7daeb59
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-final-source-saved-440/tree/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report_union;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report_union;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/checkpoint.json
new file mode 100644
index 00000000..9f95f7b2
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/checkpoint.json
@@ -0,0 +1,303 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T08:58:47.920893+00:00",
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+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-example-preparation.json": {
+      "bytes": 2458,
+      "sha256": "d57250523090b40b81c07409fef99028d25903903d88a08d79842c6361d32c69"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-rename-expected\\intent.json": {
+      "bytes": 3086,
+      "sha256": "e15b26cda4e282643eb098d9ada6b0b2ade387957d5b7a49a67e28b78a05c88a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T08:58:57.515470+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..0d3ef461
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,26 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-navigation-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-navigation-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/oracle-run.json
new file mode 100644
index 00000000..f97c211e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/oracle-run.json
@@ -0,0 +1,130 @@
+{
+  "start": "2026-09-13T08:58:51.961904+00:00",
+  "end": "2026-09-13T08:58:56.112327+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "renamed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\project.arcadia",
+    "00000000-0000-4000-8000-000000000403",
+    "assess_report_union"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
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+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
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+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
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+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
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+    },
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+    },
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\participants.arcadia": {
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+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\reporting.arcadia": {
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+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-navigation-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
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+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-navigation-saved-440\\stdout.log",
+    "bytes": 142,
+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-navigation-saved-440\\stderr.log",
+    "bytes": 12181,
+    "sha256": "6a80e482f30e2ca20f1a704096c26a0cfcc0eeb5b644151536289d34ff0af2b5"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/rename-intent.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/rename-intent.json
new file mode 100644
index 00000000..eb2ace7c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/rename-intent.json
@@ -0,0 +1,113 @@
+{
+  "scope": "Independent six fixed byte-token edits only; no core parser/updater or GUI execution.",
+  "baseline": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+  "target_uuid": "00000000-0000-4000-8000-000000000403",
+  "inputs": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    }
+  ],
+  "edits": [
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 694,
+      "end": 707,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2097,
+      "end": 2110,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2280,
+      "end": 2293,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 3015,
+      "end": 3028,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 2019,
+      "end": 2032,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 3054,
+      "end": 3067,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    }
+  ],
+  "expected": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3520,
+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    }
+  ]
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/reporting.arcadia
new file mode 100644
index 00000000..fd52ba73
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report_union "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report_union;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report_union; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report_union; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/views.arcadia
new file mode 100644
index 00000000..c7daeb59
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-navigation-saved-440/tree/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report_union;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report_union;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/checkpoint.json
new file mode 100644
index 00000000..176ef67a
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/checkpoint.json
@@ -0,0 +1,303 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T08:39:49.586176+00:00",
+  "fixture": "source",
+  "label": "redo-saved-440",
+  "mode": "renamed",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "before": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "after": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "independent_expected": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "exact_independent_rename_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-source-redo-saved-440",
+      "renamed",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\project.arcadia",
+      "00000000-0000-4000-8000-000000000403",
+      "assess_report_union"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-redo-saved-440",
+    "receipt": {
+      "bytes": 8406,
+      "sha256": "d58940684a7d9ae1265320df4e86de2392f949fb2a78a5a838d53ce1226cab04"
+    }
+  },
+  "final_work": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-example-preparation.json": {
+      "bytes": 2458,
+      "sha256": "d57250523090b40b81c07409fef99028d25903903d88a08d79842c6361d32c69"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-rename-expected\\intent.json": {
+      "bytes": 3086,
+      "sha256": "e15b26cda4e282643eb098d9ada6b0b2ade387957d5b7a49a67e28b78a05c88a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T08:40:08.509834+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..6a0627d7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,26 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-redo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-redo-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/oracle-run.json
new file mode 100644
index 00000000..22d49c07
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/oracle-run.json
@@ -0,0 +1,130 @@
+{
+  "start": "2026-09-13T08:40:02.553564+00:00",
+  "end": "2026-09-13T08:40:07.768119+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "renamed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\project.arcadia",
+    "00000000-0000-4000-8000-000000000403",
+    "assess_report_union"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
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+    },
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+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia": {
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+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia": {
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+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia": {
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+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia": {
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+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
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+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\views.arcadia": {
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+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    },
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+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\reporting.arcadia": {
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+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-redo-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-redo-saved-440\\stdout.log",
+    "bytes": 142,
+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-redo-saved-440\\stderr.log",
+    "bytes": 12115,
+    "sha256": "b2191a0485dfa42e90e5cda013512a5aade91e02aa4cf8a0545c7ff3a08c1315"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/rename-intent.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/rename-intent.json
new file mode 100644
index 00000000..eb2ace7c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/rename-intent.json
@@ -0,0 +1,113 @@
+{
+  "scope": "Independent six fixed byte-token edits only; no core parser/updater or GUI execution.",
+  "baseline": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+  "target_uuid": "00000000-0000-4000-8000-000000000403",
+  "inputs": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    }
+  ],
+  "edits": [
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 694,
+      "end": 707,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2097,
+      "end": 2110,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2280,
+      "end": 2293,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 3015,
+      "end": 3028,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 2019,
+      "end": 2032,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 3054,
+      "end": 3067,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    }
+  ],
+  "expected": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3520,
+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    }
+  ]
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/reporting.arcadia
new file mode 100644
index 00000000..fd52ba73
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report_union "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report_union;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report_union; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report_union; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/views.arcadia
new file mode 100644
index 00000000..c7daeb59
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-redo-saved-440/tree/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report_union;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report_union;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/checkpoint.json
new file mode 100644
index 00000000..51010357
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/checkpoint.json
@@ -0,0 +1,303 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T08:36:00.462398+00:00",
+  "fixture": "source",
+  "label": "rename-saved-440",
+  "mode": "renamed",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "before": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "after": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "independent_expected": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "exact_independent_rename_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-source-rename-saved-440",
+      "renamed",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\project.arcadia",
+      "00000000-0000-4000-8000-000000000403",
+      "assess_report_union"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-rename-saved-440",
+    "receipt": {
+      "bytes": 8438,
+      "sha256": "9d7c7e6f2016e2afc565eb1f0cba30de06b8872612d2b81920ccd1575510cd17"
+    }
+  },
+  "final_work": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-example-preparation.json": {
+      "bytes": 2458,
+      "sha256": "d57250523090b40b81c07409fef99028d25903903d88a08d79842c6361d32c69"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-rename-expected\\intent.json": {
+      "bytes": 3086,
+      "sha256": "e15b26cda4e282643eb098d9ada6b0b2ade387957d5b7a49a67e28b78a05c88a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T08:36:08.226480+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..867f72ca
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,26 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-rename-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-rename-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/oracle-run.json
new file mode 100644
index 00000000..ffead146
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/oracle-run.json
@@ -0,0 +1,130 @@
+{
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+  "end": "2026-09-13T08:36:07.642573+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "renamed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\project.arcadia",
+    "00000000-0000-4000-8000-000000000403",
+    "assess_report_union"
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+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
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+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
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+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia": {
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia": {
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia": {
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+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia": {
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+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\project.arcadia": {
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+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\views.arcadia": {
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+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\reporting.arcadia": {
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+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-rename-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
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+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-rename-saved-440\\stdout.log",
+    "bytes": 142,
+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-rename-saved-440\\stderr.log",
+    "bytes": 12137,
+    "sha256": "f5a48eebe995f1fd520a3d2f5583af77a5258c678b2a81c4695853281db37882"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/rename-intent.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/rename-intent.json
new file mode 100644
index 00000000..eb2ace7c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/rename-intent.json
@@ -0,0 +1,113 @@
+{
+  "scope": "Independent six fixed byte-token edits only; no core parser/updater or GUI execution.",
+  "baseline": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+  "target_uuid": "00000000-0000-4000-8000-000000000403",
+  "inputs": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    }
+  ],
+  "edits": [
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 694,
+      "end": 707,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2097,
+      "end": 2110,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
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+      "end": 2293,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 3015,
+      "end": 3028,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 2019,
+      "end": 2032,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 3054,
+      "end": 3067,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    }
+  ],
+  "expected": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3520,
+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    }
+  ]
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/reporting.arcadia
new file mode 100644
index 00000000..fd52ba73
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report_union "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report_union;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report_union; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report_union; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/views.arcadia
new file mode 100644
index 00000000..c7daeb59
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-rename-saved-440/tree/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report_union;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report_union;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/checkpoint.json
new file mode 100644
index 00000000..6ff49630
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/checkpoint.json
@@ -0,0 +1,303 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T08:49:08.227593+00:00",
+  "fixture": "source",
+  "label": "reopened-saved-440",
+  "mode": "renamed",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
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+      "sa"
+    ],
+    "files": {
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+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "exact_independent_rename_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-source-reopened-saved-440",
+      "renamed",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\project.arcadia",
+      "00000000-0000-4000-8000-000000000403",
+      "assess_report_union"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-reopened-saved-440",
+    "receipt": {
+      "bytes": 8470,
+      "sha256": "6676bee1719d64c7a5ab4db6c9ed2d1aa9d598abf4eba81a1b6b80cdb9946ee3"
+    }
+  },
+  "final_work": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3085,
+        "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+      },
+      "views.arcadia": {
+        "bytes": 3520,
+        "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-example-preparation.json": {
+      "bytes": 2458,
+      "sha256": "d57250523090b40b81c07409fef99028d25903903d88a08d79842c6361d32c69"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-rename-expected\\intent.json": {
+      "bytes": 3086,
+      "sha256": "e15b26cda4e282643eb098d9ada6b0b2ade387957d5b7a49a67e28b78a05c88a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T08:49:15.699425+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..2c9f5fb7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,26 @@
+PASS renamed 00000000-0000-4000-8000-000000000403 to assess_report_union: complete baseline-derived alias-only Project and exact SourceBundle
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1655, end: 1666 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1040 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1707, end: 1816 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-reopened-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2126, end: 2367 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-reopened-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/oracle-run.json
new file mode 100644
index 00000000..47aa6418
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/oracle-run.json
@@ -0,0 +1,130 @@
+{
+  "start": "2026-09-13T08:49:11.535988+00:00",
+  "end": "2026-09-13T08:49:14.805904+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "renamed",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\project.arcadia",
+    "00000000-0000-4000-8000-000000000403",
+    "assess_report_union"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia": {
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia": {
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\oa.arcadia": {
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\project.arcadia": {
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\views.arcadia": {
+      "bytes": 3520,
+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\sa\\assurance.arcadia": {
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\sa\\participants.arcadia": {
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\sa\\reporting.arcadia": {
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-reopened-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-reopened-saved-440\\stdout.log",
+    "bytes": 142,
+    "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-reopened-saved-440\\stderr.log",
+    "bytes": 12159,
+    "sha256": "a6594157a2b98cf05ae63dbc8e786e56e8b939d40bd26420e48b73733eea4a5d"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/rename-intent.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/rename-intent.json
new file mode 100644
index 00000000..eb2ace7c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/rename-intent.json
@@ -0,0 +1,113 @@
+{
+  "scope": "Independent six fixed byte-token edits only; no core parser/updater or GUI execution.",
+  "baseline": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+  "target_uuid": "00000000-0000-4000-8000-000000000403",
+  "inputs": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    }
+  ],
+  "edits": [
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 694,
+      "end": 707,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2097,
+      "end": 2110,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2280,
+      "end": 2293,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 3015,
+      "end": 3028,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 2019,
+      "end": 2032,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 3054,
+      "end": 3067,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    }
+  ],
+  "expected": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3520,
+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    }
+  ]
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/reporting.arcadia
new file mode 100644
index 00000000..fd52ba73
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report_union "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report_union;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report_union; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report_union; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/views.arcadia
new file mode 100644
index 00000000..c7daeb59
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-reopened-saved-440/tree/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report_union;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report_union;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/checkpoint.json
new file mode 100644
index 00000000..776b59e5
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/checkpoint.json
@@ -0,0 +1,266 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T08:37:47.959081+00:00",
+  "fixture": "source",
+  "label": "undo-saved-440",
+  "mode": "same",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "before": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "after": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "exact_baseline_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-source-undo-saved-440",
+      "same",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\project.arcadia"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-undo-saved-440",
+    "receipt": {
+      "bytes": 8331,
+      "sha256": "425a4f4f0a95f22ba42e16745ad564c69d52d547fb3586d04939d0c5c5cbab12"
+    }
+  },
+  "final_work": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [
+      "sa"
+    ],
+    "files": {
+      "oa.arcadia": {
+        "bytes": 2364,
+        "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+      },
+      "project.arcadia": {
+        "bytes": 606,
+        "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+      },
+      "sa/assurance.arcadia": {
+        "bytes": 682,
+        "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+      },
+      "sa/participants.arcadia": {
+        "bytes": 1231,
+        "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+      },
+      "sa/reporting.arcadia": {
+        "bytes": 3061,
+        "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+      },
+      "views.arcadia": {
+        "bytes": 3508,
+        "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-example-preparation.json": {
+      "bytes": 2458,
+      "sha256": "d57250523090b40b81c07409fef99028d25903903d88a08d79842c6361d32c69"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T08:37:56.085489+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..6f7abff9
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,26 @@
+PASS same: complete Project and exact SourceBundle restored
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\source-baseline\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000107), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1598, end: 1609 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unspecified_exchange_mechanism", object_id: Some(00000000-0000-4000-8000-000000000406), field: Some("mechanism"), line: 34, column: 15, message: "Choose the exchange mechanism when its contract is known.", span: Span { start: 1649, end: 1660 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000104), field: None, line: 12, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 695, end: 869 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000105), field: None, line: 15, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 874, end: 1053 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000106), field: None, line: 20, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1057, end: 1150 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000402), field: None, line: 4, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 255, end: 596 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000403), field: None, line: 11, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 682, end: 1034 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "capability_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000408), field: None, line: 38, column: 1, message: "Add an explicit behavior context: link a process/chain with Chain involvement, or set a scenario's Context to this capability.", span: Span { start: 1701, end: 1810 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/assurance.arcadia", diagnostic: Diagnostic { severity: Warning, code: "work_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000412), field: None, line: 5, column: 5, message: "Include this leaf activity/function in a process/chain or scenario through a work action or exchange occurrence.", span: Span { start: 341, end: 521 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "oa.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000203), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2019, end: 2189 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\source-undo-saved-440\tree\project.arcadia: SourceDiagnostic { path: "sa/reporting.arcadia", diagnostic: Diagnostic { severity: Warning, code: "exchange_without_behavior_context", object_id: Some(00000000-0000-4000-8000-000000000505), field: None, line: 46, column: 1, message: "Use this exchange in a process/chain or scenario.", span: Span { start: 2114, end: 2349 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-undo-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/oracle-run.json
new file mode 100644
index 00000000..c2214502
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/oracle-run.json
@@ -0,0 +1,128 @@
+{
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+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "same",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
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+  ],
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+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
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+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
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+    },
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+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    }
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+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline\\views.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\oa.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\sa\\assurance.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\sa\\participants.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\sa\\reporting.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\source-undo-saved-440\\tree\\views.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-undo-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-source-undo-saved-440\\stderr.log",
+    "bytes": 12115,
+    "sha256": "16f97f84f5609a083ee0a6af7a270f4db59986b0aaf10a2e7ff1112edc6e92e6"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/reporting.arcadia
new file mode 100644
index 00000000..a413d9ee
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/views.arcadia
new file mode 100644
index 00000000..62d9b5cb
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/source-undo-saved-440/tree/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/checkpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/checkpoint.json
new file mode 100644
index 00000000..ae5e8afb
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/checkpoint.json
@@ -0,0 +1,140 @@
+{
+  "status": "PASS",
+  "started": "2026-09-13T10:19:43.596923+00:00",
+  "fixture": "topology",
+  "label": "navigation-final-saved-440",
+  "mode": "same",
+  "work": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-work",
+  "baseline_entry": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\project.arcadia",
+  "helper": {
+    "bytes": 10194,
+    "sha256": "dcc60080014dc6bb74353f6224a5eedbfd7ddf82da83014fea9bf200b3d652f1"
+  },
+  "scope": "Saved disk snapshot and optional comparator only; native actions are separate.",
+  "baseline_before": {
+    "directories": [],
+    "files": {
+      "project.arcadia": {
+        "bytes": 13616,
+        "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+      },
+      "rationale.arcadia": {
+        "bytes": 59,
+        "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+      }
+    }
+  },
+  "before": {
+    "directories": [],
+    "files": {
+      "project.arcadia": {
+        "bytes": 13616,
+        "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+      },
+      "rationale.arcadia": {
+        "bytes": 59,
+        "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+      }
+    }
+  },
+  "copy": {
+    "directories": [],
+    "files": {
+      "project.arcadia": {
+        "bytes": 13616,
+        "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+      },
+      "rationale.arcadia": {
+        "bytes": 59,
+        "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+      }
+    }
+  },
+  "after": {
+    "directories": [],
+    "files": {
+      "project.arcadia": {
+        "bytes": 13616,
+        "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+      },
+      "rationale.arcadia": {
+        "bytes": 59,
+        "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+      }
+    }
+  },
+  "exact_baseline_bytes": true,
+  "oracle": {
+    "command": [
+      "C:\\Users\\User\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe",
+      "-B",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+      "checkpoint-topology-navigation-final-saved-440",
+      "same",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\project.arcadia",
+      "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\project.arcadia"
+    ],
+    "exit": 0,
+    "directory": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-topology-navigation-final-saved-440",
+    "receipt": {
+      "bytes": 5033,
+      "sha256": "3cc8a7138884594c72b01fc8a28d837c73c569144cdd59d26a5f10cc597be7ef"
+    }
+  },
+  "final_work": {
+    "directories": [],
+    "files": {
+      "project.arcadia": {
+        "bytes": 13616,
+        "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+      },
+      "rationale.arcadia": {
+        "bytes": 59,
+        "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+      }
+    }
+  },
+  "final_baseline": {
+    "directories": [],
+    "files": {
+      "project.arcadia": {
+        "bytes": 13616,
+        "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+      },
+      "rationale.arcadia": {
+        "bytes": 59,
+        "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+      }
+    }
+  },
+  "final_copy": {
+    "directories": [],
+    "files": {
+      "project.arcadia": {
+        "bytes": 13616,
+        "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+      },
+      "rationale.arcadia": {
+        "bytes": 59,
+        "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+      }
+    }
+  },
+  "inputs_unchanged": true,
+  "watched_inputs": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\preparation.json": {
+      "bytes": 4701,
+      "sha256": "4ede523041af6367571e866f8d50d07befd12bbe8e96bf0c6a60230b58d6e156"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\run-navigation-palette-oracle.py": {
+      "bytes": 5078,
+      "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    }
+  },
+  "finished": "2026-09-13T10:19:46.744047+00:00"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/oracle-launch.stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/oracle-launch.stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/oracle-launch.stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/oracle-launch.stdout.log
new file mode 100644
index 00000000..e0523639
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/oracle-launch.stdout.log
@@ -0,0 +1,44 @@
+PASS same: complete Project and exact SourceBundle restored
+
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(071edc32-5c27-5c1d-91ff-337c80b462d5), field: Some("allocation"), line: 6, column: 5, message: "Allocate leaf 'A � Begin assessment' to a performer.", span: Span { start: 190, end: 330 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_starts", object_id: Some(2100ac23-79ee-54e1-b3cf-69f3d4f3b30a), field: Some("steps"), line: 65, column: 15, message: "Process/chain 'Caller with three assessments' has 4 start contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 1796, end: 1827 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_ends", object_id: Some(2100ac23-79ee-54e1-b3cf-69f3d4f3b30a), field: Some("steps"), line: 65, column: 15, message: "Process/chain 'Caller with three assessments' has 4 end contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 1796, end: 1827 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(08ff2083-dac1-5f4b-ad6a-7cc81d7be29d), field: Some("parent"), line: 19, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 593, end: 603 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(d48951ad-c6db-5eae-923a-edccab97155e), field: Some("parent"), line: 333, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 9505, end: 9515 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(1e27be58-3e3e-5869-ad30-e94a28ea2a2e), field: Some("parent"), line: 57, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 1566, end: 1576 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(fc986c5c-eae7-5363-bcd5-b832d565a89a), field: Some("parent"), line: 406, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 11490, end: 11500 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(25fdfe13-c45d-5822-830a-192ff13f660d), field: Some("allocation"), line: 68, column: 5, message: "Allocate leaf 'A � Begin assessment' to a performer.", span: Span { start: 1840, end: 1980 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(3360ccb1-68ac-51cd-8d9a-8893000c80ef), field: Some("allocation"), line: 79, column: 5, message: "Allocate leaf 'B � Review assessment' to a performer.", span: Span { start: 2173, end: 2314 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(47335738-0876-5f90-b25e-1636c7448e93), field: Some("allocation"), line: 84, column: 5, message: "Allocate leaf 'C � Finish assessment' to a performer.", span: Span { start: 2320, end: 2461 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(6575bce8-4185-519b-a004-d96650da63dc), field: Some("allocation"), line: 238, column: 5, message: "Allocate leaf 'C � Finish assessment' to a performer.", span: Span { start: 6742, end: 6883 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(8c3d9b89-aa12-5218-9de9-12b8b5d4e4b3), field: Some("allocation"), line: 249, column: 5, message: "Allocate leaf 'X � Check authorization' to a performer.", span: Span { start: 7085, end: 7228 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(a39639dc-0ece-5b71-981d-c9523fed4914), field: Some("allocation"), line: 266, column: 5, message: "Allocate leaf 'B � Review assessment' to a performer.", span: Span { start: 7544, end: 7685 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_starts", object_id: Some(d4911fd0-52ed-535c-9f87-170e8f5731d2), field: Some("steps"), line: 341, column: 15, message: "Process/chain 'Caller with three assessments' has 4 start contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 9744, end: 9775 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_ends", object_id: Some(d4911fd0-52ed-535c-9f87-170e8f5731d2), field: Some("steps"), line: 341, column: 15, message: "Process/chain 'Caller with three assessments' has 4 end contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 9744, end: 9775 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(53ad2109-ba9d-5859-b258-64cdaab5c4a8), field: Some("parent"), line: 221, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 6359, end: 6369 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(62cfdab1-a18b-5b06-8ee7-cd0b320e4024), field: Some("parent"), line: 233, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 6668, end: 6678 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(999b5e15-903f-5ca1-bc11-e51fadf80762), field: Some("parent"), line: 261, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 7470, end: 7480 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(4a65dad8-e2a1-51dc-87a0-02ea4ab69384), field: Some("parent"), line: 96, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 2711, end: 2721 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\topology-baseline\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(e78d841a-a37e-5106-8356-b1e3ce6d2501), field: Some("allocation"), line: 381, column: 5, message: "Allocate leaf 'X � Check authorization' to a performer.", span: Span { start: 10765, end: 10908 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(071edc32-5c27-5c1d-91ff-337c80b462d5), field: Some("allocation"), line: 6, column: 5, message: "Allocate leaf 'A � Begin assessment' to a performer.", span: Span { start: 190, end: 330 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_starts", object_id: Some(2100ac23-79ee-54e1-b3cf-69f3d4f3b30a), field: Some("steps"), line: 65, column: 15, message: "Process/chain 'Caller with three assessments' has 4 start contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 1796, end: 1827 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_ends", object_id: Some(2100ac23-79ee-54e1-b3cf-69f3d4f3b30a), field: Some("steps"), line: 65, column: 15, message: "Process/chain 'Caller with three assessments' has 4 end contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 1796, end: 1827 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(08ff2083-dac1-5f4b-ad6a-7cc81d7be29d), field: Some("parent"), line: 19, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 593, end: 603 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(d48951ad-c6db-5eae-923a-edccab97155e), field: Some("parent"), line: 333, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 9505, end: 9515 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(1e27be58-3e3e-5869-ad30-e94a28ea2a2e), field: Some("parent"), line: 57, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 1566, end: 1576 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(fc986c5c-eae7-5363-bcd5-b832d565a89a), field: Some("parent"), line: 406, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 11490, end: 11500 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(25fdfe13-c45d-5822-830a-192ff13f660d), field: Some("allocation"), line: 68, column: 5, message: "Allocate leaf 'A � Begin assessment' to a performer.", span: Span { start: 1840, end: 1980 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(3360ccb1-68ac-51cd-8d9a-8893000c80ef), field: Some("allocation"), line: 79, column: 5, message: "Allocate leaf 'B � Review assessment' to a performer.", span: Span { start: 2173, end: 2314 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(47335738-0876-5f90-b25e-1636c7448e93), field: Some("allocation"), line: 84, column: 5, message: "Allocate leaf 'C � Finish assessment' to a performer.", span: Span { start: 2320, end: 2461 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(6575bce8-4185-519b-a004-d96650da63dc), field: Some("allocation"), line: 238, column: 5, message: "Allocate leaf 'C � Finish assessment' to a performer.", span: Span { start: 6742, end: 6883 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(8c3d9b89-aa12-5218-9de9-12b8b5d4e4b3), field: Some("allocation"), line: 249, column: 5, message: "Allocate leaf 'X � Check authorization' to a performer.", span: Span { start: 7085, end: 7228 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(a39639dc-0ece-5b71-981d-c9523fed4914), field: Some("allocation"), line: 266, column: 5, message: "Allocate leaf 'B � Review assessment' to a performer.", span: Span { start: 7544, end: 7685 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_starts", object_id: Some(d4911fd0-52ed-535c-9f87-170e8f5731d2), field: Some("steps"), line: 341, column: 15, message: "Process/chain 'Caller with three assessments' has 4 start contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 9744, end: 9775 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "sequence_ends", object_id: Some(d4911fd0-52ed-535c-9f87-170e8f5731d2), field: Some("steps"), line: 341, column: 15, message: "Process/chain 'Caller with three assessments' has 4 end contributions; connect a clear entry/exit or review the intended independent paths.", span: Span { start: 9744, end: 9775 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(53ad2109-ba9d-5859-b258-64cdaab5c4a8), field: Some("parent"), line: 221, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 6359, end: 6369 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(62cfdab1-a18b-5b06-8ee7-cd0b320e4024), field: Some("parent"), line: 233, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 6668, end: 6678 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(999b5e15-903f-5ca1-bc11-e51fadf80762), field: Some("parent"), line: 261, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 7470, end: 7480 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "isolated_contribution", object_id: Some(4a65dad8-e2a1-51dc-87a0-02ea4ab69384), field: Some("parent"), line: 96, column: 16, message: "Connect this contribution to its process/chain path.", span: Span { start: 2711, end: 2721 } }, related: [] }
+Permitted non-error diagnostic in C:\Users\User\Documents\Git\ARCADIA-Studio\.local\native-qa\navigation-palette-20260913-01\checkpoints\topology-navigation-final-saved-440\tree\project.arcadia: SourceDiagnostic { path: "project.arcadia", diagnostic: Diagnostic { severity: Warning, code: "unallocated_leaf", object_id: Some(e78d841a-a37e-5106-8356-b1e3ce6d2501), field: Some("allocation"), line: 381, column: 5, message: "Allocate leaf 'X � Check authorization' to a performer.", span: Span { start: 10765, end: 10908 } }, related: [] }
+
+{"run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-topology-navigation-final-saved-440", "exit": 0, "outcome": "passed", "changed_inputs": []}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/oracle-run.json b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/oracle-run.json
new file mode 100644
index 00000000..bbe33ed4
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/oracle-run.json
@@ -0,0 +1,88 @@
+{
+  "start": "2026-09-13T10:19:45.493143+00:00",
+  "end": "2026-09-13T10:19:46.523590+00:00",
+  "source": "e1240295bd114d23d3f67a69e6b38bdb2e25bb0d",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe",
+    "same",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\project.arcadia",
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\project.arcadia"
+  ],
+  "exit": 0,
+  "outcome": "passed",
+  "failure": null,
+  "changed_inputs": [],
+  "inputs_unchanged": true,
+  "inputs_before": {
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\navigation-oracle-e124029.exe": {
+      "bytes": 21025792,
+      "sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\toolchain\\llvm-mingw-20260908-ucrt-x86_64\\bin\\libunwind.dll": {
+      "bytes": 190464,
+      "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json": {
+      "bytes": 7770,
+      "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\navigation-palette-gates-20260913\\list-e124029.inputs.json": {
+      "bytes": 107751,
+      "sha256": "a011170b83ddc0c835428c10b2079b0df02d2bd6f90167f16b1297c683601a87"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\project.arcadia": {
+      "bytes": 13616,
+      "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\rationale.arcadia": {
+      "bytes": 59,
+      "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\project.arcadia": {
+      "bytes": 13616,
+      "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+    },
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\rationale.arcadia": {
+      "bytes": 59,
+      "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+    }
+  },
+  "input_trees": [
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\topology-baseline\\rationale.arcadia"
+      ]
+    },
+    {
+      "folder": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree",
+      "paths": [
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\project.arcadia",
+        "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoints\\topology-navigation-final-saved-440\\tree\\rationale.arcadia"
+      ]
+    }
+  ],
+  "verified_core_inputs": 111,
+  "oracle_sha256": "8937a59a0e1c51619087b43ab059a6e9af3eef9d69dd2735601143ece3452ada",
+  "build": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-oracle-e124029\\build.json",
+    "bytes": 7770,
+    "sha256": "27ff0d612a5b9e4c378ae135745f266acfbf498af9f503d9e04f45ceed19a35a"
+  },
+  "launcher": {
+    "bytes": 5078,
+    "sha256": "b1d56ec226d7b6d5d5d1d00e4bc8727c016e44a6208831ea8d35ae142c097288"
+  },
+  "scope": "Actual comparator/preparer execution; native actions are separate.",
+  "stdout": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-topology-navigation-final-saved-440\\stdout.log",
+    "bytes": 60,
+    "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+  },
+  "stderr": {
+    "path": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\checkpoint-topology-navigation-final-saved-440\\stderr.log",
+    "bytes": 21324,
+    "sha256": "e0fe36483698fc77d12aeb4931c5632b0b67245695f1d902c7499d6fa68df8e1"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/tree/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/tree/project.arcadia
new file mode 100644
index 00000000..8500c46d
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/tree/project.arcadia
@@ -0,0 +1,477 @@
+arcadia 7;
+project source7_native_contract "Reusable procedures and operation identity" id "52060906-0000-4000-8000-000000000001" {
+    include "rationale.arcadia";
+    description "";
+
+    sa_function sa_work_a "A · Begin assessment" id "071edc32-5c27-5c1d-91ff-337c80b462d5" {
+        description "";
+        parent none;
+    }
+
+    oa_occurrence oa_x "X · Check authorization" id "08ff2083-dac1-5f4b-ad6a-7cc81d7be29d" {
+        body {
+            Action {
+                action @oa_work_x;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @oa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_a "A · Begin assessment" id "14d1133a-697d-5b54-b624-eed0fb04a354" {
+        body {
+            Action {
+                action @sa_work_a;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @sa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_c "C · Finish assessment" id "1a215aed-f0b1-521d-b52f-0c1cfbbf1c36" {
+        body {
+            Action {
+                action @sa_work_c;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @sa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence oa_r2 "Second assessment" id "1e27be58-3e3e-5869-ad30-e94a28ea2a2e" {
+        body {
+            SequenceReference {
+                sequence @oa_procedure;
+            };
+        };
+        description "";
+        parent @oa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_process oa_caller "Caller with three assessments" id "2100ac23-79ee-54e1-b3cf-69f3d4f3b30a" {
+        description "";
+        parent none;
+        steps [@oa_x, @oa_r1, @oa_r2, @oa_r3];
+    }
+
+    oa_activity oa_work_a "A · Begin assessment" id "25fdfe13-c45d-5822-830a-192ff13f660d" {
+        description "";
+        parent none;
+    }
+
+    oa_process oa_nested_definition "Nested assessment wrapper" id "273d8df8-83c8-5d75-99d1-59a7c9fdb705" {
+        description "";
+        parent none;
+        steps [@oa_inner];
+    }
+
+    sa_function sa_work_b "B · Review assessment" id "3360ccb1-68ac-51cd-8d9a-8893000c80ef" {
+        description "";
+        parent none;
+    }
+
+    oa_activity oa_work_c "C · Finish assessment" id "47335738-0876-5f90-b25e-1636c7448e93" {
+        description "";
+        parent none;
+    }
+
+    sa_occurrence sa_r3 "Nested assessment" id "4a65dad8-e2a1-51dc-87a0-02ea4ab69384" {
+        body {
+            SequenceReference {
+                sequence @sa_nested_definition;
+            };
+        };
+        description "";
+        parent @sa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_actor operation_probe_10 "Operator console" id "52060906-0000-4000-8000-00000000000a" {
+        description "";
+        parent none;
+    }
+
+    sa_system operation_probe_11 "Valve service" id "52060906-0000-4000-8000-00000000000b" {
+        description "";
+        parent none;
+    }
+
+    sa_port operation_probe_12 "Service socket" id "52060906-0000-4000-8000-00000000000c" {
+        contract {
+            Component {
+                kind Standard;
+                orientation Unset;
+            };
+        };
+        description "";
+        legacy none;
+        parent @operation_probe_10;
+    }
+
+    sa_port operation_probe_13 "Service socket" id "52060906-0000-4000-8000-00000000000d" {
+        contract {
+            Component {
+                kind Standard;
+                orientation Unset;
+            };
+        };
+        description "";
+        legacy none;
+        parent @operation_probe_11;
+    }
+
+    sa_exchange_item operation_probe_20 "Reset" id "52060906-0000-4000-8000-000000000014" {
+        description "";
+        kind Information;
+        mechanism Operation;
+        parent none;
+        supertype none;
+    }
+
+    sa_exchange_item operation_probe_21 "ReadStatus" id "52060906-0000-4000-8000-000000000015" {
+        description "";
+        kind Information;
+        mechanism Operation;
+        parent none;
+        supertype none;
+    }
+
+    sa_interface operation_probe_22 "Valve commands" id "52060906-0000-4000-8000-000000000016" {
+        description "";
+        parent none;
+        supertype none;
+    }
+
+    sa_scenario operation_probe_40 "Reset then read status" id "52060906-0000-4000-8000-000000000028" {
+        context none;
+        description "";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@operation_probe_43, @operation_probe_44, @reset_reply];
+        viewpoint BoundaryInterface;
+    }
+
+    sa_lifeline operation_probe_41 "Service participant" id "52060906-0000-4000-8000-000000000029" {
+        description "";
+        parent @operation_probe_40;
+        represented @operation_probe_10;
+    }
+
+    sa_lifeline operation_probe_42 "Service participant" id "52060906-0000-4000-8000-00000000002a" {
+        description "";
+        parent @operation_probe_40;
+        represented @operation_probe_11;
+    }
+
+    sa_occurrence operation_probe_43 "Call Reset" id "52060906-0000-4000-8000-00000000002b" {
+        body {
+            Exchange {
+                exchange @operation_probe_34;
+                message_kind Call;
+                receiver @operation_probe_42;
+                reply_to none;
+                sender @operation_probe_41;
+                values [];
+            };
+        };
+        description "";
+        parent @operation_probe_40;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence operation_probe_44 "Call ReadStatus" id "52060906-0000-4000-8000-00000000002c" {
+        body {
+            Exchange {
+                exchange @operation_probe_34;
+                message_kind Call;
+                receiver @operation_probe_42;
+                reply_to none;
+                sender @operation_probe_41;
+                values [];
+            };
+        };
+        description "";
+        parent @operation_probe_40;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_x "X · Check authorization" id "53ad2109-ba9d-5859-b258-64cdaab5c4a8" {
+        body {
+            Action {
+                action @sa_work_x;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @sa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_r1 "First assessment" id "62cfdab1-a18b-5b06-8ee7-cd0b320e4024" {
+        body {
+            SequenceReference {
+                sequence @sa_procedure;
+            };
+        };
+        description "";
+        parent @sa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_function sa_work_c "C · Finish assessment" id "6575bce8-4185-519b-a004-d96650da63dc" {
+        description "";
+        parent none;
+    }
+
+    sa_functional_chain sa_nested_definition "Nested assessment wrapper" id "7932ab3a-6b60-5059-a3a0-fca3a2f9a197" {
+        description "";
+        parent none;
+        steps [@sa_inner];
+    }
+
+    sa_function sa_work_x "X · Check authorization" id "8c3d9b89-aa12-5218-9de9-12b8b5d4e4b3" {
+        description "";
+        parent none;
+    }
+
+    sa_occurrence sa_r2 "Second assessment" id "999b5e15-903f-5ca1-bc11-e51fadf80762" {
+        body {
+            SequenceReference {
+                sequence @sa_procedure;
+            };
+        };
+        description "";
+        parent @sa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_activity oa_work_b "B · Review assessment" id "a39639dc-0ece-5b71-981d-c9523fed4914" {
+        description "";
+        parent none;
+    }
+
+    sa_occurrence reset_reply "Correlated reset reply" id "aa8b674f-012f-583f-8dc7-a76407d1f8a7" {
+        body {
+            Exchange {
+                exchange @operation_probe_34;
+                message_kind Reply;
+                receiver @operation_probe_41;
+                reply_to @operation_probe_43;
+                sender @operation_probe_42;
+                values [];
+            };
+        };
+        description "";
+        parent @operation_probe_40;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_process oa_procedure "Reusable assessment A to C" id "af139b27-7e42-5729-9e49-53b2ac62c9e7" {
+        description "";
+        parent none;
+        steps [@oa_a, @oa_b, @oa_c];
+    }
+
+    sa_occurrence sa_b "B · Review assessment" id "bf9ba00e-2aaa-5f04-9ba1-2c242d07b938" {
+        body {
+            Action {
+                action @sa_work_b;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @sa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_functional_chain sa_procedure "Reusable assessment A to C" id "c1d4eda2-fac7-5621-a7ac-25f985911bf5" {
+        description "";
+        parent none;
+        steps [@sa_a, @sa_b, @sa_c];
+    }
+
+    oa_occurrence oa_c "C · Finish assessment" id "c40c2011-4497-52f0-9e0e-10323b3150a8" {
+        body {
+            Action {
+                action @oa_work_c;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @oa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence oa_r1 "First assessment" id "d48951ad-c6db-5eae-923a-edccab97155e" {
+        body {
+            SequenceReference {
+                sequence @oa_procedure;
+            };
+        };
+        description "";
+        parent @oa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_functional_chain sa_caller "Caller with three assessments" id "d4911fd0-52ed-535c-9f87-170e8f5731d2" {
+        description "";
+        parent none;
+        steps [@sa_x, @sa_r1, @sa_r2, @sa_r3];
+    }
+
+    oa_occurrence oa_a "A · Begin assessment" id "dc17769b-7e1e-5f15-99bb-0caf98bcb006" {
+        body {
+            Action {
+                action @oa_work_a;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @oa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence oa_inner "Inner assessment" id "e16033cd-3184-56ef-b462-5559ad212c84" {
+        body {
+            SequenceReference {
+                sequence @oa_procedure;
+            };
+        };
+        description "";
+        parent @oa_nested_definition;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_inner "Inner assessment" id "e21febd2-30ec-5e9d-aa4c-3c54c95c2c9f" {
+        body {
+            SequenceReference {
+                sequence @sa_procedure;
+            };
+        };
+        description "";
+        parent @sa_nested_definition;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_activity oa_work_x "X · Check authorization" id "e78d841a-a37e-5106-8356-b1e3ce6d2501" {
+        description "";
+        parent none;
+    }
+
+    oa_occurrence oa_b "B · Review assessment" id "ef2a06af-6013-5f0b-a56d-db705f0685ce" {
+        body {
+            Action {
+                action @oa_work_b;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @oa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence oa_r3 "Nested assessment" id "fc986c5c-eae7-5363-bcd5-b832d565a89a" {
+        body {
+            SequenceReference {
+                sequence @oa_nested_definition;
+            };
+        };
+        description "";
+        parent @oa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sequence_link oa_a_then_b "a then b" id "0fc11ada-23a6-5f39-9891-e7f363a1edfb" {
+        description "";
+        guard "";
+        source @oa_a;
+        target @oa_b;
+    }
+
+    sequence_link oa_b_then_c "b then c" id "169f558e-a466-5fcc-b0d7-53e481952714" {
+        description "";
+        guard "";
+        source @oa_b;
+        target @oa_c;
+    }
+
+    interface_item_allocation operation_probe_30 "InterfaceItemAllocation 30" id "52060906-0000-4000-8000-00000000001e" {
+        acquisition Unspecified;
+        description "";
+        order 0;
+        source @operation_probe_22;
+        target @operation_probe_20;
+        transmission Synchronous;
+    }
+
+    interface_item_allocation operation_probe_31 "InterfaceItemAllocation 31" id "52060906-0000-4000-8000-00000000001f" {
+        acquisition Unspecified;
+        description "";
+        order 0;
+        source @operation_probe_22;
+        target @operation_probe_21;
+        transmission Synchronous;
+    }
+
+    interface_requirement operation_probe_32 "InterfaceRequirement 32" id "52060906-0000-4000-8000-000000000020" {
+        description "";
+        source @operation_probe_12;
+        target @operation_probe_22;
+    }
+
+    interface_provision operation_probe_33 "InterfaceProvision 33" id "52060906-0000-4000-8000-000000000021" {
+        description "";
+        source @operation_probe_13;
+        target @operation_probe_22;
+    }
+
+    boundary_exchange operation_probe_34 "BoundaryExchange 34" id "52060906-0000-4000-8000-000000000022" {
+        description "";
+        items [@operation_probe_20, @operation_probe_21];
+        oriented false;
+        source @operation_probe_12;
+        target @operation_probe_13;
+    }
+
+    sequence_link sa_a_then_b "a then b" id "661511e2-3604-5faf-9deb-f741925615bb" {
+        description "";
+        guard "";
+        source @sa_a;
+        target @sa_b;
+    }
+
+    sequence_link sa_b_then_c "b then c" id "aedc3e72-fd4b-5dcd-b9c1-ced7aee3e0d1" {
+        description "";
+        guard "";
+        source @sa_b;
+        target @sa_c;
+    }
+
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/tree/rationale.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/tree/rationale.arcadia
new file mode 100644
index 00000000..8945eece
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/checkpoints/topology-navigation-final-saved-440/tree/rationale.arcadia
@@ -0,0 +1 @@
+// Native oracle: retain this authored 雨 note and CRLF.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/closure.json b/harness/experiments/navigation-native-440-20260913/raw/trial/closure.json
new file mode 100644
index 00000000..c1d903bc
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/closure.json
@@ -0,0 +1,16 @@
+{
+  "utc": "2026-09-13T10:20:14.983254+00:00",
+  "source": "44095f78c28b79d6d085863dc928adba8e24d955",
+  "pid": 6772,
+  "exit": 0,
+  "stage_unchanged": true,
+  "stdout": {
+    "bytes": 0,
+    "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+  },
+  "stderr": {
+    "bytes": 0,
+    "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+  },
+  "scope": "Observed owned-process closure; not automatic native acceptance"
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/compact-baseline/notes.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/compact-baseline/notes.arcadia
new file mode 100644
index 00000000..e65a1fc7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/compact-baseline/notes.arcadia
@@ -0,0 +1,2 @@
+// Preserve deletion evidence 雨.
+// Exact bytes matter.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/compact-baseline/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/compact-baseline/project.arcadia
new file mode 100644
index 00000000..80374746
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/compact-baseline/project.arcadia
@@ -0,0 +1,224 @@
+arcadia 7;
+project delete_oracle "Delete oracle" id "de1e7e00-0000-4000-8000-000000000001" {
+    include "notes.arcadia";
+    description "";
+
+    oa_activity delete_10 "Target work" id "de1e7e00-0000-4000-8000-00000000000a" {
+        description "";
+        parent none;
+    }
+
+    oa_activity delete_11 "Untouched work" id "de1e7e00-0000-4000-8000-00000000000b" {
+        description "";
+        parent none;
+    }
+
+    oa_entity delete_12 "OA Dispatch team" id "de1e7e00-0000-4000-8000-00000000000c" {
+        description "";
+        parent none;
+    }
+
+    oa_scenario delete_20 "Reference scenario" id "de1e7e00-0000-4000-8000-000000000014" {
+        context none;
+        description "";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline delete_21 "Target reference" id "de1e7e00-0000-4000-8000-000000000015" {
+        description "";
+        parent @delete_20;
+        represented @delete_10;
+    }
+
+    sa_function delete_50 "SA Initialize controller" id "de1e7e00-0000-4000-8000-000000000032" {
+        description "";
+        parent none;
+    }
+
+    sa_state_machine delete_51 "SA Controller modes" id "de1e7e00-0000-4000-8000-000000000033" {
+        description "";
+        parent none;
+    }
+
+    sa_region delete_52 "SA Main region" id "de1e7e00-0000-4000-8000-000000000034" {
+        description "";
+        parent @delete_51;
+    }
+
+    sa_state delete_53 "SA Ready" id "de1e7e00-0000-4000-8000-000000000035" {
+        description "";
+        do_activity "";
+        entry "";
+        exit "";
+        kind State;
+        parent @delete_52;
+    }
+
+    allocation delete_13 "OA performs target work" id "de1e7e00-0000-4000-8000-00000000000d" {
+        description "";
+        source @delete_12;
+        target @delete_10;
+    }
+
+    state_action delete_54 "SA Entry initialize" id "de1e7e00-0000-4000-8000-000000000036" {
+        description "";
+        phase Entry;
+        source @delete_53;
+        target @delete_50;
+    }
+
+    diagram view_30 "Work view 30" id "de1e7e00-0000-4000-8000-00000000001e" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_31 id "de1e7e00-0000-4000-8000-00000000001f" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_32 id "de1e7e00-0000-4000-8000-000000000020" {
+        collapsed false;
+        diagram @view_30;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram view_40 "Work view 40" id "de1e7e00-0000-4000-8000-000000000028" {
+        description "";
+        layer Oa;
+        projection Allocation;
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_41 id "de1e7e00-0000-4000-8000-000000000029" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_10;
+        position {
+            x 80.0;
+            y 80.0;
+        };
+        size {
+            height 90.0;
+            width 180.0;
+        };
+    }
+
+    node node_42 id "de1e7e00-0000-4000-8000-00000000002a" {
+        collapsed false;
+        diagram @view_40;
+        element @delete_12;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 230.0;
+            width 380.0;
+        };
+    }
+
+    diagram sa_modes_view "SA Controller modes view" id "de1e7e00-0000-4000-8000-00000000003c" {
+        description "";
+        layer Sa;
+        projection {
+            StateMachine {
+                machine @delete_51;
+            };
+        };
+        routes [];
+        view_options {
+            coverage "All";
+            exchange_labels "Name";
+            hidden_edges [];
+            participant_categories "All";
+            relation_kinds "All";
+            work_categories "All";
+            work_contexts "All";
+        };
+    }
+
+    node node_61 id "de1e7e00-0000-4000-8000-00000000003d" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_51;
+        position {
+            x 40.0;
+            y 40.0;
+        };
+        size {
+            height 460.0;
+            width 620.0;
+        };
+    }
+
+    node node_62 id "de1e7e00-0000-4000-8000-00000000003e" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_52;
+        position {
+            x 60.0;
+            y 95.0;
+        };
+        size {
+            height 380.0;
+            width 580.0;
+        };
+    }
+
+    node node_63 id "de1e7e00-0000-4000-8000-00000000003f" {
+        collapsed false;
+        diagram @sa_modes_view;
+        element @delete_53;
+        position {
+            x 100.0;
+            y 155.0;
+        };
+        size {
+            height 190.0;
+            width 320.0;
+        };
+    }
+
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/001-home.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/001-home.jpg
new file mode 100644
index 00000000..b7b26c7d
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/001-home.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/001-home.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/001-home.json
new file mode 100644
index 00000000..6cbf75e9
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/001-home.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T07:59:06.238Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Untitled mission — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Owned staged440 GUI opens with private empty recent-model profile."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/002-private-profile-dialog.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/002-private-profile-dialog.json
new file mode 100644
index 00000000..b6c1b26c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/002-private-profile-dialog.json
@@ -0,0 +1,10 @@
+{
+  "utc": "2026-09-13T08:00:24.368Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 983904,
+    "title": "Open"
+  },
+  "tree": "Window: \"Open\", App: arcadia-studio.exe.\n\t0 dialog (disabled) Open Secondary Actions: Raise\n\t\t3 dialog Location is not available Secondary Actions: Raise\n\t\t\t4 image MainInstructionIcon ID: MainIcon\n\t\t\t5 text C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile\\Desktop is unavailable. If the location is on this PC, make sure the device or drive is connected or the disc is inserted, and then try again. If the location is on a network, make sure you’re connected to the network or Internet, and then try again. If the location still can’t be found, it might have been moved or deleted. ID: ContentText\n\t\t\t6 button OK ID: CommandButton_1\n\t\t\t7 title bar\n\t\t\t\t8 button Close\n\t\t9 pane\n\t\t\t10 tool bar Command Module ID: FolderBandModuleInner\n\t\t\t\t11 button &Help Description: Get help. ID: HelpButton\n\t\t\t\t12 check box Preview pane Description: Show the preview pane. ID: PreviewButton\n\t\t\t\t13 split button Details Description: Change your view. ID: ViewControl\n\t\t\t\t\t14 button View Slider Description: More options ID: SplitMenuButton\n\t\t\t\t15 button Organize Description: Organize this folder's contents. ID: {7DDC1264-7E4D-4F74-BBC0-D191987C8D0F}\n\t\t\t\t16 button New folder Description: Create a new folder. ID: {E44616AD-6DF1-4B94-85A4-E465AE8A19DB}\n\t\t\t17 pane Control Host ID: ProperTreeHost\n\t\t\t\t18 tree Navigation Pane ID: 100\n\t\t\t\t\t19 tree item (selectable, disabled) Desktop\n\t\t\t20 pane Shell Folder View ID: listview\n\t\t\t\t21 list Items View\n\t\t\t\t\t22 header Header\n\t\t\t\t\t\t23 split button Name ID: System.ItemNameDisplay\n\t\t\t\t\t\t\t24 button Filter dropdown ID: DropDown\n\t\t\t\t\t\t25 split button Date modified ID: System.DateModified\n\t\t\t\t\t\t\t26 button Filter dropdown ID: DropDown\n\t\t\t\t\t\t27 split button Type ID: System.ItemTypeText\n\t\t\t\t\t\t\t28 button Filter dropdown ID: DropDown\n\t\t\t\t\t\t29 split button Size ID: System.Size\n\t\t\t\t\t\t\t30 button Filter dropdown ID: DropDown\n\t\t\t\t\t31 list item (selectable) project.arcadia ID: 0\n\t\t\t\t\t\t32 edit Name ID: System.ItemNameDisplay\n\t\t\t\t\t\t33 edit Date modified ID: System.DateModified\n\t\t\t\t\t\t34 edit Type ID: System.ItemTypeText\n\t\t\t\t\t\t35 edit Size ID: System.Size\n\t\t\t\t\t36 list item (selectable) rationale.arcadia ID: 1\n\t\t\t\t\t\t37 edit Name ID: System.ItemNameDisplay\n\t\t\t\t\t\t38 edit Date modified ID: System.DateModified\n\t\t\t\t\t\t39 edit Type ID: System.ItemTypeText\n\t\t\t\t\t\t40 edit Size ID: System.Size\n\t\t\t41 tree Application Controls ID: AppControlsModuleInner\n\t\t42 text File name: ID: 1090\n\t\t43 combo box File name: ID: 1148\n\t\t\t44 edit (disabled) File name: ID: 1148\n\t\t\t45 button Open ID: DropDown\n\t\t46 combo box Files of type: ID: 1136\n\t\t\t47 text Files of type:\n\t\t\t48 button Open ID: DropDown\n\t\t49 button Open ID: 1\n\t\t50 button Cancel ID: 2\n\t\t51 thumb\n\t\t52 pane ID: 40965\n\t\t\t53 pane\n\t\t\t\t54 tool bar Navigation buttons\n\t\t\t\t\t55 button (disabled) Back (Alt + Left Arrow)\n\t\t\t\t\t56 button (disabled) Forward (Alt + Right Arrow)\n\t\t\t\t\t57 button (disabled) Recent locations\n\t\t\t58 pane\n\t\t\t\t59 tool bar Up band\n\t\t\t\t\t60 button Up to \"lifecycle-palette-20260913-01\" (Alt + Up Arrow)\n\t\t\t61 pane ID: 41477\n\t\t\t\t62 progress bar Loading\n\t\t\t\t\t63 pane\n\t\t\t\t\t\t64 tool bar Address: C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\lifecycle-palette-20260913-01\\topology-work ID: 1001\n\t\t\t\t\t\t\t65 split button All locations\n\t\t\t\t\t\t\t66 split button ‎Git\n\t\t\t\t\t\t\t67 split button ‎ARCADIA-Studio\n\t\t\t\t\t\t\t68 split button ‎.local\n\t\t\t\t\t\t\t69 split button ‎native-qa\n\t\t\t\t\t\t\t70 split button ‎lifecycle-palette-20260913-01\n\t\t\t\t\t\t\t71 menu item ‎topology-work\n\t\t\t\t\t72 tool bar Address band\n\t\t\t\t\t\t73 button Previous Locations\n\t\t\t\t\t\t74 button Refresh \"topology-work\" (F5)\n\t\t\t75 pane\n\t\t\t\t76 pane\n\t\t\t\t\t77 pane\n\t\t\t\t\t\t78 edit Search Box Description: Search topology-work ID: SearchEditBox\n\t\t\t\t\t\t79 button Search ID: SearchBoxSearchButton\n\t\t1 title bar\n\t\t\t2 button Close\n\t\t3 dialog Location is not available Secondary Actions: Raise\n\t\t\t4 image MainInstructionIcon ID: MainIcon\n\t\t\t5 text C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile\\Desktop is unavailable. If the location is on this PC, make sure the device or drive is connected or the disc is inserted, and then try again. If the location is on a network, make sure you’re connected to the network or Internet, and then try again. If the location still can’t be found, it might have been moved or deleted. ID: ContentText\n\t\t\t6 button OK ID: CommandButton_1\n\t\t\t7 title bar\n\t\t\t\t8 button Close\n\nThe focused UI element is 78 edit Search Box Description: Search topology-work ID: SearchEditBox.",
+  "note": "First Open warns that private profile/Desktop is absent; test harness profile setup omission."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/003-source-loaded.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/003-source-loaded.jpg
new file mode 100644
index 00000000..8dc01dcf
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/003-source-loaded.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/003-source-loaded.json
new file mode 100644
index 00000000..23333aea
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/003-source-loaded.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:11:06.335Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Untitled mission — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Loaded the admitted six-file schema7 distress-response fixture, 22 objects/13 links; all changes saved. File picker required coordinate browsing because type_text did not enter a path, whereas press_key did."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/004-textual-model.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/004-textual-model.jpg
new file mode 100644
index 00000000..c8f6d231
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/004-textual-model.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/004-textual-model.json
new file mode 100644
index 00000000..7e39df2d
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/004-textual-model.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:11:36.318Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Six source files loaded; header and diagnostics occupy upper editor area at1440x900."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/005-word-selected.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/005-word-selected.jpg
new file mode 100644
index 00000000..db0b049a
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/005-word-selected.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/005-word-selected.json
new file mode 100644
index 00000000..9f71d8f1
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/005-word-selected.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:12:00.501Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Double-click selected the complete comment word Includes."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/006-word-after-find-close.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/006-word-after-find-close.jpg
new file mode 100644
index 00000000..7446231b
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/006-word-after-find-close.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/006-word-after-find-close.json
new file mode 100644
index 00000000..c2973d83
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/006-word-after-find-close.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:12:44.320Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Find Close returned focus and retained complete Includes selection."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/007-word-replaced.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/007-word-replaced.jpg
new file mode 100644
index 00000000..1aa37f8a
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/007-word-replaced.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/007-word-replaced.json
new file mode 100644
index 00000000..70ade203
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/007-word-replaced.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:13:07.819Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "A real x keystroke after Find Close replaces Includes only; remaining comment and file text visually preserved, draft pending."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/008-word-undo.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/008-word-undo.jpg
new file mode 100644
index 00000000..85beeaeb
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/008-word-undo.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/008-word-undo.json
new file mode 100644
index 00000000..faf7f625
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/008-word-undo.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:13:32.800Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Ctrl+Z restored Includes and the clean Model in sync state."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/009-line-selected.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/009-line-selected.jpg
new file mode 100644
index 00000000..0effd7fe
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/009-line-selected.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/009-line-selected.json
new file mode 100644
index 00000000..b0baa319
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/009-line-selected.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:14:01.420Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Triple-click selected the complete comment line, including indentation."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/010-line-after-find-escape.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/010-line-after-find-escape.jpg
new file mode 100644
index 00000000..55a832c2
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/010-line-after-find-escape.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/010-line-after-find-escape.json
new file mode 100644
index 00000000..1b46d41b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/010-line-after-find-escape.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:15:04.215Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Escape closes Find and returns complete line selection."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/011-line-replaced.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/011-line-replaced.jpg
new file mode 100644
index 00000000..2ee03d8f
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/011-line-replaced.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/011-line-replaced.json
new file mode 100644
index 00000000..7db313a5
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/011-line-replaced.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:15:23.357Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Typing x replaced the complete selected comment line only; adjacent includes remain. Live diagnostics reports intentionally invalid x without applying the draft."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/012-line-undo.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/012-line-undo.jpg
new file mode 100644
index 00000000..7ce77feb
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/012-line-undo.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/012-line-undo.json
new file mode 100644
index 00000000..1dcc38ca
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/012-line-undo.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:15:45.593Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Undo restored the full comment line, cleared intentional syntax error and returned clean model state."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/013-word-after-file-roundtrip.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/013-word-after-file-roundtrip.jpg
new file mode 100644
index 00000000..277949e0
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/013-word-after-file-roundtrip.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/013-word-after-file-roundtrip.json
new file mode 100644
index 00000000..30fd3663
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/013-word-after-file-roundtrip.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:16:59.376Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Includes selection and editor focus restored after project→oa→project file navigation."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/014-file-roundtrip-word-replaced.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/014-file-roundtrip-word-replaced.jpg
new file mode 100644
index 00000000..a62136fe
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/014-file-roundtrip-word-replaced.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/014-file-roundtrip-word-replaced.json
new file mode 100644
index 00000000..0cd36577
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/014-file-roundtrip-word-replaced.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:17:18.042Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Typing after file roundtrip replaces Includes only; full selection is operational, not merely painted."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/015-file-roundtrip-word-undo.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/015-file-roundtrip-word-undo.jpg
new file mode 100644
index 00000000..4a0e66b5
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/015-file-roundtrip-word-undo.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/015-file-roundtrip-word-undo.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/015-file-roundtrip-word-undo.json
new file mode 100644
index 00000000..82375cba
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/015-file-roundtrip-word-undo.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:23:58.661Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Ctrl+Z restored the draft-only word replacement after file navigation; visible model clean."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/016-rename-preview.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/016-rename-preview.jpg
new file mode 100644
index 00000000..5ad04db7
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/016-rename-preview.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/016-rename-preview.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/016-rename-preview.json
new file mode 100644
index 00000000..b6a51cde
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/016-rename-preview.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:26:18.600Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Native F2 opens selected function rename, appending _union and Preview shows two changed files and six changed lines."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/017-rename-cancel.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/017-rename-cancel.jpg
new file mode 100644
index 00000000..b7368fdd
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/017-rename-cancel.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/017-rename-cancel.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/017-rename-cancel.json
new file mode 100644
index 00000000..336ba2c2
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/017-rename-cancel.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:27:03.119Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Cancel closed the preview, leaving the original alias and visible clean model."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/018-rename-declaration-preview.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/018-rename-declaration-preview.jpg
new file mode 100644
index 00000000..db3c9d17
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/018-rename-declaration-preview.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/018-rename-declaration-preview.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/018-rename-declaration-preview.json
new file mode 100644
index 00000000..bb5e66a3
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/018-rename-declaration-preview.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:29:17.459Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Scrolled preview shows only alias changing assess_report to assess_report_union; engineering name and UUID remain."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/019-rename-allocation-preview.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/019-rename-allocation-preview.jpg
new file mode 100644
index 00000000..4a856127
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/019-rename-allocation-preview.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/019-rename-allocation-preview.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/019-rename-allocation-preview.json
new file mode 100644
index 00000000..761b5013
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/019-rename-allocation-preview.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:29:44.906Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Allocation target alias changes; allocation identity and source remain."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/020-rename-exchange-preview.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/020-rename-exchange-preview.jpg
new file mode 100644
index 00000000..af48daa3
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/020-rename-exchange-preview.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/020-rename-exchange-preview.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/020-rename-exchange-preview.json
new file mode 100644
index 00000000..45708b69
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/020-rename-exchange-preview.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:32:17.665Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Functional exchange target changes only the alias; target port remains report_in. Capture recovered by explicit activation after a transient capture failure."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/021-rename-capability-preview.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/021-rename-capability-preview.jpg
new file mode 100644
index 00000000..21f93d92
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/021-rename-capability-preview.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/021-rename-capability-preview.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/021-rename-capability-preview.json
new file mode 100644
index 00000000..a5666620
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/021-rename-capability-preview.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:33:05.488Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Capability involvement source alias changes, while target and relation identity remain."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/022-rename-view-placement-preview.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/022-rename-view-placement-preview.jpg
new file mode 100644
index 00000000..e95bef38
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/022-rename-view-placement-preview.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/022-rename-view-placement-preview.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/022-rename-view-placement-preview.json
new file mode 100644
index 00000000..77d8edf8
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/022-rename-view-placement-preview.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:34:06.093Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Saved architecture node references only the renamed element alias."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/023-rename-second-view-preview.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/023-rename-second-view-preview.jpg
new file mode 100644
index 00000000..637c1608
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/023-rename-second-view-preview.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/023-rename-second-view-preview.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/023-rename-second-view-preview.json
new file mode 100644
index 00000000..75268422
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/023-rename-second-view-preview.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:34:49.263Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Second saved diagram node changes only element alias; all six intended changes have been visually inspected across five hunks/two files."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/024-rename-accepted.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/024-rename-accepted.jpg
new file mode 100644
index 00000000..c17d1b9a
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/024-rename-accepted.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/024-rename-accepted.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/024-rename-accepted.json
new file mode 100644
index 00000000..3aaaa3a0
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/024-rename-accepted.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:35:22.318Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Accept closes modal with renamed alias selected, one Undo rename and unsaved model status; same engineering name/UUID remain visible."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/025-rename-saved.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/025-rename-saved.jpg
new file mode 100644
index 00000000..5565edc0
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/025-rename-saved.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/025-rename-saved.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/025-rename-saved.json
new file mode 100644
index 00000000..f599ea30
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/025-rename-saved.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:36:07.050Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Save all completed with renamed source visible and clean saved status."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/026-rename-undone.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/026-rename-undone.jpg
new file mode 100644
index 00000000..e1e2cd09
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/026-rename-undone.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/026-rename-undone.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/026-rename-undone.json
new file mode 100644
index 00000000..cd7d9066
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/026-rename-undone.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:37:14.713Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "One Undo model restores original alias and enables Redo model."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/027-rename-redone.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/027-rename-redone.jpg
new file mode 100644
index 00000000..a78b8e50
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/027-rename-redone.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/027-rename-redone.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/027-rename-redone.json
new file mode 100644
index 00000000..38f2606a
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/027-rename-redone.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:39:19.300Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "One Redo model restores accepted alias transaction."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/028-renamed-project-reopened.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/028-renamed-project-reopened.jpg
new file mode 100644
index 00000000..a530e9fa
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/028-renamed-project-reopened.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/028-renamed-project-reopened.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/028-renamed-project-reopened.json
new file mode 100644
index 00000000..73176013
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/028-renamed-project-reopened.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:46:46.830Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "File picker loaded same saved project.arcadia; architecture and 22 objects/13 links/11 checks remain."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/029-reopened-renamed-source.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/029-reopened-renamed-source.jpg
new file mode 100644
index 00000000..030bcd13
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/029-reopened-renamed-source.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/029-reopened-renamed-source.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/029-reopened-renamed-source.json
new file mode 100644
index 00000000..f63e8f91
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/029-reopened-renamed-source.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:48:32.518Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Reopened reporting module shows assess_report_union with same engineering name, UUID, comments and clean model."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/030-reopened-references.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/030-reopened-references.jpg
new file mode 100644
index 00000000..325468a6
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/030-reopened-references.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/030-reopened-references.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/030-reopened-references.json
new file mode 100644
index 00000000..67585a27
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/030-reopened-references.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:49:59.880Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Shift+F12 resolves renamed alias: six included validated files, one declaration and five lexical uses."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/031-reference-navigation.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/031-reference-navigation.jpg
new file mode 100644
index 00000000..694215fa
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/031-reference-navigation.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/031-reference-navigation.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/031-reference-navigation.json
new file mode 100644
index 00000000..f0133374
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/031-reference-navigation.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:50:26.393Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Clicking allocation use navigates and selects exact renamed token at line44."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/032-definition-navigation.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/032-definition-navigation.jpg
new file mode 100644
index 00000000..0cb8e4ba
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/032-definition-navigation.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/032-definition-navigation.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/032-definition-navigation.json
new file mode 100644
index 00000000..97ddeab2
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/032-definition-navigation.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:50:50.704Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "F12 from selected use jumps to and selects correct declaration in reporting module."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/033-source-back.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/033-source-back.jpg
new file mode 100644
index 00000000..611cad87
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/033-source-back.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/033-source-back.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/033-source-back.json
new file mode 100644
index 00000000..685e70fd
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/033-source-back.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:51:21.781Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Alt+Left restores prior allocation token selection and scroll."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/034-diagram-chooser.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/034-diagram-chooser.jpg
new file mode 100644
index 00000000..dd2506c4
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/034-diagram-chooser.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/034-diagram-chooser.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/034-diagram-chooser.json
new file mode 100644
index 00000000..f6102b5e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/034-diagram-chooser.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:51:45.669Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Show in diagrams identifies exactly two saved SA representations of renamed function, with visible selected row and focused filter."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/035-chooser-cancel-keyboard-focus.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/035-chooser-cancel-keyboard-focus.jpg
new file mode 100644
index 00000000..6e4e28bf
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/035-chooser-cancel-keyboard-focus.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/035-chooser-cancel-keyboard-focus.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/035-chooser-cancel-keyboard-focus.json
new file mode 100644
index 00000000..bbb419ba
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/035-chooser-cancel-keyboard-focus.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:52:43.522Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "After Escape from chooser, real x key replaces only selected alias token at original use; unknown reference is a deliberately induced unsaved draft."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/036-source-to-diagram.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/036-source-to-diagram.jpg
new file mode 100644
index 00000000..3e9ea73c
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/036-source-to-diagram.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/036-source-to-diagram.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/036-source-to-diagram.json
new file mode 100644
index 00000000..6e873276
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/036-source-to-diagram.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:55:25.551Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Keyboard choice opens exact SA functional containment node; canvas, tree, Inspector agree on Assess report, alias assess_report_union, UUID403."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/037-element-actions.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/037-element-actions.jpg
new file mode 100644
index 00000000..60553157
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/037-element-actions.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/037-element-actions.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/037-element-actions.json
new file mode 100644
index 00000000..48eadfab
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/037-element-actions.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:56:46.071Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Inspector action menu remains readable, active target named and selected item outlined; source/navigation actions visible with disabled counterpart review differentiated."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/038-diagram-to-source.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/038-diagram-to-source.jpg
new file mode 100644
index 00000000..90d04f6f
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/038-diagram-to-source.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/038-diagram-to-source.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/038-diagram-to-source.json
new file mode 100644
index 00000000..9d2ade7b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/038-diagram-to-source.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T08:57:50.341Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Open source from Inspector actions selects exact declaration line in owning included module."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/039-find-and-references.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/039-find-and-references.jpg
new file mode 100644
index 00000000..d6a9eab1
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/039-find-and-references.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/039-find-and-references.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/039-find-and-references.json
new file mode 100644
index 00000000..d466caf2
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/039-find-and-references.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:03:10.790Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Find and References are open together before scoped Escape check."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/040-first-escape.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/040-first-escape.jpg
new file mode 100644
index 00000000..215f168a
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/040-first-escape.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/040-first-escape.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/040-first-escape.json
new file mode 100644
index 00000000..6c3724e9
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/040-first-escape.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:03:33.197Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "First Escape closes Find, keeps References and restores Word selection focus."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/041-second-escape.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/041-second-escape.jpg
new file mode 100644
index 00000000..e05ec288
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/041-second-escape.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/041-second-escape.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/041-second-escape.json
new file mode 100644
index 00000000..7f53353f
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/041-second-escape.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:03:49.213Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Second Escape closes References and preserves same source Word selection."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/042-two-escape-word-replacement.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/042-two-escape-word-replacement.jpg
new file mode 100644
index 00000000..0637c24e
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/042-two-escape-word-replacement.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/042-two-escape-word-replacement.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/042-two-escape-word-replacement.json
new file mode 100644
index 00000000..1e1278ac
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/042-two-escape-word-replacement.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:04:06.306Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Real x replaces exactly the selected alias after first Find Escape and second References Escape; draft only, no Apply/Save."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/043-preview-scrolled.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/043-preview-scrolled.jpg
new file mode 100644
index 00000000..8c5a6c43
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/043-preview-scrolled.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/043-preview-scrolled.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/043-preview-scrolled.json
new file mode 100644
index 00000000..f28a1c95
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/043-preview-scrolled.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:14:51.902Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Unaccepted assess_report_union_trial proposal, sa/reporting.arcadia hunk1/3 scrolled to declaration line11."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/044-preview-details.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/044-preview-details.jpg
new file mode 100644
index 00000000..87f1384c
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/044-preview-details.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/044-preview-details.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/044-preview-details.json
new file mode 100644
index 00000000..60ac5369
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/044-preview-details.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:15:07.168Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Full details identifies sa_function Assess report, origin/display sa/reporting.arcadia, original/replacement aliases; page1/2."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/045-preview-return-scroll-reset.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/045-preview-return-scroll-reset.jpg
new file mode 100644
index 00000000..cd2edb76
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/045-preview-return-scroll-reset.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/045-preview-return-scroll-reset.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/045-preview-return-scroll-reset.json
new file mode 100644
index 00000000..147f0c5e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/045-preview-return-scroll-reset.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:15:21.101Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Observed failure: returning from Full details to same file/hunk/rows resets overflow to line8/top; frame043 was scrolled to declaration line11. Proposal remains unaccepted."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/046-rename-modal-blocks-f12.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/046-rename-modal-blocks-f12.jpg
new file mode 100644
index 00000000..e3600194
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/046-rename-modal-blocks-f12.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/046-rename-modal-blocks-f12.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/046-rename-modal-blocks-f12.json
new file mode 100644
index 00000000..94501f59
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/046-rename-modal-blocks-f12.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:15:52.541Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "F12 with rename approval open leaves modal, target, file and hunk unchanged; no source or diagram navigation observed."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/047-preview-filter-destination.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/047-preview-filter-destination.jpg
new file mode 100644
index 00000000..62609deb
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/047-preview-filter-destination.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/047-preview-filter-destination.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/047-preview-filter-destination.json
new file mode 100644
index 00000000..18c79ff6
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/047-preview-filter-destination.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:16:27.848Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Filtering views selects views.arcadia file2/2 hunk1/2 at top line37; correct Previous/Next file disabled with one matching file."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/048-final-source-saved.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/048-final-source-saved.jpg
new file mode 100644
index 00000000..57bd6130
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/048-final-source-saved.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/048-final-source-saved.json
new file mode 100644
index 00000000..92ebd885
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/048-final-source-saved.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:16:52.867Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Distress response — nested source project — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Cancelled trial alias proposal, final Save all leaves assess_report_union and all source files saved after two-Escape Word replacement was text-undone."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/049-compact-loaded.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/049-compact-loaded.jpg
new file mode 100644
index 00000000..ec001c3b
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/049-compact-loaded.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/049-compact-loaded.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/049-compact-loaded.json
new file mode 100644
index 00000000..5d381098
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/049-compact-loaded.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:21:03.330Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Compact fixture opens Work view30 with Target work inside OA Dispatch team; initial project selection."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/050-compact-chooser-second.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/050-compact-chooser-second.jpg
new file mode 100644
index 00000000..53028971
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/050-compact-chooser-second.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/050-compact-chooser-second.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/050-compact-chooser-second.json
new file mode 100644
index 00000000..ffc8a75b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/050-compact-chooser-second.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:22:31.335Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Down moves clear outlined target to Architecture OA Work view40, second of three actual destinations."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/051-compact-second-placement-revealed.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/051-compact-second-placement-revealed.jpg
new file mode 100644
index 00000000..1e82e119
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/051-compact-second-placement-revealed.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/051-compact-second-placement-revealed.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/051-compact-second-placement-revealed.json
new file mode 100644
index 00000000..2206dfac
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/051-compact-second-placement-revealed.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:23:18.465Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Enter opens Work view40 and centers/selects Target work in its second placement; status names Work view40 and Inspector UUID ends000a."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/052-compact-delete-before-canvas-focus.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/052-compact-delete-before-canvas-focus.jpg
new file mode 100644
index 00000000..276c943b
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/052-compact-delete-before-canvas-focus.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/052-compact-delete-before-canvas-focus.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/052-compact-delete-before-canvas-focus.json
new file mode 100644
index 00000000..320124b4
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/052-compact-delete-before-canvas-focus.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:23:44.025Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Immediately after chooser navigation Delete produced no visible change or confirmation; selected placement remains. Next check explicitly focuses the canvas."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/053-compact-second-placement-hidden.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/053-compact-second-placement-hidden.jpg
new file mode 100644
index 00000000..f8ac3107
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/053-compact-second-placement-hidden.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/053-compact-second-placement-hidden.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/053-compact-second-placement-hidden.json
new file mode 100644
index 00000000..ac105da6
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/053-compact-second-placement-hidden.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:24:20.694Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Canvas-focused Delete immediately hides selected Work view40 placement without modal. Status explicitly says model element preserved and Undo restores placement; Target work remains in tree/Inspector."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/054-compact-placement-undo.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/054-compact-placement-undo.jpg
new file mode 100644
index 00000000..bfb1252a
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/054-compact-placement-undo.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/054-compact-placement-undo.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/054-compact-placement-undo.json
new file mode 100644
index 00000000..e758d8bd
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/054-compact-placement-undo.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:25:08.382Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Ctrl+Z restores selected second placement and reports Model change undone."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/055-compact-placement-redo.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/055-compact-placement-redo.jpg
new file mode 100644
index 00000000..bb140850
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/055-compact-placement-redo.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/055-compact-placement-redo.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/055-compact-placement-redo.json
new file mode 100644
index 00000000..57746463
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/055-compact-placement-redo.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:25:52.834Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle * — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Ctrl+Y redoes only the view40 placement removal; semantic work/tree/Inspector remain."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/056-state-row-chooser.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/056-state-row-chooser.jpg
new file mode 100644
index 00000000..5a8892f8
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/056-state-row-chooser.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/056-state-row-chooser.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/056-state-row-chooser.json
new file mode 100644
index 00000000..72bb50d0
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/056-state-row-chooser.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:36:03.719Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Show diagrams for function delete_50 resolves exact state action work SA Entry initialize @delete_54 in SA Controller modes view."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/057-state-row-exact-target.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/057-state-row-exact-target.jpg
new file mode 100644
index 00000000..03e6abe9
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/057-state-row-exact-target.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/057-state-row-exact-target.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/057-state-row-exact-target.json
new file mode 100644
index 00000000..60dc7a48
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/057-state-row-exact-target.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:36:43.756Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Entry row revealed/outlined at125%; Inspector State action delete_54 UUID...0036, phaseEntry, sourceSA Ready and targetSA Initialize controller."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/058-state-row-delete-confirm-target.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/058-state-row-delete-confirm-target.jpg
new file mode 100644
index 00000000..5aaa4244
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/058-state-row-delete-confirm-target.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/058-state-row-delete-confirm-target.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/058-state-row-delete-confirm-target.json
new file mode 100644
index 00000000..33c1f266
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/058-state-row-delete-confirm-target.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:37:58.839Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Delete confirmation names SA Entry initialize and explicitly removes only state relation; states and referenced activities/functions remain. Underlying Inspector UUID...0036."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/059-state-row-shift-delete-target.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/059-state-row-shift-delete-target.jpg
new file mode 100644
index 00000000..2b857a4c
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/059-state-row-shift-delete-target.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/059-state-row-shift-delete-target.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/059-state-row-shift-delete-target.json
new file mode 100644
index 00000000..92ea4671
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/059-state-row-shift-delete-target.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:41:36.988Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "After explicit row focus Shift+Delete requests same SA Entry initialize relation only; no parent/machine/function substitution."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/060-compact-final-saved.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/060-compact-final-saved.jpg
new file mode 100644
index 00000000..bfe06689
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/060-compact-final-saved.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/060-compact-final-saved.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/060-compact-final-saved.json
new file mode 100644
index 00000000..3d36ce37
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/060-compact-final-saved.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:43:04.172Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Delete oracle — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Placement hide/Undo/Redo/Undo complete; both state relation Delete and ShiftDelete dialogs cancelled; all sources saved with Entry row still present."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/061-lifecycle-oa1-normal.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/061-lifecycle-oa1-normal.jpg
new file mode 100644
index 00000000..0c2e6b51
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/061-lifecycle-oa1-normal.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/061-lifecycle-oa1-normal.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/061-lifecycle-oa1-normal.json
new file mode 100644
index 00000000..d028996e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/061-lifecycle-oa1-normal.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:50:14.276Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "OA1 at100%: nested C1/C2 activations continuous, distinct create capsule and delete cross, no invented pre-birth/post-death solid lane."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/062-lifecycle-oa1-outer-shoulder.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/062-lifecycle-oa1-outer-shoulder.jpg
new file mode 100644
index 00000000..53793865
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/062-lifecycle-oa1-outer-shoulder.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/062-lifecycle-oa1-outer-shoulder.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/062-lifecycle-oa1-outer-shoulder.json
new file mode 100644
index 00000000..6d885b33
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/062-lifecycle-oa1-outer-shoulder.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:51:43.504Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Click exposed outer shoulder at665,588 selects C1 420kPa / bound_1040; continuous selected outer activation remains visible beside inner box."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/063-lifecycle-oa1-inner-endpoint.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/063-lifecycle-oa1-inner-endpoint.jpg
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index 00000000..9361129f
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/063-lifecycle-oa1-inner-endpoint.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/063-lifecycle-oa1-inner-endpoint.json
new file mode 100644
index 00000000..bb657adf
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/063-lifecycle-oa1-inner-endpoint.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:53:17.472Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Exact C2 endpoint at669,549 selects C2 380kPa / bound_1030, preserving the distinct outer activation."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/064-lifecycle-oa1-delete-marker.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/064-lifecycle-oa1-delete-marker.jpg
new file mode 100644
index 00000000..96a37994
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/064-lifecycle-oa1-delete-marker.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/064-lifecycle-oa1-delete-marker.json
new file mode 100644
index 00000000..66092e7d
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/064-lifecycle-oa1-delete-marker.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:54:41.904Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Click delete cross selects Delete inspector / bound_1070 distinct from C1/C2."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/065-lifecycle-oa1-create-marker.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/065-lifecycle-oa1-create-marker.jpg
new file mode 100644
index 00000000..74813c6f
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/065-lifecycle-oa1-create-marker.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/065-lifecycle-oa1-create-marker.json
new file mode 100644
index 00000000..f9f1a3ea
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/065-lifecycle-oa1-create-marker.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:55:21.753Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Create capsule selects Create inspector / bound_1005; both lifetime boundary occurrences distinct from nested calls."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/066-lifecycle-sa2-unicode.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/066-lifecycle-sa2-unicode.jpg
new file mode 100644
index 00000000..58648e19
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/066-lifecycle-sa2-unicode.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/066-lifecycle-sa2-unicode.json
new file mode 100644
index 00000000..1d167684
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/066-lifecycle-sa2-unicode.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:56:49.954Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "SA2 at100%: Unicode header and create capsule text remains clipped inside bounds; nested activation geometry distinct."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/067-lifecycle-sa2-outer-selected.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/067-lifecycle-sa2-outer-selected.jpg
new file mode 100644
index 00000000..6c99564d
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/067-lifecycle-sa2-outer-selected.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/067-lifecycle-sa2-outer-selected.json
new file mode 100644
index 00000000..b791c049
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/067-lifecycle-sa2-outer-selected.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:57:44.810Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "SA2 normal100% outer activation selects C1 420kPa / bound_2040 with Unicode header/capsule clipped and continuous shoulder."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/068-lifecycle-sa2-fit.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/068-lifecycle-sa2-fit.jpg
new file mode 100644
index 00000000..4df47c39
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/068-lifecycle-sa2-fit.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/068-lifecycle-sa2-fit.json
new file mode 100644
index 00000000..12b1aaf7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/068-lifecycle-sa2-fit.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T09:59:34.541Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Fit87% retains C1/bound_2040 selection and coherent nested activation. Toolbar tooltip temporarily overlays header; no claim of tooltip layout acceptance."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/069-lifecycle-sa6-unresolved.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/069-lifecycle-sa6-unresolved.jpg
new file mode 100644
index 00000000..1d1e39a7
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/069-lifecycle-sa6-unresolved.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/069-lifecycle-sa6-unresolved.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/069-lifecycle-sa6-unresolved.json
new file mode 100644
index 00000000..ec4cb086
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/069-lifecycle-sa6-unresolved.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:01:19.359Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Nested lifecycle union acceptance — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "SA6 bound_6000 at100% shows birth-dependent ALT branches, question-mark lifetime cues and no fabricated solid activation on unresolved call."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/070-topology-oa-caller.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/070-topology-oa-caller.jpg
new file mode 100644
index 00000000..2315a63b
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/070-topology-oa-caller.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/070-topology-oa-caller.json
new file mode 100644
index 00000000..5c3b0e61
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/070-topology-oa-caller.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:08:05.314Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "OA Caller at100% shows distinct First and Second assessment reusable-procedure previews."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/071-topology-second-occurrence-chooser.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/071-topology-second-occurrence-chooser.jpg
new file mode 100644
index 00000000..e4b1806e
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/071-topology-second-occurrence-chooser.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/071-topology-second-occurrence-chooser.json
new file mode 100644
index 00000000..1f779826
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/071-topology-second-occurrence-chooser.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:14:26.307Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Down selects Second assessment (@oa_r2) / A while First assessment remains a distinct row."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/072-topology-second-occurrence-revealed.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/072-topology-second-occurrence-revealed.jpg
new file mode 100644
index 00000000..5415f068
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/072-topology-second-occurrence-revealed.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/072-topology-second-occurrence-revealed.json
new file mode 100644
index 00000000..b8afadc1
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/072-topology-second-occurrence-revealed.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:15:02.187Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Enter reveals inner A in Second assessment oa_r2; boundary and inner A highlighted, Inspector and tree select the owning Second assessment occurrence. First remains separate above; native trial remains open."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/073-topology-second-exact-source.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/073-topology-second-exact-source.jpg
new file mode 100644
index 00000000..28ef9819
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/073-topology-second-exact-source.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/073-topology-second-exact-source.json
new file mode 100644
index 00000000..9b38dc6b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/073-topology-second-exact-source.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:16:56.690Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Open source from selected Second assessment selects oa_occurrence oa_r2 with UUID1e27be58-3e3e-5869-ad30-e94a28ea2a2e. Back disabled with no prior source-history entry."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/074-topology-procedure-definition.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/074-topology-procedure-definition.jpg
new file mode 100644
index 00000000..f484cacf
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/074-topology-procedure-definition.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/074-topology-procedure-definition.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/074-topology-procedure-definition.json
new file mode 100644
index 00000000..d1475886
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/074-topology-procedure-definition.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:17:41.339Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "F12 on oa_r2 sequence reference navigates to oa_procedure definition; declaration identity and validated source drawer agree."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/075-topology-source-back.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/075-topology-source-back.jpg
new file mode 100644
index 00000000..31d92dad
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/075-topology-source-back.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/075-topology-source-back.json
new file mode 100644
index 00000000..8bc43f76
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/075-topology-source-back.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:17:53.511Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Alt+Left returns caret to oa_r2 sequence @oa_procedure use site; original source identity retained and model stays in sync."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/076-topology-sa-chooser.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/076-topology-sa-chooser.jpg
new file mode 100644
index 00000000..0cbb189a
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diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/076-topology-sa-chooser.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/076-topology-sa-chooser.json
new file mode 100644
index 00000000..1a75b06f
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/076-topology-sa-chooser.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:18:52.246Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "SA function sa_work_a lists three SA destinations and four representations, distinct from OA identities."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/077-topology-sa-nested-chooser.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/077-topology-sa-nested-chooser.jpg
new file mode 100644
index 00000000..f9268e5c
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/077-topology-sa-nested-chooser.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/077-topology-sa-nested-chooser.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/077-topology-sa-nested-chooser.json
new file mode 100644
index 00000000..82e33b9b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/077-topology-sa-nested-chooser.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:19:17.372Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Nested SA wrapper destination resolves Inner assessment sa_inner / A sa_a as a reused action occurrence."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/078-topology-sa-nested-revealed.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/078-topology-sa-nested-revealed.jpg
new file mode 100644
index 00000000..d1896489
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/078-topology-sa-nested-revealed.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/078-topology-sa-nested-revealed.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/078-topology-sa-nested-revealed.json
new file mode 100644
index 00000000..2143c450
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/078-topology-sa-nested-revealed.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:19:30.280Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "SA nested wrapper opens at125 percent, inner A and owning Inner assessment sa_inner boundary highlighted; SA Inspector/tree/parent agree."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/079-topology-final-saved.jpg b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/079-topology-final-saved.jpg
new file mode 100644
index 00000000..0dfbecbc
Binary files /dev/null and b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/079-topology-final-saved.jpg differ
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/079-topology-final-saved.json b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/079-topology-final-saved.json
new file mode 100644
index 00000000..1c9cee33
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/evidence/079-topology-final-saved.json
@@ -0,0 +1,15 @@
+{
+  "utc": "2026-09-13T10:20:02.501Z",
+  "window": {
+    "app": "process:C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe",
+    "id": 124716288,
+    "title": "Reusable procedures and operation identity — Arcadia Studio"
+  },
+  "screenshot": {
+    "id": "screenshot-0",
+    "mime": "image/jpeg",
+    "width": 1442,
+    "height": 932
+  },
+  "note": "Save all completes; independent same-mode whole Project and exact SourceBundle checkpoint topology-navigation-final-saved-440 PASS. Closing this original440 trial next; known Details-to-Preview failure remains open."
+}
\ No newline at end of file
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/launch-request.json b/harness/experiments/navigation-native-440-20260913/raw/trial/launch-request.json
new file mode 100644
index 00000000..98b0e378
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/launch-request.json
@@ -0,0 +1,41 @@
+{
+  "utc": "2026-09-13T07:57:49.052900+00:00",
+  "source": "44095f78c28b79d6d085863dc928adba8e24d955",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe"
+  ],
+  "cwd": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\working-directory",
+  "environment": {
+    "SystemRoot": "C:\\Windows",
+    "WINDIR": "C:\\Windows",
+    "SystemDrive": "C:",
+    "ProgramData": "C:\\ProgramData",
+    "ALLUSERSPROFILE": "C:\\ProgramData",
+    "PUBLIC": "C:\\Users\\Public",
+    "COMSPEC": "C:\\Windows\\system32\\cmd.exe",
+    "PATHEXT": ".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.CPL",
+    "NUMBER_OF_PROCESSORS": "4",
+    "PROCESSOR_ARCHITECTURE": "AMD64",
+    "OS": "Windows_NT",
+    "PATH": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7;C:\\Windows\\System32;C:\\Windows",
+    "USERPROFILE": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile",
+    "HOMEDRIVE": "C:",
+    "HOMEPATH": "\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile",
+    "LOCALAPPDATA": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile\\AppData\\Local",
+    "APPDATA": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile\\AppData\\Roaming",
+    "TEMP": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\temp",
+    "TMP": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\temp"
+  },
+  "stage_manifest": {
+    "bytes": 195529,
+    "sha256": "e99a1362bd5f6e735d151bace28b523073a416a6405c4b9eb2d4a686ac72634e"
+  },
+  "config": {
+    "bytes": 41465,
+    "sha256": "0deb4aec185c28edefe8697233e5fb815a7749e0080ff3e0beb8e8d77deced9a"
+  },
+  "helper": {
+    "bytes": 29778,
+    "sha256": "0bc470a1e04a324581cd930412f845fabbca5d1de20ea1f79ea0680e57252a25"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/launch.json b/harness/experiments/navigation-native-440-20260913/raw/trial/launch.json
new file mode 100644
index 00000000..d3e5d44c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/launch.json
@@ -0,0 +1,51 @@
+{
+  "utc": "2026-09-13T07:57:49.052900+00:00",
+  "source": "44095f78c28b79d6d085863dc928adba8e24d955",
+  "command": [
+    "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7\\arcadia-studio.exe"
+  ],
+  "cwd": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\working-directory",
+  "environment": {
+    "SystemRoot": "C:\\Windows",
+    "WINDIR": "C:\\Windows",
+    "SystemDrive": "C:",
+    "ProgramData": "C:\\ProgramData",
+    "ALLUSERSPROFILE": "C:\\ProgramData",
+    "PUBLIC": "C:\\Users\\Public",
+    "COMSPEC": "C:\\Windows\\system32\\cmd.exe",
+    "PATHEXT": ".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.CPL",
+    "NUMBER_OF_PROCESSORS": "4",
+    "PROCESSOR_ARCHITECTURE": "AMD64",
+    "OS": "Windows_NT",
+    "PATH": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-selection-stage-44095f7;C:\\Windows\\System32;C:\\Windows",
+    "USERPROFILE": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile",
+    "HOMEDRIVE": "C:",
+    "HOMEPATH": "\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile",
+    "LOCALAPPDATA": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile\\AppData\\Local",
+    "APPDATA": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\profile\\AppData\\Roaming",
+    "TEMP": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\temp",
+    "TMP": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\temp"
+  },
+  "stage_manifest": {
+    "bytes": 195529,
+    "sha256": "e99a1362bd5f6e735d151bace28b523073a416a6405c4b9eb2d4a686ac72634e"
+  },
+  "config": {
+    "bytes": 41465,
+    "sha256": "0deb4aec185c28edefe8697233e5fb815a7749e0080ff3e0beb8e8d77deced9a"
+  },
+  "helper": {
+    "bytes": 29778,
+    "sha256": "0bc470a1e04a324581cd930412f845fabbca5d1de20ea1f79ea0680e57252a25"
+  },
+  "pid": 6772,
+  "spawned_utc": "2026-09-13T07:57:49.193533+00:00",
+  "gui": {
+    "bytes": 117171712,
+    "sha256": "95f0c3e9ea1521dbc555e5330f26e105bd9065b9fb4207980f6d7ae62d2ef99a"
+  },
+  "runtime": {
+    "bytes": 190464,
+    "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+  }
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/README.md b/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/README.md
new file mode 100644
index 00000000..8afc2a8e
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/README.md
@@ -0,0 +1,62 @@
+# Native lifecycle union fixtures — strong core preflight passed; GUI pending
+
+## Strong actual-core preflight — 2026-09-13 00:14 UTC
+
+The unchanged prepared `preflight.rs` compiled with Rust edition 2024, `-D warnings` and the documented LLVM-MinGW linker, then passed on the unchanged fixture. Build and run both exited 0. See [build/provenance receipt](strong-preflight-d61-r1/build.json), [run receipt](strong-preflight-d61-r1/run.json), [full assertion result and diagnostics](strong-preflight-d61-r1/run.stdout.log), and [exact verified core/config/lock inputs](strong-preflight-d61-r1/verified-core-config-inputs.json). Compiler and runtime stderr were empty. The executable SHA-256 is `d5d1d6c547c0e0a8a4fe1e64b2fd1023017596eefe6ca499c7159051f95395b7`.
+
+The existing `liboa_core-145180297aa692e4.rlib` SHA-256 `d395dbe1f761d41bce3cb850f44cdc0343b0db172bd03abf89e455c44f4b7e86` matches its identified prior425 build receipt. All 110 scoped core/configuration/lock inputs match both the prior425 and closed d61 full gate manifests, and the current committed `aadc6396d39ff336d05381d58d545093d3f37a73` core/configuration has no tracked or untracked changes. The closed d61 gate source is `d61f1f38779ab70a77efcde523ae31c432aefcfd`. No core rebuild or newest-artifact substitution occurred. The exact driver, probe, fixture snapshot, earlier build receipt, commands and tool hashes are preserved in the new result directory.
+
+Executed assertions establish: six scenarios, 61 elements, five relations, zero Errors and 18 completeness warnings; ordinary candidate admission; exact original SourceBundle preservation including comments/Unicode/IDs; complete Project equality through canonical format/parse and formatting stability; all six root step orders; all eight carried pressure values; four SA invocation/allocation/caller/provider proofs; and the intentional incomplete Reply sender/receiver/correlation tuple. Native geometry, pixels, selection, save/reopen interaction, focus and monitor appearance remain pending. The compiler lease was explicitly closed after this run; this helper does not establish desktop-renderer or release acceptance.
+
+## Preliminary admission receipt — 2026-09-13 00:04 UTC
+
+The existing identified core oracle passed `same lifecycle-native.arcadia lifecycle-native.arcadia`, exit 0. See [exact command, identities and exit](preliminary-admission-42511f0-r2/run.json), [stdout](preliminary-admission-42511f0-r2/stdout.log), and [all diagnostics](preliminary-admission-42511f0-r2/stderr.log). Each of its two independent loads reported 18 warnings: 15 `missing_exchange`, one `missing_lifeline`, and two `unallocated_leaf`; no Errors. The fixture SHA-256 remained `998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f`.
+
+The executable SHA-256 `9796aa73544c6414003e6230a668a6cf1435978a310187ef2560af67e35f3466` and compiled oracle source SHA-256 `fbc001a3c14d075fa9d5fce90188cc06055c12b02d4c5929818ac4325fb82c5e` were verified against its original build receipt before execution. Core identity is `42511f0f8ae46f29e11ae18c1030face654c2994`. [Preserved inputs and original build receipt](preliminary-admission-42511f0-r1/run.json) accompany byte-for-byte fixture and oracle source snapshots in that directory. The first launch exited `-1073741515` (`0xC0000135`) with empty output before admission; the successful second launch prepended the repository's documented LLVM-MinGW runtime directory to this process's PATH. Runtime DLL hashes and the exact PATH prefix are in r2. No executable was replaced or rebuilt.
+
+Source review confirms `same` calls full source-project discovery/load, rejects discovery Errors and detached buffers, calls `compile_bundle` without allowing migration/normalization, and calls `validate_candidate` on the entire decoded Project. It then compares the complete Project and exact SourceBundle. The self-comparison establishes parse/source/model admission with that identified core; its identity comparison is tautological and **does not establish canonical roundtrip, execute `preflight.rs` assertions, validate the updated desktop renderer, or establish GUI acceptance**. At that preliminary checkpoint, the stronger checks were pending; the subsequent stronger core run is recorded above. The source-preparation notes below describe the earlier preparation stage.
+
+The unchanged `lifecycle-native.arcadia` is now ready for the parent's native acceptance workflow after the successful core preflight. This is one project containing six small scenarios, 61 elements and five relations. `identities.tsv` gives every scenario, lifeline and occurrence alias/UUID. IDs use the new deterministic namespace `21c0fe00-0000-4000-8000-...`; the last 12 hex digits encode the alias's decimal suffix. Source comments include Ω, 戻り値, a combining-accent `é`, and `👩‍🔧` for exact save/reopen retention.
+
+Target renderer source: reviewed union `f6595ebf66e88ec42c37b5c1a3c014f5e52cb32d`, before any later root corrections. The fixture was newly authored source; validation of the earlier bound-call artifact was not reused as proof for this edited project. No compiler, fixture execution, native interaction, Gitea mutation or root tracked edit was performed during preparation. Standalone rustfmt only parsed/formatted `preflight.rs`.
+
+## Contents and expected geometry
+
+The coordinates below are **source-derived world-coordinate expectations**, not measured screen pixels. At the current Scene layout, L1 is x=160 and L2 is x=400. Pan, Fit and zoom transform these coordinates. Marker capsules are 140×28, centered on L2. Activation bars use the reviewed 12-unit width/6-unit nesting offset; these are current implementation checks, not new permanent specification dimensions.
+
+| Scenario / owner alias | Ordered events | Expected result |
+| --- | --- | --- |
+| **OA 1 Nested lifetime — Latin** / `bound_1000` | Create1005, C1=1040, C2=1030, R2=1060, R1=1050, Delete1070 | Rows148,240,332,424,516,608. L2 alive148–608. Outer C1 rectangle x394,y240,w12,h276; inner C2 x400,y332,w12,h92. Calls end and replies start on their corresponding left activation edges. Create ends x330,y148 at capsule edge; Delete ends x400,y608 at cross. No unanswered cue. |
+| **SA 2 Nested lifetime — Unicode** / `bound_2000` | Create2005, C1=2040, C2=2030, R2=2060, R1=2050, Delete2070 | Same rows and activation geometry as OA. Four Call/Reply messages retain the exact synchronous interface-operation allocation `bound_220`, caller port202, provider port203 and carried values. |
+| **OA 3 Self lifecycle and call** / `bound_3000` | Action3010, self-Create3020, self-Call3040, self-Reply3050, self-Delete3070 | Action row148, box bottom193. Self-Create marker row259, send235, label207; it clears the action. Self-Call send351, receive375; bar begins375. Self-Reply send443, receive467; bar ends443. Self-Delete send527, marker receive551. Execution x394,y375,w12,h68. Self-Call points `(400,351),(466,351),(466,375),(406,375)`; self-Reply `(406,443),(466,443),(466,467),(400,467)`. Create elbow is x512 and ends on capsule right edge470; Delete elbow512 returns to lane400. |
+| **OA 4 Death in one ALT operand** / `bound_4000` | Call4040; ALT4080: left4081 contains Delete4070, right4082 is empty | Preserve parent pre-frame activation, a left piece ending at Delete with Terminated metadata, and a separate 26-unit open right piece. No definite post-frame activation. The death path, empty open sibling and uncertain parent retain distinct cues. Source-derived rows: Call148, frame240, Delete385; left scope starts343, right525; right open piece525–551. |
+| **SA 5 Death and incomplete reply** / `bound_5000` | Call5040, Delete5070, incomplete Reply5050 | Call row148 to death240. One terminated execution and unanswered cue. Reply row332 is a repair card: sender is intentionally absent, receiver5001 and reply_to5040 remain. It must not become a detached Reply arrow or fabricate an answered execution. |
+| **SA 6 Unresolved lifetime, visible cue** / `bound_6000` | ALT6080: left6081 Create6005, right6082 Call6040 | Exclusive operands share conservative entry state. Create marker is visible in left; right lifetime is unresolved. The right Call remains visible and lane-anchored, with an unanswered cue even though there is no activation rectangle. Source-derived Create row293, Call475; cue around y494. |
+
+The first two cases intentionally retain C2's numerically lower UUID despite C1 appearing first in semantic `steps`, exercising order independence. C1 input is420.0 kPa, R1 return418.0; C2 input380.0, R2 return378.0. OA calls use the actual Interaction/Operation-item contract; SA calls use the concrete BoundaryExchange, required/provided interfaces and synchronous operation allocation copied from the earlier bound fixture. Lifecycle Create/Delete messages and the self/incomplete cases intentionally have no exchange/operation binding; they are draft-capable, explicitly identified lifeline events with expected completeness warnings.
+
+Long-name witnesses are in both the actual lifeline/capsule name and represented activity/system detail. OA uses wide Latin `W` glyphs; SA uses long CJK text and an emoji ZWJ sequence; the self case includes combining accents. Full names should remain in Properties/source while painted text stays inside its padded header/capsule clip.
+
+## Admission and round-trip expectations
+
+At source preparation, the fixture was checked against the actual constructors/tests and core rules. The stronger executed checks are recorded above:
+
+- Bound contracts and original Call/Reply values derive from `.local/native-qa/bound-nested-fixture-r1-20260912/bound-nested-calls.arcadia`; that earlier artifact's validation does **not** validate this edited project.
+- Model shape and admitted lifetime cases follow `scenario_lifecycle/render_tests.rs` and `union_tests.rs` at f659. The source notation uses the same Exchange, Action, Fragment and Branch variants as their actual core constructors.
+- Core `validation.rs:1766–1791` rejects explicit receiver use before Create or after Delete. These fixtures contain no such same-path use. The self scenario's preceding Action uses L1, not the created L2. In SA5, the later Reply's dead sender endpoint is absent. In SA6, Create and Call occupy distinct exclusive ALT operands; `possibly_before` treats them as mutually exclusive.
+- Each reply names its guaranteed earlier call and reverses the known endpoints; missing endpoints remain missing. No recreated-after-death or fully bound late-reply invalid model is included.
+- Expect **zero Errors**, with completeness warnings from deliberately unbound messages, unfinished calls and draft endpoint/analysis fields. Do not hide warnings or report this as a complete system design.
+- Require actual source-project admission, exact original bundle equality (comments/Unicode/explicit IDs), complete Project equality through canonical format/parse, and canonical formatting stability. Compare all fields, not just scenario steps.
+
+`preflight.rs` is the standalone actual-core check now compiled and executed successfully as recorded above. It reads only the source, performs those checks, verifies all six root step orders and the eight preserved pressure values, and resolves all four SA messages to the exact Call/allocation/ports. It prints diagnostics and a PASS line only after every assertion succeeds; it writes no files. A future rerun must preserve a new receipt label and retain exact dependency provenance.
+
+## Native acceptance checklist
+
+Use the named scenarios in Behavior. Check normal-scale and Fit appearance; compare selected and unselected bars and each exposed shoulder, including the three label-backplate bands above nested C2/R2/R1. Exact message/arrow points must still select their own occurrence. Birth capsules and death crosses must select their Create/Delete IDs at pan/zoom. Confirm the long header/capsule labels are clipped without text leaking outside or disappearing after pan, and self-event captions clear the preceding Action. In Properties, inspect pressure values/correlations and the intentionally missing SA5 sender.
+
+For ALT cases, do not interpret vertically stacked operands as consecutive execution. Check each operand and the uncertain continuation independently. Save/reopen a writable acceptance copy and compare the complete Project and original comments/Unicode. This fixture does not establish free positioning, min-scale shoulder usability, global palette improvement, platform completion, or release acceptance; those retain their separate gates.
+
+Source identity before root execution:
+
+- `lifecycle-native.arcadia`: SHA-256 `998A2FD3E2474E72FC013F4DA422E49BAD61E118DE62ECCFBD71BF06B863CE7F`.
+- `preflight.rs`: SHA-256 `BF2EB9B908AE36198D15D47AE79D56E4BB181F506598CC4E76A76175041F633E`.
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/identities.tsv b/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/identities.tsv
new file mode 100644
index 00000000..273eb37a
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/identities.tsv
@@ -0,0 +1,49 @@
+alias	id	kind	name
+bound_1000	21c0fe00-0000-4000-8000-0000000003e8	oa_scenario	OA 1 Nested lifetime — Latin
+bound_1001	21c0fe00-0000-4000-8000-0000000003e9	oa_lifeline	L1 Console
+bound_1002	21c0fe00-0000-4000-8000-0000000003ea	oa_lifeline	L2 WWWWWWWWWWWWWWWWWW Inspector
+bound_1005	21c0fe00-0000-4000-8000-0000000003ed	oa_occurrence	Create inspector
+bound_1030	21c0fe00-0000-4000-8000-000000000406	oa_occurrence	C2 380 kPa
+bound_1040	21c0fe00-0000-4000-8000-000000000410	oa_occurrence	C1 420 kPa
+bound_1050	21c0fe00-0000-4000-8000-00000000041a	oa_occurrence	R1 418 kPa
+bound_1060	21c0fe00-0000-4000-8000-000000000424	oa_occurrence	R2 378 kPa
+bound_1070	21c0fe00-0000-4000-8000-00000000042e	oa_occurrence	Delete inspector
+bound_2000	21c0fe00-0000-4000-8000-0000000007d0	sa_scenario	SA 2 Nested lifetime — Unicode
+bound_2001	21c0fe00-0000-4000-8000-0000000007d1	sa_lifeline	L1 Console
+bound_2002	21c0fe00-0000-4000-8000-0000000007d2	sa_lifeline	L2 界界界界界界界界界界界界 戻り値 👩‍🔧
+bound_2005	21c0fe00-0000-4000-8000-0000000007d5	sa_occurrence	Create inspector
+bound_2030	21c0fe00-0000-4000-8000-0000000007ee	sa_occurrence	C2 380 kPa
+bound_2040	21c0fe00-0000-4000-8000-0000000007f8	sa_occurrence	C1 420 kPa
+bound_2050	21c0fe00-0000-4000-8000-000000000802	sa_occurrence	R1 418 kPa
+bound_2060	21c0fe00-0000-4000-8000-00000000080c	sa_occurrence	R2 378 kPa
+bound_2070	21c0fe00-0000-4000-8000-000000000816	sa_occurrence	Delete inspector
+bound_3000	21c0fe00-0000-4000-8000-000000000bb8	oa_scenario	OA 3 Self lifecycle and call
+bound_3001	21c0fe00-0000-4000-8000-000000000bb9	oa_lifeline	L1 Creator
+bound_3002	21c0fe00-0000-4000-8000-000000000bba	oa_lifeline	L2 自己検査 é é é 👩‍🔧 確認担当
+bound_3010	21c0fe00-0000-4000-8000-000000000bc2	oa_occurrence	Prepare creation
+bound_3020	21c0fe00-0000-4000-8000-000000000bcc	oa_occurrence	Self create
+bound_3040	21c0fe00-0000-4000-8000-000000000be0	oa_occurrence	Self call
+bound_3050	21c0fe00-0000-4000-8000-000000000bea	oa_occurrence	Self reply
+bound_3070	21c0fe00-0000-4000-8000-000000000bfe	oa_occurrence	Self delete
+bound_4000	21c0fe00-0000-4000-8000-000000000fa0	oa_scenario	OA 4 Death in one ALT operand
+bound_4001	21c0fe00-0000-4000-8000-000000000fa1	oa_lifeline	L1 Requester
+bound_4002	21c0fe00-0000-4000-8000-000000000fa2	oa_lifeline	L2 Conditional inspector
+bound_4040	21c0fe00-0000-4000-8000-000000000fc8	oa_occurrence	Unanswered call
+bound_4070	21c0fe00-0000-4000-8000-000000000fe6	oa_occurrence	Delete without reply
+bound_4080	21c0fe00-0000-4000-8000-000000000ff0	oa_occurrence	Delete or keep alive
+bound_4081	21c0fe00-0000-4000-8000-000000000ff1	oa_occurrence	Delete path
+bound_4082	21c0fe00-0000-4000-8000-000000000ff2	oa_occurrence	Open path
+bound_5000	21c0fe00-0000-4000-8000-000000001388	sa_scenario	SA 5 Death and incomplete reply
+bound_5001	21c0fe00-0000-4000-8000-000000001389	sa_lifeline	L1 Requester
+bound_5002	21c0fe00-0000-4000-8000-00000000138a	sa_lifeline	L2 Terminated service
+bound_5040	21c0fe00-0000-4000-8000-0000000013b0	sa_occurrence	Unanswered call
+bound_5050	21c0fe00-0000-4000-8000-0000000013ba	sa_occurrence	Incomplete reply — no sender
+bound_5070	21c0fe00-0000-4000-8000-0000000013ce	sa_occurrence	Delete service
+bound_6000	21c0fe00-0000-4000-8000-000000001770	sa_scenario	SA 6 Unresolved lifetime, visible cue
+bound_6001	21c0fe00-0000-4000-8000-000000001771	sa_lifeline	L1 Requester
+bound_6002	21c0fe00-0000-4000-8000-000000001772	sa_lifeline	L2 Unresolved service
+bound_6005	21c0fe00-0000-4000-8000-000000001775	sa_occurrence	Create service
+bound_6040	21c0fe00-0000-4000-8000-000000001798	sa_occurrence	Call with unresolved lifetime
+bound_6080	21c0fe00-0000-4000-8000-0000000017c0	sa_occurrence	Birth is path dependent
+bound_6081	21c0fe00-0000-4000-8000-0000000017c1	sa_occurrence	Create path
+bound_6082	21c0fe00-0000-4000-8000-0000000017c2	sa_occurrence	Call path
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/lifecycle-native.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/lifecycle-native.arcadia
new file mode 100644
index 00000000..bee722f7
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/lifecycle-native.arcadia
@@ -0,0 +1,809 @@
+// Source-only fixture: validation and native acceptance have NOT been executed.
+// Preserve this comment and Unicode Ω, 戻り値, é and 👩‍🔧 during save/reopen.
+arcadia 7;
+project lifecycle_native "Nested lifecycle union acceptance" id "21c0fe00-0000-4000-8000-000000000001" {
+    description "Six compact scenarios for typed activations, birth/death, long labels and admitted incomplete paths. Fixture preparation is source review only; run preflight before native acceptance.";
+
+    oa_activity bound_100 "Review pressure demand" id "21c0fe00-0000-4000-8000-000000000064" {
+        description "";
+        parent none;
+    }
+
+    oa_activity bound_101 "WWWWWWWWWWWWWWWWWW pressure inspection activity" id "21c0fe00-0000-4000-8000-000000000065" {
+        description "";
+        parent none;
+    }
+
+    oa_exchange_item bound_110 "Check pressure" id "21c0fe00-0000-4000-8000-00000000006e" {
+        description "";
+        kind Information;
+        mechanism Operation;
+        parent none;
+        supertype none;
+    }
+
+    oa_data_field bound_111 "requested_pressure" id "21c0fe00-0000-4000-8000-00000000006f" {
+        default none;
+        description "";
+        direction In;
+        maximum 1;
+        minimum 1;
+        parent @bound_110;
+        storage Value;
+        type_ref Real;
+        unit "kPa";
+    }
+
+    oa_data_field bound_112 "measured_pressure" id "21c0fe00-0000-4000-8000-000000000070" {
+        default none;
+        description "";
+        direction Return;
+        maximum 1;
+        minimum 1;
+        parent @bound_110;
+        storage Value;
+        type_ref Real;
+        unit "kPa";
+    }
+
+    interaction bound_120 "Pressure check" id "21c0fe00-0000-4000-8000-000000000078" {
+        description "";
+        items [@bound_110];
+        source @bound_100;
+        target @bound_101;
+    }
+
+    sa_actor bound_200 "Operator console" id "21c0fe00-0000-4000-8000-0000000000c8" {
+        description "";
+        parent none;
+    }
+
+    sa_system bound_201 "界界界界界界界界界界界界 圧力確認サービス 👩‍🔧" id "21c0fe00-0000-4000-8000-0000000000c9" {
+        description "";
+        parent none;
+    }
+
+    sa_port bound_202 "Client socket" id "21c0fe00-0000-4000-8000-0000000000ca" {
+        contract {
+            Component {
+                kind Standard;
+                orientation Unset;
+            };
+        };
+        description "";
+        legacy none;
+        parent @bound_200;
+    }
+
+    sa_port bound_203 "Service socket" id "21c0fe00-0000-4000-8000-0000000000cb" {
+        contract {
+            Component {
+                kind Standard;
+                orientation Unset;
+            };
+        };
+        description "";
+        legacy none;
+        parent @bound_201;
+    }
+
+    sa_exchange_item bound_210 "Check pressure" id "21c0fe00-0000-4000-8000-0000000000d2" {
+        description "";
+        kind Information;
+        mechanism Operation;
+        parent none;
+        supertype none;
+    }
+
+    sa_data_field bound_211 "requested_pressure" id "21c0fe00-0000-4000-8000-0000000000d3" {
+        default none;
+        description "";
+        direction In;
+        maximum 1;
+        minimum 1;
+        parent @bound_210;
+        storage Value;
+        type_ref Real;
+        unit "kPa";
+    }
+
+    sa_data_field bound_212 "measured_pressure" id "21c0fe00-0000-4000-8000-0000000000d4" {
+        default none;
+        description "";
+        direction Return;
+        maximum 1;
+        minimum 1;
+        parent @bound_210;
+        storage Value;
+        type_ref Real;
+        unit "kPa";
+    }
+
+    sa_interface bound_213 "Pressure check API" id "21c0fe00-0000-4000-8000-0000000000d5" {
+        description "";
+        parent none;
+        supertype none;
+    }
+
+    interface_item_allocation bound_220 "Synchronous pressure check" id "21c0fe00-0000-4000-8000-0000000000dc" {
+        acquisition Unspecified;
+        description "";
+        order 0;
+        source @bound_213;
+        target @bound_210;
+        transmission Synchronous;
+    }
+
+    interface_requirement bound_221 "Console requires check" id "21c0fe00-0000-4000-8000-0000000000dd" {
+        description "";
+        source @bound_202;
+        target @bound_213;
+    }
+
+    interface_provision bound_222 "Service provides check" id "21c0fe00-0000-4000-8000-0000000000de" {
+        description "";
+        source @bound_203;
+        target @bound_213;
+    }
+
+    boundary_exchange bound_223 "Pressure channel" id "21c0fe00-0000-4000-8000-0000000000df" {
+        description "";
+        items [@bound_210];
+        oriented false;
+        source @bound_202;
+        target @bound_203;
+    }
+
+    oa_scenario bound_1000 "OA 1 Nested lifetime — Latin" id "21c0fe00-0000-4000-8000-0000000003e8" {
+        context none;
+        description "";
+        parent none;
+        postcondition "Each reply retains its own requested and measured values";
+        precondition "Two pressure checks are reviewed before the outer reply";
+        steps [@bound_1005, @bound_1040, @bound_1030, @bound_1060, @bound_1050, @bound_1070];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline bound_1001 "L1 Console" id "21c0fe00-0000-4000-8000-0000000003e9" {
+        description "";
+        parent @bound_1000;
+        represented @bound_100;
+    }
+
+    oa_lifeline bound_1002 "L2 WWWWWWWWWWWWWWWWWW Inspector" id "21c0fe00-0000-4000-8000-0000000003ea" {
+        description "";
+        parent @bound_1000;
+        represented @bound_101;
+    }
+
+    oa_occurrence bound_1005 "Create inspector" id "21c0fe00-0000-4000-8000-0000000003ed" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Create;
+                receiver @bound_1002;
+                reply_to none;
+                sender @bound_1001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1030 "C2 380 kPa" id "21c0fe00-0000-4000-8000-000000000406" {
+        body {
+            Exchange {
+                exchange @bound_120;
+                message_kind Call;
+                receiver @bound_1002;
+                reply_to none;
+                sender @bound_1001;
+                values [{
+                    expression "380.0";
+                    field @bound_111;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1040 "C1 420 kPa" id "21c0fe00-0000-4000-8000-000000000410" {
+        body {
+            Exchange {
+                exchange @bound_120;
+                message_kind Call;
+                receiver @bound_1002;
+                reply_to none;
+                sender @bound_1001;
+                values [{
+                    expression "420.0";
+                    field @bound_111;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1050 "R1 418 kPa" id "21c0fe00-0000-4000-8000-00000000041a" {
+        body {
+            Exchange {
+                exchange @bound_120;
+                message_kind Reply;
+                receiver @bound_1001;
+                reply_to @bound_1040;
+                sender @bound_1002;
+                values [{
+                    expression "418.0";
+                    field @bound_112;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1060 "R2 378 kPa" id "21c0fe00-0000-4000-8000-000000000424" {
+        body {
+            Exchange {
+                exchange @bound_120;
+                message_kind Reply;
+                receiver @bound_1001;
+                reply_to @bound_1030;
+                sender @bound_1002;
+                values [{
+                    expression "378.0";
+                    field @bound_112;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_1070 "Delete inspector" id "21c0fe00-0000-4000-8000-00000000042e" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_1002;
+                reply_to none;
+                sender @bound_1001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_1000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_scenario bound_2000 "SA 2 Nested lifetime — Unicode" id "21c0fe00-0000-4000-8000-0000000007d0" {
+        context none;
+        description "";
+        parent none;
+        postcondition "Each reply retains its own requested and measured values";
+        precondition "Two pressure checks are reviewed before the outer reply";
+        steps [@bound_2005, @bound_2040, @bound_2030, @bound_2060, @bound_2050, @bound_2070];
+        viewpoint BoundaryInterface;
+    }
+
+    sa_lifeline bound_2001 "L1 Console" id "21c0fe00-0000-4000-8000-0000000007d1" {
+        description "";
+        parent @bound_2000;
+        represented @bound_200;
+    }
+
+    sa_lifeline bound_2002 "L2 界界界界界界界界界界界界 戻り値 👩‍🔧" id "21c0fe00-0000-4000-8000-0000000007d2" {
+        description "";
+        parent @bound_2000;
+        represented @bound_201;
+    }
+
+    sa_occurrence bound_2005 "Create inspector" id "21c0fe00-0000-4000-8000-0000000007d5" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Create;
+                receiver @bound_2002;
+                reply_to none;
+                sender @bound_2001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2030 "C2 380 kPa" id "21c0fe00-0000-4000-8000-0000000007ee" {
+        body {
+            Exchange {
+                exchange @bound_223;
+                message_kind Call;
+                operation {
+                    allocation @bound_220;
+                };
+                receiver @bound_2002;
+                reply_to none;
+                sender @bound_2001;
+                values [{
+                    expression "380.0";
+                    field @bound_211;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2040 "C1 420 kPa" id "21c0fe00-0000-4000-8000-0000000007f8" {
+        body {
+            Exchange {
+                exchange @bound_223;
+                message_kind Call;
+                operation {
+                    allocation @bound_220;
+                };
+                receiver @bound_2002;
+                reply_to none;
+                sender @bound_2001;
+                values [{
+                    expression "420.0";
+                    field @bound_211;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2050 "R1 418 kPa" id "21c0fe00-0000-4000-8000-000000000802" {
+        body {
+            Exchange {
+                exchange @bound_223;
+                message_kind Reply;
+                receiver @bound_2001;
+                reply_to @bound_2040;
+                sender @bound_2002;
+                values [{
+                    expression "418.0";
+                    field @bound_212;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2060 "R2 378 kPa" id "21c0fe00-0000-4000-8000-00000000080c" {
+        body {
+            Exchange {
+                exchange @bound_223;
+                message_kind Reply;
+                receiver @bound_2001;
+                reply_to @bound_2030;
+                sender @bound_2002;
+                values [{
+                    expression "378.0";
+                    field @bound_212;
+                    path [];
+                }];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_2070 "Delete inspector" id "21c0fe00-0000-4000-8000-000000000816" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_2002;
+                reply_to none;
+                sender @bound_2001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_2000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_scenario bound_3000 "OA 3 Self lifecycle and call" id "21c0fe00-0000-4000-8000-000000000bb8" {
+        context none;
+        description "Native lifecycle union acceptance fixture; completeness warnings are intentional.";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@bound_3010, @bound_3020, @bound_3040, @bound_3050, @bound_3070];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline bound_3001 "L1 Creator" id "21c0fe00-0000-4000-8000-000000000bb9" {
+        description "";
+        parent @bound_3000;
+        represented @bound_100;
+    }
+
+    oa_lifeline bound_3002 "L2 自己検査 é é é 👩‍🔧 確認担当" id "21c0fe00-0000-4000-8000-000000000bba" {
+        description "";
+        parent @bound_3000;
+        represented @bound_101;
+    }
+
+    oa_occurrence bound_3010 "Prepare creation" id "21c0fe00-0000-4000-8000-000000000bc2" {
+        body {
+            Action {
+                action @bound_100;
+                lifeline @bound_3001;
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_3020 "Self create" id "21c0fe00-0000-4000-8000-000000000bcc" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Create;
+                receiver @bound_3002;
+                reply_to none;
+                sender @bound_3002;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_3040 "Self call" id "21c0fe00-0000-4000-8000-000000000be0" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Call;
+                receiver @bound_3002;
+                reply_to none;
+                sender @bound_3002;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_3050 "Self reply" id "21c0fe00-0000-4000-8000-000000000bea" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Reply;
+                receiver @bound_3002;
+                reply_to @bound_3040;
+                sender @bound_3002;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_3070 "Self delete" id "21c0fe00-0000-4000-8000-000000000bfe" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_3002;
+                reply_to none;
+                sender @bound_3002;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_3000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_scenario bound_4000 "OA 4 Death in one ALT operand" id "21c0fe00-0000-4000-8000-000000000fa0" {
+        context none;
+        description "Native lifecycle union acceptance fixture; completeness warnings are intentional.";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@bound_4040, @bound_4080];
+        viewpoint OperationalActivity;
+    }
+
+    oa_lifeline bound_4001 "L1 Requester" id "21c0fe00-0000-4000-8000-000000000fa1" {
+        description "";
+        parent @bound_4000;
+        represented @bound_100;
+    }
+
+    oa_lifeline bound_4002 "L2 Conditional inspector" id "21c0fe00-0000-4000-8000-000000000fa2" {
+        description "";
+        parent @bound_4000;
+        represented @bound_101;
+    }
+
+    oa_occurrence bound_4040 "Unanswered call" id "21c0fe00-0000-4000-8000-000000000fc8" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Call;
+                receiver @bound_4002;
+                reply_to none;
+                sender @bound_4001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_4000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_4070 "Delete without reply" id "21c0fe00-0000-4000-8000-000000000fe6" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_4002;
+                reply_to none;
+                sender @bound_4001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_4081;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_4080 "Delete or keep alive" id "21c0fe00-0000-4000-8000-000000000ff0" {
+        body {
+            Fragment {
+                operator Alternative;
+                branches [@bound_4081, @bound_4082];
+            };
+        };
+        description "";
+        parent @bound_4000;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_4081 "Delete path" id "21c0fe00-0000-4000-8000-000000000ff1" {
+        body {
+            Branch {
+                guard "shutdown";
+                occurrences [@bound_4070];
+            };
+        };
+        description "";
+        parent @bound_4080;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence bound_4082 "Open path" id "21c0fe00-0000-4000-8000-000000000ff2" {
+        body {
+            Branch {
+                guard "continue";
+                occurrences [];
+            };
+        };
+        description "";
+        parent @bound_4080;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_scenario bound_5000 "SA 5 Death and incomplete reply" id "21c0fe00-0000-4000-8000-000000001388" {
+        context none;
+        description "Native lifecycle union acceptance fixture; completeness warnings are intentional.";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@bound_5040, @bound_5070, @bound_5050];
+        viewpoint BoundaryInterface;
+    }
+
+    sa_lifeline bound_5001 "L1 Requester" id "21c0fe00-0000-4000-8000-000000001389" {
+        description "";
+        parent @bound_5000;
+        represented @bound_200;
+    }
+
+    sa_lifeline bound_5002 "L2 Terminated service" id "21c0fe00-0000-4000-8000-00000000138a" {
+        description "";
+        parent @bound_5000;
+        represented @bound_201;
+    }
+
+    sa_occurrence bound_5040 "Unanswered call" id "21c0fe00-0000-4000-8000-0000000013b0" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Call;
+                receiver @bound_5002;
+                reply_to none;
+                sender @bound_5001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_5000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_5050 "Incomplete reply — no sender" id "21c0fe00-0000-4000-8000-0000000013ba" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Reply;
+                receiver @bound_5001;
+                reply_to @bound_5040;
+                sender none;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_5000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_5070 "Delete service" id "21c0fe00-0000-4000-8000-0000000013ce" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Delete;
+                receiver @bound_5002;
+                reply_to none;
+                sender @bound_5001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_5000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_scenario bound_6000 "SA 6 Unresolved lifetime, visible cue" id "21c0fe00-0000-4000-8000-000000001770" {
+        context none;
+        description "Native lifecycle union acceptance fixture; completeness warnings are intentional.";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@bound_6080];
+        viewpoint BoundaryInterface;
+    }
+
+    sa_lifeline bound_6001 "L1 Requester" id "21c0fe00-0000-4000-8000-000000001771" {
+        description "";
+        parent @bound_6000;
+        represented @bound_200;
+    }
+
+    sa_lifeline bound_6002 "L2 Unresolved service" id "21c0fe00-0000-4000-8000-000000001772" {
+        description "";
+        parent @bound_6000;
+        represented @bound_201;
+    }
+
+    sa_occurrence bound_6005 "Create service" id "21c0fe00-0000-4000-8000-000000001775" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Create;
+                receiver @bound_6002;
+                reply_to none;
+                sender @bound_6001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_6081;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_6040 "Call with unresolved lifetime" id "21c0fe00-0000-4000-8000-000000001798" {
+        body {
+            Exchange {
+                exchange none;
+                message_kind Call;
+                receiver @bound_6002;
+                reply_to none;
+                sender @bound_6001;
+                values [];
+            };
+        };
+        description "";
+        parent @bound_6082;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_6080 "Birth is path dependent" id "21c0fe00-0000-4000-8000-0000000017c0" {
+        body {
+            Fragment {
+                operator Alternative;
+                branches [@bound_6081, @bound_6082];
+            };
+        };
+        description "";
+        parent @bound_6000;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_6081 "Create path" id "21c0fe00-0000-4000-8000-0000000017c1" {
+        body {
+            Branch {
+                guard "start new";
+                occurrences [@bound_6005];
+            };
+        };
+        description "";
+        parent @bound_6080;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence bound_6082 "Call path" id "21c0fe00-0000-4000-8000-0000000017c2" {
+        body {
+            Branch {
+                guard "use existing";
+                occurrences [@bound_6040];
+            };
+        };
+        description "";
+        parent @bound_6080;
+        postcondition "";
+        precondition "";
+    }
+}
+
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/preflight.rs b/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/preflight.rs
new file mode 100644
index 00000000..a9f65d37
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/lifecycle-baseline/preflight.rs
@@ -0,0 +1,116 @@
+//! Source-only preflight; parent compiles/runs this against its exact oa-core.
+//! Usage: preflight.exe PATH_TO_lifecycle-native.arcadia
+use oa_core::{operations, source_project, validation, *};
+use std::collections::BTreeMap;
+
+fn id(n: u128) -> Id {
+    Id::from_u128(0x21c0fe00000040008000000000000000 + n)
+}
+fn main() {
+    let args: Vec<_> = std::env::args().collect();
+    assert_eq!(args.len(), 2, "Pass the prepared source file");
+    let source = std::fs::read_to_string(&args[1]).unwrap();
+    let p = language::parse(&source).expect("Prepared source must parse through actual core");
+    let issues = validation::validate(&p);
+    let errors: Vec<_> = issues
+        .iter()
+        .filter(|issue| issue.severity == validation::Severity::Error)
+        .collect();
+    assert!(errors.is_empty(), "Fixture admission failed: {errors:#?}");
+    validate_candidate(&p).expect("Ordinary command admission must accept the whole Project");
+    let bundle = source_project::SourceBundle {
+        entry: "lifecycle-native.arcadia".into(),
+        files: BTreeMap::from([("lifecycle-native.arcadia".into(), source.clone())]),
+    };
+    let compiled = source_project::compile_bundle(&bundle, Default::default())
+        .expect("Use the actual source-project admission path");
+    assert_eq!(
+        compiled.bundle, bundle,
+        "Keep comments, Unicode and all explicit IDs byte-for-byte"
+    );
+    assert_eq!(compiled.decoded.project, p);
+    let canonical = language::format(&p);
+    let reparsed = language::parse(&canonical).unwrap();
+    assert_eq!(
+        reparsed, p,
+        "Compare the entire Project, not selected elements"
+    );
+    assert_eq!(language::format(&reparsed), canonical);
+    assert_eq!(p.elements.len(), 61);
+    assert_eq!(p.relations.len(), 5);
+    for (owner, steps) in [
+        (1000, vec![1005, 1040, 1030, 1060, 1050, 1070]),
+        (2000, vec![2005, 2040, 2030, 2060, 2050, 2070]),
+        (3000, vec![3010, 3020, 3040, 3050, 3070]),
+        (4000, vec![4040, 4080]),
+        (5000, vec![5040, 5070, 5050]),
+        (6000, vec![6080]),
+    ] {
+        assert_eq!(
+            p.elements[&id(owner)].steps().unwrap(),
+            &steps.into_iter().map(id).collect::<Vec<_>>()
+        );
+    }
+    for base in [1000, 2000] {
+        for (offset, call, expression) in [
+            (40, 40, "420.0"),
+            (30, 30, "380.0"),
+            (60, 30, "378.0"),
+            (50, 40, "418.0"),
+        ] {
+            let occurrence = id(base + offset);
+            let Some(SharedBody::Occurrence {
+                body: OccurrenceBody::Exchange { values, .. },
+                ..
+            }) = p.elements[&occurrence].shared()
+            else {
+                panic!("Expected an exchange occurrence")
+            };
+            assert_eq!(values.len(), 1);
+            assert_eq!(values[0].expression, expression);
+            if base == 2000 {
+                let operations::OperationResolution::Selected(proof) =
+                    operations::resolve(&p, occurrence).unwrap()
+                else {
+                    panic!("SA pressure operation must remain actually bound")
+                };
+                assert_eq!(proof.invocation, id(base + call));
+                assert_eq!(proof.allocation, id(220));
+                assert_eq!(proof.caller_port, id(202));
+                assert_eq!(proof.provider_port, id(203));
+            } else {
+                assert_eq!(
+                    operations::resolve(&p, occurrence).unwrap(),
+                    operations::OperationResolution::Ordinary
+                );
+            }
+        }
+    }
+    let Some(SharedBody::Occurrence {
+        body:
+            OccurrenceBody::Exchange {
+                sender,
+                receiver,
+                reply_to,
+                ..
+            },
+        ..
+    }) = p.elements[&id(5050)].shared()
+    else {
+        panic!("Expected incomplete reply")
+    };
+    assert_eq!(
+        (*sender, *receiver, *reply_to),
+        (None, Some(id(5001)), Some(id(5040)))
+    );
+    for issue in &issues {
+        println!(
+            "{:?} {} {:?}: {}",
+            issue.severity, issue.code, issue.element, issue.message
+        );
+    }
+    println!(
+        "PASS: six scenarios,61 elements,5 relations,zero Errors,{} warnings; exact source bundle and whole-Project roundtrip; bound OA values and SA operation proofs preserved",
+        issues.len()
+    );
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/preparation.json b/harness/experiments/navigation-native-440-20260913/raw/trial/preparation.json
new file mode 100644
index 00000000..8859a91b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/preparation.json
@@ -0,0 +1,106 @@
+{
+  "utc": "2026-09-13T02:56:46.970520+00:00",
+  "scope": "Prepared fixture copies only. Requires future identified union GUI/oracle admission and native acceptance.",
+  "provenance_manifest": {
+    "path": "harness/experiments/canvas-native-dd39e1f-20260913/manifest.json",
+    "sha256": "daffa509094e807f469dbdcc6f517fc3902b3362646f3e502ce789fb5e618eac"
+  },
+  "files": [
+    {
+      "path": "compact-baseline/notes.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/compact-baseline/notes.arcadia",
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    {
+      "path": "compact-work/notes.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/compact-baseline/notes.arcadia",
+      "bytes": 60,
+      "sha256": "adb1445555f1f47cf2ac92e2271e54df7c5d2eaf1d9363fe5a79d02298670a4e"
+    },
+    {
+      "path": "compact-baseline/project.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/compact-baseline/project.arcadia",
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    },
+    {
+      "path": "compact-work/project.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/compact-baseline/project.arcadia",
+      "bytes": 5566,
+      "sha256": "246e7316f3932df2bc64c70459352ecef2a7fe2b5d8ead03d1f5664587c813bf"
+    },
+    {
+      "path": "topology-baseline/project.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/topology-baseline/project.arcadia",
+      "bytes": 13616,
+      "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+    },
+    {
+      "path": "topology-work/project.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/topology-baseline/project.arcadia",
+      "bytes": 13616,
+      "sha256": "5474d8ca05fd1375220dc0ad40d913631fde51159e9632bb9f290d1ecdab8dd7"
+    },
+    {
+      "path": "topology-baseline/rationale.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/topology-baseline/rationale.arcadia",
+      "bytes": 59,
+      "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+    },
+    {
+      "path": "topology-work/rationale.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/topology-baseline/rationale.arcadia",
+      "bytes": 59,
+      "sha256": "e6a600e13036d4ad594a65380ed1b3d82d1772d583041bb0a624c9588a73047a"
+    },
+    {
+      "path": "lifecycle-baseline/identities.tsv",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/lifecycle-baseline/identities.tsv",
+      "bytes": 3891,
+      "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+    },
+    {
+      "path": "lifecycle-work/identities.tsv",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/lifecycle-baseline/identities.tsv",
+      "bytes": 3891,
+      "sha256": "4741e9b4ffd21338834cf757bd2083ff9ef43460bdce55fbba50e6f02a978d76"
+    },
+    {
+      "path": "lifecycle-baseline/lifecycle-native.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/lifecycle-baseline/lifecycle-native.arcadia",
+      "bytes": 23772,
+      "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+    },
+    {
+      "path": "lifecycle-work/lifecycle-native.arcadia",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/lifecycle-baseline/lifecycle-native.arcadia",
+      "bytes": 23772,
+      "sha256": "998a2fd3e2474e72fc013f4da422e49bad61e118de62eccfbd71bf06b863ce7f"
+    },
+    {
+      "path": "lifecycle-baseline/preflight.rs",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/lifecycle-baseline/preflight.rs",
+      "bytes": 4423,
+      "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+    },
+    {
+      "path": "lifecycle-work/preflight.rs",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/lifecycle-baseline/preflight.rs",
+      "bytes": 4423,
+      "sha256": "bf2eb9b908ae36198d15d47ae79d56e4bb181f506598cc4e76a76175041f633e"
+    },
+    {
+      "path": "lifecycle-baseline/README.md",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/lifecycle-baseline/README.md",
+      "bytes": 12852,
+      "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+    },
+    {
+      "path": "lifecycle-work/README.md",
+      "source": "harness/experiments/canvas-native-dd39e1f-20260913/lifecycle-baseline/README.md",
+      "bytes": 12852,
+      "sha256": "b2b28a34c65897a52eb1f5729f6aa834273e9dc9e205600b8e46776a9dcea4b4"
+    }
+  ]
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/reporting.arcadia
new file mode 100644
index 00000000..a413d9ee
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/views.arcadia
new file mode 100644
index 00000000..62d9b5cb
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-baseline/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-example-preparation.json b/harness/experiments/navigation-native-440-20260913/raw/trial/source-example-preparation.json
new file mode 100644
index 00000000..3d9c3669
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-example-preparation.json
@@ -0,0 +1,68 @@
+{
+  "scope": "Copies of actual admitted migration only; no native edits.",
+  "run": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\migrate-example-e124029-r2\\run.json",
+  "run_sha256": "851f140160ce389a4fa5363dd9f37dc65181bdbb66630d87388b700073b92256",
+  "migration": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-example-migration-r2",
+  "files": [
+    {
+      "path": "source-baseline/oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "source-baseline/project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "source-baseline/sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "source-baseline/sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "source-baseline/sa/reporting.arcadia",
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    {
+      "path": "source-baseline/views.arcadia",
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    },
+    {
+      "path": "source-work/oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "source-work/project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "source-work/sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "source-work/sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "source-work/sa/reporting.arcadia",
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    {
+      "path": "source-work/views.arcadia",
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    }
+  ]
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/oa.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/oa.arcadia
new file mode 100644
index 00000000..cc257d81
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/oa.arcadia
@@ -0,0 +1,51 @@
+// Operational Analysis describes the need without choosing a technical solution.
+oa_actor vessel "Vessel in distress" id "00000000-0000-4000-8000-000000000101" {
+    description "The vessel's crew needs to communicate its position and obtain assistance.";
+}
+oa_entity rescue_team "Rescue coordination" id "00000000-0000-4000-8000-000000000102" {
+    description "The coordination team assesses the report and decides on a response.";
+}
+
+// This is work decomposition. It does not assign either activity to a participant.
+oa_activity respond "Respond to distress" id "00000000-0000-4000-8000-000000000103" {
+    // Keep the crew's reporting responsibility visible when decomposing the need.
+    oa_activity report_distress "Report distress" id "00000000-0000-4000-8000-000000000104" {
+        description "Provide the vessel's situation and last known position.";
+    }
+    oa_activity assess_incident "Assess incident" id "00000000-0000-4000-8000-000000000105" {
+        description "Decide which assistance is needed using the received report.";
+    }
+}
+
+oa_capability protect_life "Protect life at sea" id "00000000-0000-4000-8000-000000000106" {}
+oa_exchange_item oa_report_data "Distress report" id "00000000-0000-4000-8000-000000000107" {
+    kind Information;
+    oa_data_field reported_latitude "Reported latitude" id "00000000-0000-4000-8000-000000000108" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+
+// Allocation remains explicit even though the saved architecture view nests work.
+allocation crew_reports "Crew reports distress" id "00000000-0000-4000-8000-000000000201" {
+    source @vessel; target @report_distress;
+}
+allocation team_assesses "Team assesses incident" id "00000000-0000-4000-8000-000000000202" {
+    source @rescue_team; target @assess_incident;
+}
+interaction distress_signal "Distress signal" id "00000000-0000-4000-8000-000000000203" {
+    source @report_distress; target @assess_incident; items [@oa_report_data];
+}
+capability_involvement operational_contribution "Assessment supports rescue" id "00000000-0000-4000-8000-000000000204" {
+    source @assess_incident; target @protect_life;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/project.arcadia
new file mode 100644
index 00000000..caa10202
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/project.arcadia
@@ -0,0 +1,11 @@
+arcadia 7;
+project distress_response "Distress response — nested source project" id "00000000-0000-4000-8000-000000000001" {
+    description "A small OA/SA model for learning source ownership, typed ports and reviewed graphical edits. Open this file. Start with the saved allocation views, then browse Handle distress reports and use Source for selection.";
+
+    // Includes organize documents; aliases are shared by the whole project.
+    include "oa.arcadia";
+    include "sa/participants.arcadia";
+    include "sa/reporting.arcadia";
+    include "sa/assurance.arcadia";
+    include "views.arcadia";
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/assurance.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/assurance.arcadia
new file mode 100644
index 00000000..b9678cbe
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/assurance.arcadia
@@ -0,0 +1,11 @@
+// A separate functional aggregate provides a cross-file reparenting example.
+// Move Assess report here through Properties, then inspect both source files.
+sa_function assure_response "Assure response quality" id "00000000-0000-4000-8000-000000000411" {
+    description "Review the service response independently of report transport.";
+    sa_function review_response "Review response" id "00000000-0000-4000-8000-000000000412" {
+        description "Check that a coordinator can review the received information.";
+    }
+}
+allocation system_reviews "System supports response review" id "00000000-0000-4000-8000-000000000504" {
+    source @rescue_system; target @review_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/participants.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/participants.arcadia
new file mode 100644
index 00000000..cdd7f402
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/participants.arcadia
@@ -0,0 +1,22 @@
+// System Analysis identifies one system of interest and its external participant.
+sa_system rescue_system "Rescue coordination system" id "00000000-0000-4000-8000-000000000301" {
+    description "The selected system receives reports and supports the coordinator.";
+    // A component port belongs to its participant, not to an allocated function.
+    sa_port reporting_input "Reporting input" id "00000000-0000-4000-8000-000000000303" {
+        contract { Component { kind Flow; orientation In; }; };
+    }
+}
+sa_actor vessel_service "Vessel communication service" id "00000000-0000-4000-8000-000000000302" {
+    description "An external service sends distress information across the system boundary.";
+    sa_port reporting_output "Reporting output" id "00000000-0000-4000-8000-000000000304" {
+        contract { Component { kind Flow; orientation Out; }; };
+    }
+}
+
+// The boundary exchange connects actual participant ports. Function realization
+// is declared separately in reporting.arcadia using port/exchange allocations.
+boundary_exchange radio_reporting "Radio reporting" id "00000000-0000-4000-8000-000000000501" {
+    source @reporting_output; target @reporting_input;
+    oriented true;
+    items [@sa_report_data];
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/reporting.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/reporting.arcadia
new file mode 100644
index 00000000..fd52ba73
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/sa/reporting.arcadia
@@ -0,0 +1,62 @@
+// Functional containment is independent of the participant allocations below.
+sa_function handle_reports "Handle distress reports" id "00000000-0000-4000-8000-000000000401" {
+    description "A functional decomposition of reporting and assessment.";
+    sa_function transmit_report "Transmit report" id "00000000-0000-4000-8000-000000000402" {
+        description "Encode and send the vessel's distress report.";
+        sa_port report_out "Report output" id "00000000-0000-4000-8000-000000000404" {
+            contract { FunctionOutput { outgoing_items [@sa_report_data]; }; };
+        }
+    }
+    // Assessment rationale travels with this declaration when it is reparented.
+    sa_function assess_report_union "Assess report" id "00000000-0000-4000-8000-000000000403" {
+        description "Validate the received report and present it to the coordinator.";
+        sa_port report_in "Report input" id "00000000-0000-4000-8000-000000000405" {
+            contract { FunctionInput { incoming_items [@sa_report_data]; }; };
+        }
+    } // Assessment remains performed by rescue_system after a hierarchy edit.
+}
+
+// This group comment stays in this file; it is not attached to the function above.
+
+sa_exchange_item sa_report_data "Digital distress report" id "00000000-0000-4000-8000-000000000406" {
+    kind Information;
+    sa_data_field encoded_latitude "Encoded latitude" id "00000000-0000-4000-8000-000000000407" {
+        type_ref Real;
+        unit "degrees north";
+        default none;
+        description "";
+        direction Unspecified;
+        maximum 1;
+        minimum 1;
+        storage Value;
+    }
+    description "";
+    mechanism Unspecified;
+    parent none;
+    supertype none;
+}
+sa_capability coordinate_response "Coordinate distress response" id "00000000-0000-4000-8000-000000000408" {}
+
+allocation vessel_transmits "Vessel service transmits" id "00000000-0000-4000-8000-000000000502" {
+    source @vessel_service; target @transmit_report;
+}
+allocation system_assesses "System assesses report" id "00000000-0000-4000-8000-000000000503" {
+    source @rescue_system; target @assess_report_union;
+}
+functional_exchange validated_report "Validated report" id "00000000-0000-4000-8000-000000000505" {
+    source @transmit_report; source_port @report_out;
+    target @assess_report_union; target_port @report_in;
+    items [@sa_report_data];
+}
+port_allocation output_realization "Reporting output realizes function output" id "00000000-0000-4000-8000-000000000506" {
+    source @reporting_output; target @report_out;
+}
+port_allocation input_realization "Reporting input realizes function input" id "00000000-0000-4000-8000-000000000507" {
+    source @reporting_input; target @report_in;
+}
+exchange_allocation report_transport "Radio reporting carries the function exchange" id "00000000-0000-4000-8000-000000000508" {
+    source @radio_reporting; target @validated_report;
+}
+capability_involvement system_contribution "Assessment supports coordination" id "00000000-0000-4000-8000-000000000509" {
+    source @assess_report_union; target @coordinate_response;
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/views.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/views.arcadia
new file mode 100644
index 00000000..c7daeb59
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/expected/views.arcadia
@@ -0,0 +1,71 @@
+// Views are projections. Their visual allocation containers do not set parent.
+diagram oa_architecture "OA — participants and activities" id "00000000-0000-4000-8000-000000000601" {
+    description "The crew reports; the coordination team assesses. Containment of work is shown separately in the Model explorer.";
+    layer Oa; projection Allocation;
+}
+node oa_vessel_view id "00000000-0000-4000-8000-000000000701" {
+    diagram @oa_architecture; element @vessel;
+    position { x 60; y 60; }; size { width 272; height 210; };
+}
+node oa_team_view id "00000000-0000-4000-8000-000000000702" {
+    diagram @oa_architecture; element @rescue_team;
+    position { x 540; y 60; }; size { width 300; height 210; };
+}
+node oa_report_view id "00000000-0000-4000-8000-000000000703" {
+    diagram @oa_architecture; element @report_distress;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node oa_assessment_view id "00000000-0000-4000-8000-000000000704" {
+    diagram @oa_architecture; element @assess_incident;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+
+diagram sa_architecture "SA — system boundary and functions" id "00000000-0000-4000-8000-000000000602" {
+    description "Flow component ports define the boundary; separate function ports carry the functional exchange.";
+    layer Sa; projection Allocation;
+}
+node sa_vessel_view id "00000000-0000-4000-8000-000000000711" {
+    diagram @sa_architecture; element @vessel_service;
+    position { x 60; y 60; }; size { width 272; height 220; };
+}
+node sa_system_view id "00000000-0000-4000-8000-000000000712" {
+    diagram @sa_architecture; element @rescue_system;
+    position { x 540; y 60; }; size { width 300; height 340; };
+}
+node sa_transmission_view id "00000000-0000-4000-8000-000000000713" {
+    diagram @sa_architecture; element @transmit_report;
+    position { x 84; y 128; }; size { width 224; height 104; };
+}
+node sa_assessment_view id "00000000-0000-4000-8000-000000000714" {
+    diagram @sa_architecture; element @assess_report_union;
+    position { x 564; y 128; }; size { width 252; height 104; };
+}
+node sa_review_view id "00000000-0000-4000-8000-000000000715" {
+    diagram @sa_architecture; element @review_response;
+    position { x 564; y 272; }; size { width 252; height 104; };
+}
+
+diagram sa_decomposition "SA — functional containment" id "00000000-0000-4000-8000-000000000603" {
+    description "These containers represent real function parents. Compare them with the explicit allocations in the architecture view.";
+    layer Sa; projection FunctionalDataflow;
+}
+node handling_view id "00000000-0000-4000-8000-000000000721" {
+    diagram @sa_decomposition; element @handle_reports;
+    position { x 40; y 60; }; size { width 500; height 230; };
+}
+node transmission_view id "00000000-0000-4000-8000-000000000722" {
+    diagram @sa_decomposition; element @transmit_report;
+    position { x 64; y 136; }; size { width 204; height 104; };
+}
+node assessment_view id "00000000-0000-4000-8000-000000000723" {
+    diagram @sa_decomposition; element @assess_report_union;
+    position { x 310; y 136; }; size { width 204; height 104; };
+}
+node assurance_view id "00000000-0000-4000-8000-000000000724" {
+    diagram @sa_decomposition; element @assure_response;
+    position { x 590; y 60; }; size { width 300; height 230; };
+}
+node review_view id "00000000-0000-4000-8000-000000000725" {
+    diagram @sa_decomposition; element @review_response;
+    position { x 614; y 136; }; size { width 252; height 104; };
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/intent.json b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/intent.json
new file mode 100644
index 00000000..eb2ace7c
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/source-rename-expected/intent.json
@@ -0,0 +1,113 @@
+{
+  "scope": "Independent six fixed byte-token edits only; no core parser/updater or GUI execution.",
+  "baseline": "C:\\Users\\User\\Documents\\Git\\ARCADIA-Studio\\.local\\native-qa\\navigation-palette-20260913-01\\source-baseline",
+  "target_uuid": "00000000-0000-4000-8000-000000000403",
+  "inputs": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3061,
+      "sha256": "893050516ce47f07039f04879474c7a019b8b2f7b6002a8d950b005334e34692"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3508,
+      "sha256": "e29ad3f406a6a50d2f0ae2ca2a53ee3b0c18222cd4098704a46d4f48b64ea17f"
+    }
+  ],
+  "edits": [
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 694,
+      "end": 707,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2097,
+      "end": 2110,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 2280,
+      "end": 2293,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "start": 3015,
+      "end": 3028,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 2019,
+      "end": 2032,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    },
+    {
+      "path": "views.arcadia",
+      "start": 3054,
+      "end": 3067,
+      "old": "assess_report",
+      "new": "assess_report_union"
+    }
+  ],
+  "expected": [
+    {
+      "path": "oa.arcadia",
+      "bytes": 2364,
+      "sha256": "c04efaa1ae5a2053e63aac70f79ea7bb845ef1db1ff8e68f23abfe24f1bc180f"
+    },
+    {
+      "path": "project.arcadia",
+      "bytes": 606,
+      "sha256": "260505b7f54a0d256bce2af8499bb46cc78ffe564628bd5f976ce358d1796f3a"
+    },
+    {
+      "path": "sa/assurance.arcadia",
+      "bytes": 682,
+      "sha256": "ab76044836e4dcd42a82d316846ec87da2108939aa2037640c5bca1d2ecdee0f"
+    },
+    {
+      "path": "sa/participants.arcadia",
+      "bytes": 1231,
+      "sha256": "1abad579812e77877b45a3d8e3c3e9da734be2d04a0254cc730a5257ebd2dc88"
+    },
+    {
+      "path": "sa/reporting.arcadia",
+      "bytes": 3085,
+      "sha256": "9ef920a3abe1cbd9537cc1b89a641a8c04af53eb2a3839aecc615917f5c129f0"
+    },
+    {
+      "path": "views.arcadia",
+      "bytes": 3520,
+      "sha256": "51c3caafbf4e9279d9c472cff89a2d0422a52139b761f835dca98aea5571d14a"
+    }
+  ]
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/stderr.log b/harness/experiments/navigation-native-440-20260913/raw/trial/stderr.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/stdout.log b/harness/experiments/navigation-native-440-20260913/raw/trial/stdout.log
new file mode 100644
index 00000000..e69de29b
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/topology-baseline/project.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/topology-baseline/project.arcadia
new file mode 100644
index 00000000..8500c46d
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/topology-baseline/project.arcadia
@@ -0,0 +1,477 @@
+arcadia 7;
+project source7_native_contract "Reusable procedures and operation identity" id "52060906-0000-4000-8000-000000000001" {
+    include "rationale.arcadia";
+    description "";
+
+    sa_function sa_work_a "A · Begin assessment" id "071edc32-5c27-5c1d-91ff-337c80b462d5" {
+        description "";
+        parent none;
+    }
+
+    oa_occurrence oa_x "X · Check authorization" id "08ff2083-dac1-5f4b-ad6a-7cc81d7be29d" {
+        body {
+            Action {
+                action @oa_work_x;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @oa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_a "A · Begin assessment" id "14d1133a-697d-5b54-b624-eed0fb04a354" {
+        body {
+            Action {
+                action @sa_work_a;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @sa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_c "C · Finish assessment" id "1a215aed-f0b1-521d-b52f-0c1cfbbf1c36" {
+        body {
+            Action {
+                action @sa_work_c;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @sa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence oa_r2 "Second assessment" id "1e27be58-3e3e-5869-ad30-e94a28ea2a2e" {
+        body {
+            SequenceReference {
+                sequence @oa_procedure;
+            };
+        };
+        description "";
+        parent @oa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_process oa_caller "Caller with three assessments" id "2100ac23-79ee-54e1-b3cf-69f3d4f3b30a" {
+        description "";
+        parent none;
+        steps [@oa_x, @oa_r1, @oa_r2, @oa_r3];
+    }
+
+    oa_activity oa_work_a "A · Begin assessment" id "25fdfe13-c45d-5822-830a-192ff13f660d" {
+        description "";
+        parent none;
+    }
+
+    oa_process oa_nested_definition "Nested assessment wrapper" id "273d8df8-83c8-5d75-99d1-59a7c9fdb705" {
+        description "";
+        parent none;
+        steps [@oa_inner];
+    }
+
+    sa_function sa_work_b "B · Review assessment" id "3360ccb1-68ac-51cd-8d9a-8893000c80ef" {
+        description "";
+        parent none;
+    }
+
+    oa_activity oa_work_c "C · Finish assessment" id "47335738-0876-5f90-b25e-1636c7448e93" {
+        description "";
+        parent none;
+    }
+
+    sa_occurrence sa_r3 "Nested assessment" id "4a65dad8-e2a1-51dc-87a0-02ea4ab69384" {
+        body {
+            SequenceReference {
+                sequence @sa_nested_definition;
+            };
+        };
+        description "";
+        parent @sa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_actor operation_probe_10 "Operator console" id "52060906-0000-4000-8000-00000000000a" {
+        description "";
+        parent none;
+    }
+
+    sa_system operation_probe_11 "Valve service" id "52060906-0000-4000-8000-00000000000b" {
+        description "";
+        parent none;
+    }
+
+    sa_port operation_probe_12 "Service socket" id "52060906-0000-4000-8000-00000000000c" {
+        contract {
+            Component {
+                kind Standard;
+                orientation Unset;
+            };
+        };
+        description "";
+        legacy none;
+        parent @operation_probe_10;
+    }
+
+    sa_port operation_probe_13 "Service socket" id "52060906-0000-4000-8000-00000000000d" {
+        contract {
+            Component {
+                kind Standard;
+                orientation Unset;
+            };
+        };
+        description "";
+        legacy none;
+        parent @operation_probe_11;
+    }
+
+    sa_exchange_item operation_probe_20 "Reset" id "52060906-0000-4000-8000-000000000014" {
+        description "";
+        kind Information;
+        mechanism Operation;
+        parent none;
+        supertype none;
+    }
+
+    sa_exchange_item operation_probe_21 "ReadStatus" id "52060906-0000-4000-8000-000000000015" {
+        description "";
+        kind Information;
+        mechanism Operation;
+        parent none;
+        supertype none;
+    }
+
+    sa_interface operation_probe_22 "Valve commands" id "52060906-0000-4000-8000-000000000016" {
+        description "";
+        parent none;
+        supertype none;
+    }
+
+    sa_scenario operation_probe_40 "Reset then read status" id "52060906-0000-4000-8000-000000000028" {
+        context none;
+        description "";
+        parent none;
+        postcondition "";
+        precondition "";
+        steps [@operation_probe_43, @operation_probe_44, @reset_reply];
+        viewpoint BoundaryInterface;
+    }
+
+    sa_lifeline operation_probe_41 "Service participant" id "52060906-0000-4000-8000-000000000029" {
+        description "";
+        parent @operation_probe_40;
+        represented @operation_probe_10;
+    }
+
+    sa_lifeline operation_probe_42 "Service participant" id "52060906-0000-4000-8000-00000000002a" {
+        description "";
+        parent @operation_probe_40;
+        represented @operation_probe_11;
+    }
+
+    sa_occurrence operation_probe_43 "Call Reset" id "52060906-0000-4000-8000-00000000002b" {
+        body {
+            Exchange {
+                exchange @operation_probe_34;
+                message_kind Call;
+                receiver @operation_probe_42;
+                reply_to none;
+                sender @operation_probe_41;
+                values [];
+            };
+        };
+        description "";
+        parent @operation_probe_40;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence operation_probe_44 "Call ReadStatus" id "52060906-0000-4000-8000-00000000002c" {
+        body {
+            Exchange {
+                exchange @operation_probe_34;
+                message_kind Call;
+                receiver @operation_probe_42;
+                reply_to none;
+                sender @operation_probe_41;
+                values [];
+            };
+        };
+        description "";
+        parent @operation_probe_40;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_x "X · Check authorization" id "53ad2109-ba9d-5859-b258-64cdaab5c4a8" {
+        body {
+            Action {
+                action @sa_work_x;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @sa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_r1 "First assessment" id "62cfdab1-a18b-5b06-8ee7-cd0b320e4024" {
+        body {
+            SequenceReference {
+                sequence @sa_procedure;
+            };
+        };
+        description "";
+        parent @sa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_function sa_work_c "C · Finish assessment" id "6575bce8-4185-519b-a004-d96650da63dc" {
+        description "";
+        parent none;
+    }
+
+    sa_functional_chain sa_nested_definition "Nested assessment wrapper" id "7932ab3a-6b60-5059-a3a0-fca3a2f9a197" {
+        description "";
+        parent none;
+        steps [@sa_inner];
+    }
+
+    sa_function sa_work_x "X · Check authorization" id "8c3d9b89-aa12-5218-9de9-12b8b5d4e4b3" {
+        description "";
+        parent none;
+    }
+
+    sa_occurrence sa_r2 "Second assessment" id "999b5e15-903f-5ca1-bc11-e51fadf80762" {
+        body {
+            SequenceReference {
+                sequence @sa_procedure;
+            };
+        };
+        description "";
+        parent @sa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_activity oa_work_b "B · Review assessment" id "a39639dc-0ece-5b71-981d-c9523fed4914" {
+        description "";
+        parent none;
+    }
+
+    sa_occurrence reset_reply "Correlated reset reply" id "aa8b674f-012f-583f-8dc7-a76407d1f8a7" {
+        body {
+            Exchange {
+                exchange @operation_probe_34;
+                message_kind Reply;
+                receiver @operation_probe_41;
+                reply_to @operation_probe_43;
+                sender @operation_probe_42;
+                values [];
+            };
+        };
+        description "";
+        parent @operation_probe_40;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_process oa_procedure "Reusable assessment A to C" id "af139b27-7e42-5729-9e49-53b2ac62c9e7" {
+        description "";
+        parent none;
+        steps [@oa_a, @oa_b, @oa_c];
+    }
+
+    sa_occurrence sa_b "B · Review assessment" id "bf9ba00e-2aaa-5f04-9ba1-2c242d07b938" {
+        body {
+            Action {
+                action @sa_work_b;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @sa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_functional_chain sa_procedure "Reusable assessment A to C" id "c1d4eda2-fac7-5621-a7ac-25f985911bf5" {
+        description "";
+        parent none;
+        steps [@sa_a, @sa_b, @sa_c];
+    }
+
+    oa_occurrence oa_c "C · Finish assessment" id "c40c2011-4497-52f0-9e0e-10323b3150a8" {
+        body {
+            Action {
+                action @oa_work_c;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @oa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence oa_r1 "First assessment" id "d48951ad-c6db-5eae-923a-edccab97155e" {
+        body {
+            SequenceReference {
+                sequence @oa_procedure;
+            };
+        };
+        description "";
+        parent @oa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_functional_chain sa_caller "Caller with three assessments" id "d4911fd0-52ed-535c-9f87-170e8f5731d2" {
+        description "";
+        parent none;
+        steps [@sa_x, @sa_r1, @sa_r2, @sa_r3];
+    }
+
+    oa_occurrence oa_a "A · Begin assessment" id "dc17769b-7e1e-5f15-99bb-0caf98bcb006" {
+        body {
+            Action {
+                action @oa_work_a;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @oa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence oa_inner "Inner assessment" id "e16033cd-3184-56ef-b462-5559ad212c84" {
+        body {
+            SequenceReference {
+                sequence @oa_procedure;
+            };
+        };
+        description "";
+        parent @oa_nested_definition;
+        postcondition "";
+        precondition "";
+    }
+
+    sa_occurrence sa_inner "Inner assessment" id "e21febd2-30ec-5e9d-aa4c-3c54c95c2c9f" {
+        body {
+            SequenceReference {
+                sequence @sa_procedure;
+            };
+        };
+        description "";
+        parent @sa_nested_definition;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_activity oa_work_x "X · Check authorization" id "e78d841a-a37e-5106-8356-b1e3ce6d2501" {
+        description "";
+        parent none;
+    }
+
+    oa_occurrence oa_b "B · Review assessment" id "ef2a06af-6013-5f0b-a56d-db705f0685ce" {
+        body {
+            Action {
+                action @oa_work_b;
+                lifeline none;
+            };
+        };
+        description "";
+        parent @oa_procedure;
+        postcondition "";
+        precondition "";
+    }
+
+    oa_occurrence oa_r3 "Nested assessment" id "fc986c5c-eae7-5363-bcd5-b832d565a89a" {
+        body {
+            SequenceReference {
+                sequence @oa_nested_definition;
+            };
+        };
+        description "";
+        parent @oa_caller;
+        postcondition "";
+        precondition "";
+    }
+
+    sequence_link oa_a_then_b "a then b" id "0fc11ada-23a6-5f39-9891-e7f363a1edfb" {
+        description "";
+        guard "";
+        source @oa_a;
+        target @oa_b;
+    }
+
+    sequence_link oa_b_then_c "b then c" id "169f558e-a466-5fcc-b0d7-53e481952714" {
+        description "";
+        guard "";
+        source @oa_b;
+        target @oa_c;
+    }
+
+    interface_item_allocation operation_probe_30 "InterfaceItemAllocation 30" id "52060906-0000-4000-8000-00000000001e" {
+        acquisition Unspecified;
+        description "";
+        order 0;
+        source @operation_probe_22;
+        target @operation_probe_20;
+        transmission Synchronous;
+    }
+
+    interface_item_allocation operation_probe_31 "InterfaceItemAllocation 31" id "52060906-0000-4000-8000-00000000001f" {
+        acquisition Unspecified;
+        description "";
+        order 0;
+        source @operation_probe_22;
+        target @operation_probe_21;
+        transmission Synchronous;
+    }
+
+    interface_requirement operation_probe_32 "InterfaceRequirement 32" id "52060906-0000-4000-8000-000000000020" {
+        description "";
+        source @operation_probe_12;
+        target @operation_probe_22;
+    }
+
+    interface_provision operation_probe_33 "InterfaceProvision 33" id "52060906-0000-4000-8000-000000000021" {
+        description "";
+        source @operation_probe_13;
+        target @operation_probe_22;
+    }
+
+    boundary_exchange operation_probe_34 "BoundaryExchange 34" id "52060906-0000-4000-8000-000000000022" {
+        description "";
+        items [@operation_probe_20, @operation_probe_21];
+        oriented false;
+        source @operation_probe_12;
+        target @operation_probe_13;
+    }
+
+    sequence_link sa_a_then_b "a then b" id "661511e2-3604-5faf-9deb-f741925615bb" {
+        description "";
+        guard "";
+        source @sa_a;
+        target @sa_b;
+    }
+
+    sequence_link sa_b_then_c "b then c" id "aedc3e72-fd4b-5dcd-b9c1-ced7aee3e0d1" {
+        description "";
+        guard "";
+        source @sa_b;
+        target @sa_c;
+    }
+
+}
diff --git a/harness/experiments/navigation-native-440-20260913/raw/trial/topology-baseline/rationale.arcadia b/harness/experiments/navigation-native-440-20260913/raw/trial/topology-baseline/rationale.arcadia
new file mode 100644
index 00000000..8945eece
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/raw/trial/topology-baseline/rationale.arcadia
@@ -0,0 +1 @@
+// Native oracle: retain this authored 雨 note and CRLF.
diff --git a/harness/experiments/navigation-native-440-20260913/review/navigation-native-final-independent-audit-20260913.json b/harness/experiments/navigation-native-440-20260913/review/navigation-native-final-independent-audit-20260913.json
new file mode 100644
index 00000000..c01fd1ee
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/review/navigation-native-final-independent-audit-20260913.json
@@ -0,0 +1,1169 @@
+{
+  "scope": "Read-only byte/receipt audit of closed native440 trial; no GUI, compiler or oracle execution; not native feature acceptance",
+  "source": "44095f78c28b79d6d085863dc928adba8e24d955",
+  "original_review": {
+    "bytes": 13132,
+    "sha256": "6988bbb0f5e6b6d6e329f123cca37ec7c3efc5db21a89195017c7d1c5bad064a"
+  },
+  "evidence_files": 157,
+  "evidence_sha256": "25c4ff90e456f0bd7ee33f78d8e1dee451c5e5e636fb3bff4b8fc73a35e738c2",
+  "evidence_001_055_unchanged": true,
+  "evidence": [
+    {
+      "path": "001-home.jpg",
+      "bytes": 100124,
+      "sha256": "3d71034cd1e8fdbfd9b2b44819fc2f3a3762e9e5a48270231a65a341a1925d50"
+    },
+    {
+      "path": "001-home.json",
+      "bytes": 467,
+      "sha256": "49d3b247b9e1ec39a67a8a50c28317d578fa1744968e0463d374973294b2e6e0"
+    },
+    {
+      "path": "002-private-profile-dialog.json",
+      "bytes": 5394,
+      "sha256": "faa0f4af225c4abe5260e8ee70ad1c4dda0f4c37f8e8f1f2505d32d54770323f"
+    },
+    {
+      "path": "003-source-loaded.jpg",
+      "bytes": 131613,
+      "sha256": "e15fbc38b11e8a3ce38421bc0766132299eb3e6509af06e978aa43d2937230cc"
+    },
+    {
+      "path": "003-source-loaded.json",
+      "bytes": 608,
+      "sha256": "7ca4366ab425829494868e556f9be5ea00fd0c5adbc1b5e0a14efbadd151ed01"
+    },
+    {
+      "path": "004-textual-model.jpg",
+      "bytes": 136206,
+      "sha256": "4fea17de2be1bae2aa68dc7bd09b68f045aff84376cb054a4f0f5a9dd66c8ff1"
+    },
+    {
+      "path": "004-textual-model.json",
+      "bytes": 512,
+      "sha256": "c5075b499303376fbe90ffb874d53ebdfa93c5a8e5a979ac4234a370b9af5e81"
+    },
+    {
+      "path": "005-word-selected.jpg",
+      "bytes": 136753,
+      "sha256": "42fb44eee4af2e9102c80c4c387a30b9ac50b971857d80f758311032b6e839ba"
+    },
+    {
+      "path": "005-word-selected.json",
+      "bytes": 485,
+      "sha256": "505a73682e2673384a650ec36a240c3b7a8b1a4260c47f6a2fabb55e5ae038ea"
+    },
+    {
+      "path": "006-word-after-find-close.jpg",
+      "bytes": 137117,
+      "sha256": "7f3379089a7a05e62573c3a6cbcf38d7c4e24a53c77be986f6bebb6ea38d5855"
+    },
+    {
+      "path": "006-word-after-find-close.json",
+      "bytes": 495,
+      "sha256": "0309c63b517f26a40650b85ec0fbd706cf3342a0c447351aa1c83b45223e3dd7"
+    },
+    {
+      "path": "007-word-replaced.jpg",
+      "bytes": 119209,
+      "sha256": "7a7bfd7b96ae4db2facdb836b2fb4e574da312f430cf1540348a0916396014c8"
+    },
+    {
+      "path": "007-word-replaced.json",
+      "bytes": 556,
+      "sha256": "1e4f8080f016551c118935fd3f9b9adc764ebdd87285cc51e6f38bc5511b0dc5"
+    },
+    {
+      "path": "008-word-undo.jpg",
+      "bytes": 137108,
+      "sha256": "2e0c1b252b19b2ff739205d8b5312363596ef94eb67f4bd801229590dada67b8"
+    },
+    {
+      "path": "008-word-undo.json",
+      "bytes": 487,
+      "sha256": "d3c1d378575ffde1ff36622ca4415208f4f0dc59695d390dbc873f8f5497390a"
+    },
+    {
+      "path": "009-line-selected.jpg",
+      "bytes": 137220,
+      "sha256": "625d48b2e652b21cf33e198219b4d006814d3067ee1e14d1050e225622d4ea74"
+    },
+    {
+      "path": "009-line-selected.json",
+      "bytes": 499,
+      "sha256": "8e89c69298e550aab64817ff8e6139ac993db84728d133ee56c857a690ed4308"
+    },
+    {
+      "path": "010-line-after-find-escape.jpg",
+      "bytes": 137352,
+      "sha256": "671aac49a7485aa8363c42cff1c63bd2bd0a1e6489029232ec0aea8a39027c3c"
+    },
+    {
+      "path": "010-line-after-find-escape.json",
+      "bytes": 483,
+      "sha256": "347a55413682811f441e4055e3655904084094e6470543fc0de1e2377f608b78"
+    },
+    {
+      "path": "011-line-replaced.jpg",
+      "bytes": 117404,
+      "sha256": "d146fe0d24eec8dc2e07eaefc08651e1857fa843a1fd8701325eb12e3f7b96bc"
+    },
+    {
+      "path": "011-line-replaced.json",
+      "bytes": 591,
+      "sha256": "47440cda0b7d8fc46024f131816fa24a5902f43323198974824a8e1aafc1bdd2"
+    },
+    {
+      "path": "012-line-undo.jpg",
+      "bytes": 137034,
+      "sha256": "234b94fbcb0f70bd4c02c91e9cc86937ed469e43f5a9ed0996eab965d172e942"
+    },
+    {
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+      },
+      "oracle": {
+        "bytes": 8470,
+        "sha256": "6676bee1719d64c7a5ab4db6c9ed2d1aa9d598abf4eba81a1b6b80cdb9946ee3"
+      },
+      "stdout": {
+        "bytes": 142,
+        "sha256": "2bf5514006189566e7a16c18e6404b33a4c160149397fbe543f142073619ec9b"
+      },
+      "stderr": {
+        "bytes": 12159,
+        "sha256": "a6594157a2b98cf05ae63dbc8e786e56e8b939d40bd26420e48b73733eea4a5d"
+      },
+      "tree_sha256": "79a6be5bb0d3daa22a4d0226cbc549b70cc11e80246548fb3e8b14b401ef762e"
+    },
+    {
+      "name": "source-undo-saved-440",
+      "fixture": "source",
+      "mode": "same",
+      "files": 6,
+      "checkpoint": {
+        "bytes": 9173,
+        "sha256": "c7ab52324611f1025172637ecf50bf692ae5efaed91d190cf2fd7f9ec7503d6a"
+      },
+      "oracle": {
+        "bytes": 8331,
+        "sha256": "425a4f4f0a95f22ba42e16745ad564c69d52d547fb3586d04939d0c5c5cbab12"
+      },
+      "stdout": {
+        "bytes": 60,
+        "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+      },
+      "stderr": {
+        "bytes": 12115,
+        "sha256": "16f97f84f5609a083ee0a6af7a270f4db59986b0aaf10a2e7ff1112edc6e92e6"
+      },
+      "tree_sha256": "405108a8ac905c7fc524d37ae58e33161455e12b330e89b2d6f48a86fa321df4"
+    },
+    {
+      "name": "topology-navigation-final-saved-440",
+      "fixture": "topology",
+      "mode": "same",
+      "files": 2,
+      "checkpoint": {
+        "bytes": 5020,
+        "sha256": "c87c5def183327b0d34e16f70050fff6440ec7563b3f8df6a0e8f5b862d7831e"
+      },
+      "oracle": {
+        "bytes": 5033,
+        "sha256": "3cc8a7138884594c72b01fc8a28d837c73c569144cdd59d26a5f10cc597be7ef"
+      },
+      "stdout": {
+        "bytes": 60,
+        "sha256": "be2b96d3c8af6419bdc3bbfcb5956cdd3427a26d1ecca310c2be84d46c22116d"
+      },
+      "stderr": {
+        "bytes": 21324,
+        "sha256": "e0fe36483698fc77d12aeb4931c5632b0b67245695f1d902c7499d6fa68df8e1"
+      },
+      "tree_sha256": "904bcd4752ccdc290cbb243c638d8185e1997c1e1904f9971bb437f00a89123d"
+    }
+  ],
+  "final_work_matches_checkpoints": true,
+  "independent_six_token_expected_reconstructed": true,
+  "closure": {
+    "bytes": 469,
+    "sha256": "b7760d98b02418e9cf64a687642e439452b8e03cd90f2fee17eb83836babe699"
+  },
+  "launch": {
+    "bytes": 2470,
+    "sha256": "b88fcb97ed93964dbfca4957384629c2098746da20e6b9973923d2b33f612cc9"
+  },
+  "launch_log": {
+    "bytes": 2725,
+    "sha256": "52cd05c9921d900017b72982b41fbb04b69a19a1920aa8517223ddf8b7f4d91e"
+  },
+  "stage_manifest": {
+    "bytes": 195529,
+    "sha256": "e99a1362bd5f6e735d151bace28b523073a416a6405c4b9eb2d4a686ac72634e"
+  },
+  "stage_payload_count": 72,
+  "stage_payloads_unchanged": true,
+  "build_receipt": {
+    "bytes": 4305,
+    "sha256": "eb63d699329779b3f4cdfd723062a10c9844ce86db7621e7131be702bbee602a"
+  },
+  "build_input_count": 615,
+  "build_inputs_match_source_git_blobs": true,
+  "gui": {
+    "bytes": 117171712,
+    "sha256": "95f0c3e9ea1521dbc555e5330f26e105bd9065b9fb4207980f6d7ae62d2ef99a"
+  },
+  "runtime": {
+    "bytes": 190464,
+    "sha256": "aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a"
+  },
+  "profile": "unoptimized development",
+  "limits": [
+    "Supervisor terminal exit and absent native window were reported by parent; no fresh OS/GUI inspection by this reviewer.",
+    "Original scroll failure043-045 remains; bebf source correction is not this native build.",
+    "Artifact provenance checked; full desktop gate suite not independently re-admitted here."
+  ],
+  "oracle_core_inputs_equal_between_e124_and_440": 111
+}
diff --git a/harness/experiments/navigation-native-440-20260913/review/navigation-native-final-independent-review-20260913.md b/harness/experiments/navigation-native-440-20260913/review/navigation-native-final-independent-review-20260913.md
new file mode 100644
index 00000000..42cf00bc
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/review/navigation-native-final-independent-review-20260913.md
@@ -0,0 +1,68 @@
+# Closed native440 trial: final independent evidence review
+
+2026-09-13, `/root/source8_s2a_review`, GPT-6 Astra. This report extends and preserves [the original partial review](navigation-native-partial-independent-review-20260913.md), SHA256 `6988bbb0f5e6b6d6e329f123cca37ec7c3efc5db21a89195017c7d1c5bad064a`. It reviews the completed `.local/native-qa/navigation-palette-20260913-01` trial, not a subsequent build. Updated AGENTS applies. Evidence and reports remain local-only pending parent publication; no GUI input, compiler/oracle execution, source edit, Git mutation or Gitea operation was performed for this review.
+
+## Disposition and remaining findings
+
+**The bounded native440 trial is normally closed and its saved-byte checks pass. It is not full feature acceptance.** No new material defect was identified in frames056–079. The earlier **P2 Details→Preview viewport loss remains FAIL** in actual440 frames043–045: the same unaccepted proposal/file/hunk/page returns to the top after inspecting Full details. Source correction `bebf9f594c6722200e95e92be2734acbea0dd700` was reviewed separately; it was not the executable in this trial and receives no native acceptance here. A corrected-build reproduction remains required, preserving this original failure.
+
+The bounded focus friction in051–053 remains unresolved: after navigating to a placement, the reported first Delete did nothing; an explicit canvas click made the intended placement hiding work. Later state-row checks used explicit focus and do not establish automatic canvas keyboard focus after navigation. This is a focus-policy/usability question, not evidence of wrong-object deletion. Immediate placement hiding without a confirmation dialog follows this task's intended behavior.
+
+All fourteen immutable checkpoint inventories, recorded raw comparator results and final closed work trees agree. No unexpected persisted source/model change was found. The four new saved snapshots are exact baseline; the seven source snapshots retain the previously verified baseline or independent six-token rename as appropriate. Original001–055 evidence and the partial report remain byte-identical.
+
+## What the additional frames establish
+
+All24 actual JPEGs056–079 and their JSON sidecars were inspected. Together with the39 images inspected for the partial report, the review directly covers63 of78 actual JPEGs. Notes001–079 establish operator sequence/context; they are not a replay of every input. Frame002 still has only a note/dialog record. The captured window is1442×932.
+
+| Evidence | Independently supported observation and boundary |
+| --- | --- |
+| 056–057 | `Show in diagrams` for SA Initialize controller/@delete_50 names the state-action representation SA Entry initialize/@delete_54. The revealed Entry row, Inspector phase/source/target and UUID `de1e7e00-0000-4000-8000-000000000036` agree. Saved source defines that relation from @delete_53 to @delete_50; no function/state/machine substitution is visible. |
+| 058–060 | Ordinary Delete and reported Shift+Delete after explicit row focus both show a confirmation naming SA Entry initialize and explaining that the state relation is removed while states and represented work remain. Both were cancelled according to the notes; final060 retains the row and shows saved status. The final compact snapshot is exact baseline, independently supporting final cancellation/restoration. These frames do not execute or accept state-relation deletion. |
+| 061–065 | OA1 at100% shows distinct nested activation boxes, a continuous exposed outer shoulder, a creation capsule and a deletion cross. Outer shoulder selection names C1/bound_1040; the inner endpoint names C2/bound_1030; the cross selects Delete inspector/bound_1070 and capsule selects Create inspector/bound_1005. Tree and Inspector aliases distinguish the four actual source occurrences. Source IDs end0410,0406,042e,03ed respectively. Dotted guides outside the lifetime are distinguishable from the solid active lane. This is a sampled integration smoke, not complete hit-map/geometry proof. |
+| 066–069 | SA2 Unicode labels remain within header/capsule boundaries in the normal100% view; the outer selection names C1/bound_2040. Fit068 changes to87% and retains that selection with coherent nested boxes. Its temporary toolbar tooltip obscures part of the upper header, so no tooltip-free full Fit-layout acceptance is claimed. SA6/bound_6000 visibly presents the two birth-dependent ALT paths, question-mark lifetime cues and an unresolved call without an invented activation box. Other lifecycle scenarios were not exercised in this extension. |
+| 070–073 | OA caller shows distinct First and Second assessment previews. The chooser keeps separate oa_r1 and oa_r2 rows; the selected second row identifies the reused A/oa_a under Second assessment. Enter reveals the inner A plus its containing Second assessment boundary; tree and Inspector select oa_r2. Open source selects `oa_occurrence oa_r2` with UUID `1e27be58-3e3e-5869-ad30-e94a28ea2a2e`, which the saved source confirms references @oa_procedure under @oa_caller. This supports exact repeated-occurrence identity rather than merely selecting the represented activity. |
+| 074–075 | F12 from the occurrence's @oa_procedure use selects the matching procedure definition; the source drawer and visible alias agree. The saved source has procedure UUID `af139b27-7e42-5729-9e49-53b2ac62c9e7`. Back returns to the oa_r2 use site, with current model still in sync. The Definitions drawer remains open and retains its definition result; this is compatible with the returned caret location, not proof of a changed source target. |
+| 076–079 | SA function @sa_work_a has distinct SA destinations; choosing Nested assessment wrapper gives `Inner assessment (@sa_inner) / A (@sa_a)`. The final SA canvas highlights inner A and its containing occurrence while tree, parent and Inspector agree on sa_inner. Saved source confirms sa_inner UUID `e21febd2-30ec-5e9d-aa4c-3c54c95c2c9f`, sequence @sa_procedure, parent @sa_nested_definition; sa_a's Action references @sa_work_a. Save079 and the exact same-mode checkpoint establish persisted navigation-only behavior for both included files. This does not establish arbitrary-depth expansion or complete process semantics. |
+
+The original source workflow remains supported as bounded in the partial report: operational Word/Line replacement and restoration, six-token alias-only preview/Cancel/accept, saved Undo/Redo and project reopen, source↔diagram target identity, scoped chooser/Find dismissal and saved recovery of deliberate invalid drafts. The compact placement hide/Undo/Redo/Undo removes only placement UUID `de1e7e00-0000-4000-8000-000000000029` and finally restores baseline. The represented semantic work UUID ending000a persists. Neither the new frames nor this report broaden those observations into general focus/shortcut or persistence guarantees.
+
+## Fourteen complete saved checkpoints
+
+I recomputed every actual `tree/` file length/SHA256 and directory inventory and compared it with all five recorded before/copy/after/final_work/final_copy maps. Each immutable baseline matches its recorded before/final maps. Each copied oracle receipt equals the original run receipt; actual raw stdout/stderr and watched input files match their recorded hashes. Wrapper and oracle exits are0; outcome is passed, failure is null, changed_inputs is empty, and inputs_unchanged is true. Mode, exact baseline/candidate entries, UUID and alias arguments are correct. Oracle stderr consists of explicitly permitted non-error fixture diagnostics; it is not an empty-log or warning-free model claim.
+
+| Checkpoint under `checkpoints/` | Mode | Files | checkpoint.json SHA256 |
+| --- | --- | ---: | --- |
+| `compact-navigation-final-saved-440` | same | 2 | `ede935f14d42c48e29cfdb1cc0d52e35917689796ea7c029a37fd464c974fb97` |
+| `compact-placement-final-undo-saved-440` | same | 2 | `7f33fedf15597e5fc2f359305440ce6a49b4e82516d63ee6c72af69394daf0d9` |
+| `compact-placement-hidden-saved-440` | removed | 2 | `00a85b893cd402a313f4e8ddf3616ac78de046ddb0837c75dbb7e49bee62fbbe` |
+| `compact-placement-redo-saved-440` | removed | 2 | `28d048b4330d76651491640cffd57afb1114135d599e595901353fdf38c2ff43` |
+| `compact-placement-undo-saved-440` | same | 2 | `2004db33e1a55d2961732bebaf2b065be38801bcfd2f0df0cf0123f044c9c03d` |
+| `lifecycle-navigation-saved-440` | same | 4 | `d4b539b81a78a374923b268dd7d34a91d7598bd3086eece4afa8ff4ee5d33943` |
+| `source-cancel-saved-440` | same | 6 | `44ef73ef25faece67851c45f8ab062bfebe5f40ab44ea2a947cda280f84fb2b1` |
+| `source-final-source-saved-440` | renamed | 6 | `e0c486f2cf020eea84b2d0611bcd3e879de63e9102c054b8a908ec8e90ac5acb` |
+| `source-navigation-saved-440` | renamed | 6 | `dd13938295a15e3372b7c72a0429e7a2b57d15e6f1e9d70444bb1ddeaef5896c` |
+| `source-redo-saved-440` | renamed | 6 | `606a50085eb3fd8e12a715cb39462b53a2e1309ebdfea9bcd1d0cdb6e349e968` |
+| `source-rename-saved-440` | renamed | 6 | `7891000132dc94e20c0d67e34e420f505d6cb2091b8bede889e4445685be34d4` |
+| `source-reopened-saved-440` | renamed | 6 | `71085423b4ceb4aae53146cf79c0800c283dbf9b0dc4dae1e55a1a4f36487f7d` |
+| `source-undo-saved-440` | same | 6 | `c7ab52324611f1025172637ecf50bf692ae5efaed91d190cf2fd7f9ec7503d6a` |
+| `topology-navigation-final-saved-440` | same | 2 | `c87c5def183327b0d34e16f70050fff6440ec7563b3f8df6a0e8f5b862d7831e` |
+
+The source expected bytes were independently reconstructed again from the six fixed original offsets in `source-rename-expected/intent.json`: four replacements in sa/reporting.arcadia, two in views.arcadia, UUID403 / assess_report_union. The reconstruction equals the prepared expected tree and every renamed source snapshot; all other bytes remain exact. Same-mode checkpoints equal their complete baselines. Removed compact snapshots agree with one another and preserve the reviewed placement-only difference; all three compact same-mode states restore both project.arcadia and notes.arcadia exactly. Lifecycle's four-file inventory includes lifecycle-native.arcadia, identities.tsv, preflight.rs and README.md; the byte check covers the entire fixture tree, while the model/source comparator covers its loaded source bundle.
+
+After recorded closure, each actual source/compact/lifecycle/topology work tree equals its latest immutable saved checkpoint. This provides a settled after-close disk check without rerunning the compiler or oracle. The oracle's whole Project and exact SourceBundle assertions were inspected; they are not count-only comparisons. Its expected removal uses ordinary core Delete/source-update logic, so removal semantics are not an independent second implementation. The six-token rename byte reconstruction is separate from that core path.
+
+## Launch, source and normal closure binding
+
+The recorded GUI source is **`44095f78c28b79d6d085863dc928adba8e24d955`**. The stage has72 payload files plus its manifest; every current payload byte and exact file membership still agrees with the launch-bound manifest. Staged and preserved GUI bytes agree:117,171,712 bytes, SHA256 `95f0c3e9ea1521dbc555e5330f26e105bd9065b9fb4207980f6d7ae62d2ef99a`. Runtime libunwind.dll is190,464 bytes, SHA256 `aa282fa47bb2c4e210cea5e470cdbdca58568f0be0bc73e404d86ab9cd95ef6a`. Profile truth is **unoptimized development**, with Cargo opt_level0, debug assertions and overflow checks enabled; no optimized performance claim.
+
+I checked the original artifact result/config bindings, preserved binaries, actual Cargo JSON artifact records and successful build-finished record. All615 recorded build inputs equal the exact440 Git blobs. The e124 oracle remains identified as source `e1240295bd114d23d3f67a69e6b38bdb2e25bb0d`; its111 core/config/lock input paths and bytes equal440, and the e124 recorded bytes were also checked against e124 Git blobs. This supports that specific oracle reuse without relabeling it440. I did not independently re-admit every desktop gate or rebuild binaries in this review.
+
+Launch PID6772 was recorded at2026-09-13T07:57:49.193533Z with a private trial profile/temp/working directory. Closure records the same PID and source at **2026-09-13T10:20:14.983254Z**, exit0, stage_unchanged true, and empty stdout/stderr with the correct empty-file hashes. The final supervisor log line equals closure.json. The hash-bound launcher source uses process.wait(), then stage readback and closure serialization, rather than inventing completion on launch; no supervisor-error.json exists. Parent reports supervisor terminal94544 consumed exit0 and the native window was absent. This reviewer did not inspect a live process or GUI surface; the independent closure conclusion is based on the actual owned-process receipt/log, launcher source and file readback.
+
+Key binding hashes: launch.json `b88fcb97ed93964dbfca4957384629c2098746da20e6b9973923d2b33f612cc9`; closure.json `b7760d98b02418e9cf64a687642e439452b8e03cd90f2fee17eb83836babe699`; stage manifest `e99a1362bd5f6e735d151bace28b523073a416a6405c4b9eb2d4a686ac72634e`; original artifact result `eb63d699329779b3f4cdfd723062a10c9844ce86db7621e7131be702bbee602a`.
+
+## Scope left open
+
+Not established by this closed trial: native acceptance of bebf's scroll repair; automatic keyboard-focus transfer after chooser navigation; port-specific native targeting; creating a new source file; chooser Up cycling; all routing/geometry/accessibility/scaling/monitor states; all six lifecycle scenarios; general modal shortcut isolation; asynchronous race coverage; optimized performance; Linux; schema8; whole OA/SA semantics; fresh extracted-package GUI/REST acceptance; or publication. Historical dd39 geometry evidence and automated gates remain separately source-bound evidence, not newly executed440 coverage. The root integration/publication owner decides acceptance using the required combined evidence.
+
+Machine-readable audit: [navigation-native-final-independent-audit-20260913.json](navigation-native-final-independent-audit-20260913.json),39,861 bytes, SHA256 `797d41a0db1b92f8f24f92b009c623146c12a93067e6b7509d6f09ba6c4a7104`. It binds all157 evidence files (79 notes/78 JPEGs), all14 checkpoint receipts and raw logs, source/build identities and audit limits. Complete evidence-map digest is `25c4ff90e456f0bd7ee33f78d8e1dee451c5e5e636fb3bff4b8fc73a35e738c2`, using the partial review's canonical filename-ordered rows `{path,bytes,sha256}` and UTF-8 compact sorted-key JSON. The original001–055 subset retains digest `9d52787d9c9f734e7968c299e535f7e0229499088bd6afa752fe874753f753c4`.
diff --git a/harness/experiments/navigation-native-440-20260913/review/navigation-native-partial-independent-review-20260913.md b/harness/experiments/navigation-native-440-20260913/review/navigation-native-partial-independent-review-20260913.md
new file mode 100644
index 00000000..fb659309
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/review/navigation-native-partial-independent-review-20260913.md
@@ -0,0 +1,58 @@
+# Partial independent native evidence review — 2026-09-13
+
+Reviewed by `/root/source8_s2a_review`, read-only apart from this new report. Scope: saved evidence001–055 and the ten named immutable checkpoints in `.local/native-qa/navigation-palette-20260913-01`. No GUI interaction, compiler, oracle execution, source mutation, Git mutation or Gitea publication occurred. Updated AGENTS blob `767be18f086c04b7a688b107808e97ac98881356` applies. This report and evidence are **local-only**, pending parent publication; this is **not full native acceptance**.
+
+The launch receipt identifies source `44095f78c28b79d6d085863dc928adba8e24d955`, staged GUI117,171,712 bytes/SHA256 `95f0c3e9ea1521dbc555e5330f26e105bd9065b9fb4207980f6d7ae62d2ef99a`, and PID6772 at launch. `launch.json` SHA256 is `b88fcb97ed93964dbfca4957384629c2098746da20e6b9973923d2b33f612cc9`. These are recorded launch bindings; this review does not inspect the currently running process or repeat the full stage/build admission.
+
+## Findings and disposition
+
+**Confirmed failure, P2: Details→Preview loses the review viewport (043–045).** Frame043 shows the unaccepted `assess_report_union_trial` proposal in `sa/reporting.arcadia`, file1/2, hunk1/3, rows1–7/7, scrolled so declaration line11 and its before/after aliases are visible. Frame044 shows Full details for the same function, origin/displayed file and aliases. Returning to Preview in045 keeps those selectors/proposal but returns the overflow to line8/top; declaration line11 is no longer visible. This is actual viewport loss, not a changed file/hunk. It interrupts inspection of the selected change. Parent reports an isolated correction under `.local/rs`; no correction source or native acceptance was reviewed here. Required falsifier: on a corrected identified build, repeat this same destination/scroll round trip and retain the viewport; separately verify intentional file/hunk/filter destination changes still start appropriately. Preserve043–045 as failed440 evidence.
+
+**Observed focus friction, bounded: navigation-highlighted placement is not immediately keyboard-delete ready (051–053).** Work view40 and Target work are visibly selected in051;052 after the reported Delete input is visually unchanged. After the reported explicit canvas click,053 removes the placement and clearly says “Hidden from this diagram · Model element preserved · Undo restores the placement.” The snapshots establish the eventual correct removal, not that initial navigation transfers canvas keyboard focus. This is an unresolved usability/focus-policy question, not proof of semantic deletion failure. The lack of a confirmation modal for placement hiding is intentional in this task's contract and is not a defect finding. The evidence does not establish why the first Delete was ignored.
+
+No mismatch was found in the ten saved checkpoint inventories, source bytes or recorded comparator outputs.
+
+## Supported passes, with their actual evidence
+
+| Scoped behavior | Evidence and bounded conclusion |
+| --- | --- |
+| Word replacement and restoration after Find Close | 005/006 visibly retain the whole `Includes` selection;007 contains `// x organize documents…`, preserving the rest of the comment;008 restores `Includes` and clean status. A real replacement result supports operational selection, rather than highlight paint alone. |
+| Line replacement and restoration after Find Escape | 009/010 show the full indented comment selected;011 contains only `x` in its place, with the adjacent includes intact and an explicit unknown-declaration diagnostic;012 restores the comment and clean status. The invalid draft is deliberate, not a source persistence failure. |
+| Word replacement after file navigation | Notes013–015 describe project→oa→project. Actual014 replaces only `Includes`;015 restores it. The later Cancel snapshot is byte-identical to all six baseline files, supporting final restoration of the earlier draft probes. Individual unsaved drafts were not separately serialized. |
+| Rename preview, Cancel and acceptance | 016 explicitly presents two changed files/six changed lines and says engineering name stays unchanged, one model change, Save separate. 018 shows declaration alias-only change with name/UUID retained;023 shows the second diagram reference. 017 closes the modal without rename; its saved checkpoint exactly matches baseline. 024 shows the accepted alias selected, “Undo rename,” unsaved status and preserved name/UUID. 025 shows saved status. |
+| Rename Undo, Redo and reopen | 026 restores the original alias with Redo enabled;027 restores the accepted alias. The saved Undo is exact baseline, while saved rename/Redo/reopen are the exact independent expected six-token change. 028 shows reopened architecture,029 the renamed declaration with UUID403, clean state and preserved comments. Reopen here means reopening the saved project in the existing GUI session, not process restart. |
+| Source→diagram→source identity | 034's chooser names `Assess report · @assess_report_union`, two destinations/two representations, explicit selected row/filter and keyboard instructions. 036 selects Assess report in SA functional containment with tree, canvas and Inspector agreeing on name/alias and UUID`00000000-0000-4000-8000-000000000403`. 037 offers target-named actions, differentiates disabled counterpart review and placement hide versus model delete. 038 selects the declaration in the owning included module with the same alias/UUID. Saved navigation/final-source checkpoints retain the complete renamed expected source. |
+| Chooser dismissal and scoped Escape | 035 shows the selected allocation use replaced by `@x` after reported chooser Escape, with the expected unknown-reference draft diagnostic. 040 retains References after Find is dismissed;041 removes References while the alias Word selection remains;042 replaces just that alias with `x`. The final-source snapshot proves restoration to the accepted rename after these draft probes and cancellation of the later trial proposal. |
+| Modal/preview cues | 043–047 retain the unaccepted proposal and distinguish before/after, target/file, file/hunk position and disabled navigation. The045/046 pair is consistent with reported F12 being blocked while approval remains open; it is not a general shortcut-isolation proof. 047's `views` filter selects file2/2 `views.arcadia`, hunk1/2 at line37, with Previous/Next file disabled for one match. This intentional destination transition must remain distinct from the failed same-destination Details return. |
+| Compact placement hide/Undo/Redo | 050 clearly selects the second of three destinations, Work view40. 051 reveals the correct placement while Inspector identifies semantic work UUID`de1e7e00-0000-4000-8000-00000000000a`. 053 hides only the placement;054 restores it;055 hides it again while tree/Inspector retain the work. Saved hidden and Redo snapshots are identical; saved Undo is exact baseline. |
+
+At the captured1442×932 window size, modal targets, selected chooser rows, primary actions and disabled alternatives are distinguishable and readable. The source editor leaves substantial vertical space to controls/diagnostics above the code, reducing visible context; these frames do not establish behavior at smaller windows or accessibility scale. Persistent footer text such as “All source files saved” can coexist with the upper “Unsaved changes”/“Drafts pending” state in draft probes035/042; the upper current-state cues and immutable saved checkpoints were used, not the historical footer alone.
+
+## Independent saved-byte and receipt checks
+
+For every checkpoint below, I recomputed the actual complete `tree/` directory/file inventory and every file's byte length/SHA256. They match all recorded `before`, `copy`, `after`, `final_work` and `final_copy` maps. The immutable baseline matches the recorded before/final maps. The copied `oracle-run.json` is byte-identical to its original run receipt; the recorded receipt and raw stdout/stderr hashes match the actual files. All ten wrapper/oracle exits are0, with `outcome:passed`, no failure and no changed inputs. Exact baseline/candidate entry paths, mode and target arguments were checked. This validates historical completed comparisons; I did not rerun them or compare a changing live work tree with an earlier snapshot.
+
+| Checkpoint directory under `checkpoints/` | Result | `checkpoint.json` SHA256 |
+| --- | --- | --- |
+| source-cancel-saved-440 | Exact baseline; same oracle pass | `44ef73ef25faece67851c45f8ab062bfebe5f40ab44ea2a947cda280f84fb2b1` |
+| source-rename-saved-440 | Exact independent rename; renamed oracle pass | `7891000132dc94e20c0d67e34e420f505d6cb2091b8bede889e4445685be34d4` |
+| source-undo-saved-440 | Exact baseline; same oracle pass | `c7ab52324611f1025172637ecf50bf692ae5efaed91d190cf2fd7f9ec7503d6a` |
+| source-redo-saved-440 | Exact independent rename; renamed oracle pass | `606a50085eb3fd8e12a715cb39462b53a2e1309ebdfea9bcd1d0cdb6e349e968` |
+| source-reopened-saved-440 | Exact independent rename; renamed oracle pass | `71085423b4ceb4aae53146cf79c0800c283dbf9b0dc4dae1e55a1a4f36487f7d` |
+| source-navigation-saved-440 | Exact independent rename; renamed oracle pass | `dd13938295a15e3372b7c72a0429e7a2b57d15e6f1e9d70444bb1ddeaef5896c` |
+| source-final-source-saved-440 | Exact independent rename; renamed oracle pass | `e0c486f2cf020eea84b2d0611bcd3e879de63e9102c054b8a908ec8e90ac5acb` |
+| compact-placement-hidden-saved-440 | Exact requested placement-removal candidate | `00a85b893cd402a313f4e8ddf3616ac78de046ddb0837c75dbb7e49bee62fbbe` |
+| compact-placement-undo-saved-440 | Exact baseline; same oracle pass | `2004db33e1a55d2961732bebaf2b065be38801bcfd2f0df0cf0123f044c9c03d` |
+| compact-placement-redo-saved-440 | Identical to hidden snapshot; removed oracle pass | `28d048b4330d76651491640cffd57afb1114135d599e595901353fdf38c2ff43` |
+
+Source snapshots each contain six files. I independently reapplied the six fixed byte-offset replacements from `source-rename-expected/intent.json` (SHA256 `e15b26cda4e282643eb098d9ada6b0b2ade387957d5b7a49a67e28b78a05c88a`) to the bound baseline bytes: four in `sa/reporting.arcadia`, two in `views.arcadia`. Every reconstructed expected byte agrees with the prepared expected tree and the five renamed snapshots; the other four files remain exact. This is additional evidence to the baseline-derived core rename oracle.
+
+Compact snapshots each contain `project.arcadia` and `notes.arcadia`. The entire actual source diff is at `node node_41`, UUID`de1e7e00-0000-4000-8000-000000000029`, which references `@view_40` and `@delete_10`. That declaration's tokens disappear with the ordinary updater's whitespace/blank-line residue; the surrounding source and `notes.arcadia` stay unchanged. The comparator's removed expectation is core `Command::Delete` of this placement UUID, followed by the ordinary source patch and complete Project/SourceBundle comparison. This is not an independent implementation of deletion semantics, but the explicit target, source diff and retained semantic identity in frames corroborate the requested placement-only scope. The alias-only model expectation is independently assigned before the core rename command is checked. Neither oracle compares only object counts. Existing non-error fixture diagnostics are permitted and retained; a pass does not claim a warning-free engineering model.
+
+## Evidence bindings and limits
+
+Actual full images inspected:005–012,014–018,023–029,034–038,040–047,050–055 (39 images). Notes001–055 were inspected for sequence/context. Notes are operator observations, not a replay of individual inputs; screenshots show their resulting states. Frame002 has a note/dialog record but no JPEG; its private-Desktop/file-picker setup issue was not independently exercised.
+
+The complete001–055 evidence set contains109 files (55 JSON notes,54 JPEGs). Its aggregate binding is SHA256 `9d52787d9c9f734e7968c299e535f7e0229499088bd6afa752fe874753f753c4`: SHA256 of UTF-8 `json.dumps(rows, sort_keys=True, separators=(',', ':'))`, with rows ordered by filename and each row exactly `{path: filename, bytes: file_length, sha256: file_digest}`. Key failure-image bindings are043 `6913a8d2868e6cd3ed34b11abc4c8da6679dac77dbd3b94ba7af6bb70055101a`,044 `90a13274497de7eff3851374f59264e16a5fe66a8ea19d8e1d22895176c5b4df`,045 `3b07848e5d9ce60734024618f6b9ab32f86463cec368ec8c81b416ae56630fff`.
+
+Unestablished here: the pending scroll fix; complete keyboard-focus transfer after diagram navigation; general modal shortcut isolation; topology/lifecycle fixture acceptance; broader drag/resize/delete/recovery flows; load/performance behavior; other window sizes/platforms; actual process restart or normal closure; fresh-package native acceptance; and publication. Later evidence beyond055 is outside this review. The checkpoint helper was originally prepared by this reviewer; this review independently checks its saved outputs and oracle evidence, and is not a fresh independent source review of that helper itself.
diff --git a/harness/experiments/navigation-native-440-20260913/verify.py b/harness/experiments/navigation-native-440-20260913/verify.py
new file mode 100644
index 00000000..7a755f6b
--- /dev/null
+++ b/harness/experiments/navigation-native-440-20260913/verify.py
@@ -0,0 +1,207 @@
+"""Verify saved bytes, receipts and Git identities. Never launch application/oracle code."""
+from pathlib import Path
+import argparse
+import hashlib
+import io
+import json
+import subprocess
+import sys
+
+if sys.flags.optimize:
+    raise SystemExit('Optimized Python is forbidden; no checks may be disabled')
+
+SOURCE = '44095f78c28b79d6d085863dc928adba8e24d955'
+ORACLE = 'e1240295bd114d23d3f67a69e6b38bdb2e25bb0d'
+BASE = 'cccd66c5d522497dbecb28ce722644848943d009'
+ORIGINAL_ROOT = 'C:/Users/User/Documents/Git/ARCADIA-Studio/'
+ARCHIVE = Path(__file__).resolve().parent
+ROOT = ARCHIVE.parents[2]
+
+def require(value, message):
+    if not value:
+        raise ValueError(message)
+
+def identity(data):
+    return {'bytes': len(data), 'sha256': hashlib.sha256(data).hexdigest()}
+
+def binding(row):
+    return {key: row[key] for key in ('bytes', 'sha256')}
+
+def read(path):
+    return json.loads(path.read_bytes())
+
+def canonical(value):
+    return hashlib.sha256(json.dumps(value, sort_keys=True, separators=(',', ':')).encode()).hexdigest()
+
+def inventory(folder):
+    items = list(folder.rglob('*'))
+    require(all(not p.is_symlink() for p in items), 'Symlink in fixture')
+    return {'directories': sorted(p.relative_to(folder).as_posix() for p in items if p.is_dir()),
+            'files': {p.relative_to(folder).as_posix(): identity(p.read_bytes()) for p in sorted(items) if p.is_file()}}
+
+def blobs(specs):
+    output = subprocess.check_output(['git', '-c', 'core.longpaths=true', 'cat-file', '--batch'],
+        cwd=ROOT, input=('\n'.join(specs) + '\n').encode())
+    stream = io.BytesIO(output)
+    result = []
+    for spec in specs:
+        parts = stream.readline().split()
+        require(len(parts) == 3 and parts[1] == b'blob', 'Missing Git blob: ' + spec)
+        data = stream.read(int(parts[2]))
+        require(len(data) == int(parts[2]) and stream.read(1) == b'\n', 'Malformed Git batch')
+        result.append(data)
+    require(not stream.read(), 'Trailing Git batch bytes')
+    return result
+
+parser = argparse.ArgumentParser(description=__doc__)
+parser.add_argument('--git-ref', help='Also check exact archive blobs and membership at this commit')
+args = parser.parse_args()
+manifest = read(ARCHIVE / 'manifest.json')
+require(manifest['schema'] == 'closed-native440-evidence-v1', 'Unknown schema')
+require((manifest['source'], manifest['oracle_source'], manifest['publication_base']) == (SOURCE, ORACLE, BASE), 'Source pins differ')
+all_rows = manifest['files'] + manifest['references']
+paths = [row['path'] for row in all_rows]
+require(len(paths) == len(set(paths)), 'Duplicate payload/reference path')
+originals = {}
+for row in all_rows:
+    path = ROOT / row['path']
+    require(not Path(row['path']).is_absolute() and path.resolve().is_relative_to(ROOT), 'Escaping payload')
+    require(path.is_file() and not path.is_symlink(), 'Missing payload: ' + row['path'])
+    require(identity(path.read_bytes()) == binding(row), 'Payload bytes differ: ' + row['path'])
+    if 'original' in row:
+        require(row['original'] not in originals, 'Duplicate original mapping')
+        originals[row['original']] = path
+own = {p.relative_to(ROOT).as_posix() for p in ARCHIVE.rglob('*') if p.is_file()}
+manifest_path = (ARCHIVE / 'manifest.json').relative_to(ROOT).as_posix()
+require(own == {r['path'] for r in manifest['files']} | {manifest_path}, 'Archive inventory differs')
+require(all(Path(p).suffix.lower() not in ('.exe', '.dll', '.pdb', '.rlib', '.rmeta') for p in own), 'Binary/cache in archive')
+for row, data in zip(manifest['references'], blobs([BASE + ':' + r['path'] for r in manifest['references']])):
+    require(row['commit'] == BASE and identity(data) == binding(row), 'Published reference differs')
+
+def original(path):
+    key = str(path).replace('\\', '/')
+    if key.startswith(ORIGINAL_ROOT):
+        key = key[len(ORIGINAL_ROOT):]
+    require(key in originals, 'Original not archived/referenced: ' + key)
+    return originals[key]
+
+trial = ARCHIVE / 'raw/trial'
+audit = read(ARCHIVE / 'review/navigation-native-final-independent-audit-20260913.json')
+evidence = [{'path': p.name, **identity(p.read_bytes())} for p in sorted((trial / 'evidence').iterdir())]
+require(len(evidence) == 157 and sum(r['path'].endswith('.json') for r in evidence) == 79 and sum(r['path'].endswith('.jpg') for r in evidence) == 78, 'Evidence count differs')
+require(evidence == audit['evidence'] and canonical(evidence) == '25c4ff90e456f0bd7ee33f78d8e1dee451c5e5e636fb3bff4b8fc73a35e738c2', 'Evidence map differs')
+require(canonical([r for r in evidence if int(r['path'][:3]) <= 55]) == '9d52787d9c9f734e7968c299e535f7e0229499088bd6afa752fe874753f753c4', 'Original failed evidence changed')
+for p in (trial / 'evidence').glob('*.json'):
+    note = read(p)
+    require(note['window']['app'].replace('\\', '/').endswith('/navigation-selection-stage-44095f7/arcadia-studio.exe'), 'Wrong screenshot application')
+
+expected_names = {
+    'source': ['cancel-saved-440', 'rename-saved-440', 'undo-saved-440', 'redo-saved-440', 'reopened-saved-440', 'navigation-saved-440', 'final-source-saved-440'],
+    'compact': ['placement-hidden-saved-440', 'placement-undo-saved-440', 'placement-redo-saved-440', 'placement-final-undo-saved-440', 'navigation-final-saved-440'],
+    'lifecycle': ['navigation-saved-440'], 'topology': ['navigation-final-saved-440']}
+names = {kind + '-' + label for kind, labels in expected_names.items() for label in labels}
+require({p.name for p in (trial / 'checkpoints').iterdir()} == names, 'Checkpoint membership differs')
+intent = read(trial / 'source-rename-expected/intent.json')
+require(len(intent['edits']) == 6 and intent['target_uuid'] == '00000000-0000-4000-8000-000000000403', 'Wrong rename intent')
+expected = {}
+for row in intent['inputs']:
+    data = (trial / 'source-baseline' / row['path']).read_bytes()
+    require(identity(data) == binding(row), 'Rename baseline differs')
+    edits = sorted((e for e in intent['edits'] if e['path'] == row['path']), key=lambda e: e['start'], reverse=True)
+    for e in edits:
+        require(data[e['start']:e['end']] == e['old'].encode(), 'Wrong old rename token')
+        data = data[:e['start']] + e['new'].encode() + data[e['end']:]
+    require(data == (trial / 'source-rename-expected/expected' / row['path']).read_bytes(), 'Independent rename differs')
+    expected[row['path']] = identity(data)
+
+launch = read(trial / 'launch.json')
+closure = read(trial / 'closure.json')
+stage = read(ARCHIVE / 'raw/stage/manifest.json')
+config = read(ARCHIVE / 'raw/helpers/navigation-selection-native-final-44095f7.json')
+require(launch['source'] == closure['source'] == stage['source'] == config['source'] == SOURCE, 'Native source differs')
+require(launch['pid'] == closure['pid'] == 6772 and closure['exit'] == 0 and closure['stage_unchanged'] is True, 'Normal closure missing')
+require(closure['utc'] == '2026-09-13T10:20:14.983254+00:00', 'Wrong trial closure')
+require(identity((ARCHIVE / 'raw/stage/manifest.json').read_bytes()) == launch['stage_manifest'], 'Stage manifest binding differs')
+require(identity(original('.local/navigation-palette-native-session-command-r2.py').read_bytes()) == launch['helper'], 'Launcher binding differs')
+require(identity(original('.local/navigation-selection-native-final-44095f7.json').read_bytes()) == launch['config'], 'Config binding differs')
+require(read(trial / 'launch-request.json').items() <= launch.items(), 'Launch request differs')
+for stream in ('stdout', 'stderr'):
+    require(identity((trial / (stream + '.log')).read_bytes()) == closure[stream] and closure[stream]['bytes'] == 0, 'Native stream differs')
+require(json.loads(original('.local/navigation-native-launch-r2-20260913.log').read_text().splitlines()[-1]) == closure, 'Supervisor closure log differs')
+oracle_build = read(original(config['oracle']['build']['path']))
+require(oracle_build['source'] == oracle_build['head_after'] == ORACLE and oracle_build['exit'] == 0 and oracle_build['outcome'] == 'passed', 'Oracle build failed/misbound')
+require(binding(oracle_build['binary']) == binding(config['oracle']['binary']), 'Oracle binary identity differs')
+omitted = {config['oracle']['binary']['path']: binding(config['oracle']['binary']),
+    '.local/toolchain/llvm-mingw-20260908-ucrt-x86_64/bin/libunwind.dll': binding(config['runtime'])}
+for name in sorted(names):
+    folder = trial / 'checkpoints' / name
+    cp = read(folder / 'checkpoint.json')
+    actual = inventory(folder / 'tree')
+    baseline = inventory(trial / (cp['fixture'] + '-baseline'))
+    require(cp['status'] == 'PASS' and cp['inputs_unchanged'] is True, 'Checkpoint failed: ' + name)
+    require(all(cp[k] == actual for k in ('before', 'copy', 'after', 'final_work', 'final_copy')), 'Snapshot inventory mismatch')
+    require(cp['baseline_before'] == cp['final_baseline'] == baseline, 'Baseline inventory mismatch')
+    for path, wanted in cp['watched_inputs'].items():
+        require(identity(original(path).read_bytes()) == binding(wanted), 'Watched input differs')
+    require(identity(original('.local/checkpoint-navigation-palette-20260913.py').read_bytes()) == cp['helper'], 'Checkpoint helper differs')
+    run = read(folder / 'oracle-run.json')
+    require((folder / 'oracle-run.json').read_bytes() == (trial / ('checkpoint-' + name) / 'run.json').read_bytes(), 'Copied run differs')
+    require(identity((folder / 'oracle-run.json').read_bytes()) == cp['oracle']['receipt'], 'Run receipt binding differs')
+    require(cp['oracle']['exit'] == run['exit'] == 0 and run['outcome'] == 'passed' and run['failure'] is None and run['inputs_unchanged'] is True and run['changed_inputs'] == [], 'Oracle failed')
+    require(run['source'] == ORACLE and run['verified_core_inputs'] == 111, 'Oracle source scope differs')
+    require(run['command'][1] == cp['mode'] and original(run['command'][2]).parent == trial / (cp['fixture'] + '-baseline') and original(run['command'][3]).parent == folder / 'tree', 'Oracle mode/entries differ')
+    for path, wanted in run['inputs_before'].items():
+        key = path.replace('\\', '/').removeprefix(ORIGINAL_ROOT)
+        if key in omitted:
+            require(binding(wanted) == omitted[key], 'Omitted binary binding differs')
+        else:
+            require(identity(original(path).read_bytes()) == binding(wanted), 'Oracle input differs')
+    for stream in ('stdout', 'stderr'):
+        require(identity(original(run[stream]['path']).read_bytes()) == binding(run[stream]), 'Oracle raw stream differs')
+    require(all(line.startswith('Permitted non-error diagnostic in ') for line in original(run['stderr']['path']).read_text().splitlines()), 'Unexpected oracle diagnostic')
+    if cp['mode'] == 'same':
+        require(actual == baseline and cp['exact_baseline_bytes'] is True, 'Same-mode bytes differ')
+    elif cp['mode'] == 'renamed':
+        require(actual['files'] == expected and run['command'][4:] == ['00000000-0000-4000-8000-000000000403', 'assess_report_union'], 'Renamed expectation differs')
+    elif cp['mode'] == 'removed':
+        require(run['command'][4:] == ['de1e7e00-0000-4000-8000-000000000029'], 'Wrong removal UUID')
+    else:
+        require(False, 'Unexpected checkpoint mode')
+
+for key, row in config['build'].items():
+    require(identity(original(row['path']).read_bytes()) == binding(row), 'Build raw binding differs: ' + key)
+build = read(original(config['build']['result']['path']))
+require(build['source'] == build['head_after'] == SOURCE and build['exit'] == 0 and build['outcome'] == 'passed' and build['failure'] is None and build['changed_inputs'] == [], 'Original build failed/misbound')
+records = [json.loads(line) for line in original(config['build']['stdout']['path']).read_text().splitlines()]
+require(any(row.get('reason') == 'build-finished' and row.get('success') is True for row in records), 'No successful build-finished record')
+for artifact in build['artifacts']:
+    require(artifact['cargo_artifact'] in records and binding(artifact) == stage['payloads'][artifact['name'] + '.exe'], 'Cargo/stage artifact differs')
+    require(artifact['cargo_artifact']['profile'] == {'opt_level': '0', 'debuginfo': 0, 'debug_assertions': True, 'overflow_checks': True, 'test': False}, 'Build profile differs')
+require(stage['payloads']['arcadia-studio.exe'] == launch['gui'] and stage['payloads']['libunwind.dll'] == launch['runtime'] and stage['profile'] == 'unoptimized development', 'Launch/profile differs')
+inputs = read(original(config['build']['inputs']['path']))
+require(inputs['source'] == SOURCE and len(inputs['inputs']) == 615, 'Wrong build inputs')
+captured = {row['path']: binding(row) for row in inputs['inputs']}
+require(len(captured) == 615, 'Duplicate build input')
+for pin in (SOURCE, BASE):
+    for path, data in zip(captured, blobs([pin + ':' + p for p in captured])):
+        require(identity(data) == captured[path], 'Source Git bytes differ: ' + pin + ':' + path)
+def core(rows):
+    return {r['path']: binding(r) for r in rows if r['path'].startswith(('crates/oa-core/', '.cargo/')) or r['path'] in ('Cargo.toml', 'Cargo.lock', 'rust-toolchain.toml')}
+old = read(original('.local/navigation-palette-gates-20260913/list-e124029.inputs.json'))
+equivalent = core(old['inputs'])
+require(equivalent == core(inputs['inputs']) and len(equivalent) == 111, 'Oracle/440 core equivalence differs')
+for path, data in zip(equivalent, blobs([ORACLE + ':' + p for p in equivalent])):
+    require(identity(data) == equivalent[path], 'Oracle Git source differs')
+for name in names:
+    require({r['path']: binding(r) for r in read(trial / ('checkpoint-' + name) / 'verified-core-inputs.json')} == equivalent, 'Run core snapshot differs')
+if args.git_ref:
+    own_paths = sorted(own)
+    for path, data in zip(own_paths, blobs([args.git_ref + ':' + p for p in own_paths])):
+        require((ROOT / path).read_bytes() == data, 'Archive Git bytes differ: ' + path)
+    tree = subprocess.check_output(['git', '-c', 'core.longpaths=true', 'ls-tree', '-r', '--name-only', args.git_ref, '--', ARCHIVE.relative_to(ROOT).as_posix()], cwd=ROOT).decode().splitlines()
+    require(set(tree) == own, 'Committed archive membership differs')
+print(json.dumps({'payload_files': len(manifest['files']), 'published_references': len(manifest['references']),
+    'notes': 79, 'images': 78, 'checkpoints': 14, 'source_inputs': 615, 'equivalent_oracle_inputs': 111,
+    'source': SOURCE, 'oracle_source': ORACLE, 'closure_exit': closure['exit'], 'git_ref': args.git_ref,
+    'manifest_sha256': identity((ARCHIVE / 'manifest.json').read_bytes())['sha256'],
+    'scope': 'Portable byte/receipt/Git verification only. Known scroll FAIL preserved; no feature/package acceptance.'}, indent=2))