Complete source 6 engineering workflows and preserve release validation evidence

2026-09-06 21:49:04 -07:00
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+# Existing-core interface-operation expressivity probe
+
+`probe.rs` is a standalone executable using the unchanged shared core. It writes
+three deterministic complete model/source snapshots under a supplied directory.
+There is no proposed DTO implemented in this helper and no native input.
+
+Observed result, 2026-09-06:
+
+- Valid baseline:12 elements/5 relations, one System/Actor pair, two Standard
+  ports, one boundary/interface, two Synchronous parameterless Operation items,
+  two participant lifelines and two Calls.
+- Both Calls' typed bodies are identical. Their names express different intent;
+  neither Call references its intended item/allocation identity.
+- Using item or allocation as the existing exchange reference rejects with
+  `occurrence_exchange`; adding an `operation` field to the typed JSON rejects as
+  unknown. No undiscovered existing selector is being relabeled missing.
+- Renaming then deleting Reset preserves the Call body and leaves the Call
+  structurally valid, because there is no maintained operation-use reference.
+- Explicit functional refinement distinguishes the two messages and preserves the
+  same boundary, but adds6 elements (two Functions/four ports) and10 relationships.
+  It is a real alternative when that refinement is intended, not a zero-cost
+  encoding of the unrefined interface-only model.
+- All three output models pass complete source and JSON round trips. No core or
+  desktop production file was changed.
+
+The first helper compile lacked explicit validation imports; initial construction
+also used the disabled generic Port factory and reversed Allocation/PortAllocation
+directions. Those helper errors were corrected before the successful full run.
+They are not product defects. Final compilation used `-D warnings` and succeeded.
+
+Reproduce only after coordinating stable rlibs/shared resources:
+
+```powershell
+. .local/toolchain/env.ps1
+rustc --edition 2024 -D warnings -C linker=clang.exe --extern oa_core=.local/target-gnullvm/debug/deps/liboa_core-6c8da57367eec642.rlib --extern serde_json=.local/target-gnullvm/debug/deps/libserde_json-da2c4f333fc47818.rlib -L dependency=.local/target-gnullvm/debug/deps harness/fixtures/interface-operation-probe/probe.rs -o .local/native-fixtures/interface-operation-probe.exe
+.local/native-fixtures/interface-operation-probe.exe NEW_OUTPUT_DIRECTORY
+```
+
+Final output is retained in `.local/native-fixtures/interface-operation-probe.log`.
+The tracked `output/` files are probe oracles, not native acceptance fixtures.
+See [the proposed contract](../../release-interface-operation-contract-20260906.md).