Verify Windows contextual authoring and preserve postboot evidence

harness/TASK_LEDGER.md

@@ -2,8 +2,21 @@
 
 Updated 2026-09-11 by Codex-9e8r6t `/root`. Full release not accepted.
 
-User requested a reboot pause. All local workers and native/compiler processes
-are stopped; [RESTART_HANDOFF.md](RESTART_HANDOFF.md) records exact resumable state.
+User resumed after enabling virtualization and explicitly authorized installing
+Ubuntu26.04 in WSL2. [RESTART_HANDOFF.md](RESTART_HANDOFF.md) is the historical
+pause; STATE.md owns current capacity, compiler and native status.
+User also explicitly permits disk cleanup including caches. Both scoped cache
+deletion commands were rejected before execution; nondeleting compression
+recovered space with all282 generated-binary hashes unchanged. Ordinary Ubuntu
+installation and an initial actual WSL2 root shell passed. Current VirtioProxy
+startups fail before guest execution, and a distinct WslService restart was
+denied by OS permissions. Owner328 remains the newest WSL solution after the
+latest issue check through348; its exact configuration is already applied.
+Five Rust components and60 apt packages are downloaded and hash-verified;
+guest signature verification/install and application acceptance remain pending.
+The user's latest direction pauses Linux work until they notify us that WSL
+networking is resolved. Continue Windows/product work; preserve existing Linux
+configuration, verified inputs and evidence without further setup/checks.
 
 ## Goal and success criteria
 
@@ -57,7 +70,8 @@ fields/identities, autofocus and Escape/Save As behavior. The D4D9 blank-canvas
 finding motivated the newer first-action implementation. Detailed historical
 suite and native scopes remain in [STATE.md](STATE.md) and its linked reports.
 Mounted geometry and bounded package passes do not establish full release
-acceptance. This local host still lacks a current Linux runtime.
+acceptance. This local host has installed Ubuntu26.04 but lacks a currently
+usable guest session, installed build prerequisites or Linux application pass.
 
 Current grammar supports omitted initial IDs/defaults, lexical ownership, forward
 references and preserved source. The earlier desktop audit found no exposed
@@ -85,8 +99,11 @@ Clippy, matching GUI build and formatting. The full 675 suite covers only its
 predecessor; no full 676 suite has run. Root launched the exact 52DE82 GUI in
 isolation: Lifeline Save-adoption and Chain direct Create pass complete source,
 one Undo and one Redo. Machine direct Create and one Undo pass; Redo/reopen are
-pending. The saved GUI is closed. Later layout/caption source was independently
-reviewed but its corrected compilation was interrupted before tests for reboot.
+pending for Redo. An isolated postboot real Open/SA view/Save passed the complete
+machine prediction and exact six-file equality; the app closed normally.
+Later layout/caption source was independently reviewed. Postboot focused3 ran25
+passing tests and one overflowing-fixture assertion failure. The stronger
+test-only fixture is frozen; its execution and new GUI remain pending.
 
 Local OA B2 now passes all four Action/State/explicitly bound Reuse/Fragment
 Create, one Undo/Save, one Redo/Save and final OA reopen/Save against independent