Reorganize Blender Web execution around capabilities

docs/status/C0-001.md

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+# C0-001 Status
+
+status: done
+task: freeze_and_snapshot
+gate: G0
+updated: 2026-08-23 America/New_York
+
+The read-only checkpoint was captured for legacy `M16-GAP-00274`. Queue current
+task and parent `nextTask` both remain `M16-GAP-00274`; exactly one catalog task
+is active and matches the generated plan first task. The two baseline JSON files
+are byte-identical and the protected source hashes are unchanged.
+
+Evidence: `tests/golden/corrective/C0-001/`.
+Next corrective task: `C0-002`.

docs/status/C0-002.md

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+# C0-002 Status
+
+status: done
+task: reconcile_generated_state
+gate: G0
+updated: 2026-08-23 America/New_York
+
+The staging-only dry run scanned 274 legacy M16 evidence directories and found
+1,380 governance issues: 1,355 artifact hash drifts across 23 paths, 24 missing
+`task-context.json` files, and one `PLAN_NONDETERMINISTIC` failure. The report
+binds its deterministic `inputDigest` to the current corrective plan source hash;
+dry-run and write both produced
+`41de2aa1e9456d42ea3dc4ff5121437d9ae759e1df74b56184b728242a6552d2`. The reports
+also retain a gap-ID-based registry comparison and an ordered repair plan. They
+produced no candidate generated state and did not write the legacy queue, plan,
+catalog, index, parent manifest, or parent status.
+
+The post-checks confirm `check-task-index`, task-context, context-governance and
+`git diff --check` pass; `check-blender-next-task-plan` exits 1 because the
+existing generated plan is not deterministic. Evidence is recorded under
+`tests/golden/corrective/C0-002/`, including the refreshed reports and handoff;
+the guarded dry-run and `--write` commands each exit 2 with the same issue
+summary, and write reports `writeOutcome=NO_FILES_WRITTEN`. No `staged/`
+directory or candidate generated file was created.
+
+The corrective handoff is complete. Continue with `C0-003`; do not advance any
+M16 successor or mutate the legacy queue.
+
+Recovery audit: the plan mismatch is reproducible because the committed plan and
+task catalog mark `M16-GAP-00265` through `M16-GAP-00273` completed while
+`completed-gap-tasks.json` contains only `operator:asset.asset_download` from
+that run. The historical artifact hashes for the shared checker, generated plan,
+and older WASM are not present in reachable Git history, dangling Git blobs,
+another local checkout, or the available build/archive outputs. A few source
+snapshots (for example `scene-ir.ts` and the reader) are recoverable, but they
+are insufficient to validate the complete manifest set. No historical manifest
+or registry was rewritten; an immutable source snapshot is required before G0
+can be cleared.
+
+Authorized correction: the current-worktree re-sign was performed only in
+`tests/golden/corrective/C0-002/staged/`. It produced 273 completed registry
+entries, deterministic plan/catalog/index candidates with active task
+`M16-GAP-00274`, 274 staged manifests, 24 repaired contexts, one staged
+`M15-03E` parent-pointer repair, and a 1,848-file source snapshot totaling
+68,399,904 bytes. The independent staged validator passed all candidate hash,
+parent-link, registry, plan, index, and determinism checks. No legacy file was
+overwritten and `queueMutation` remains `false`.

docs/status/C0-003.md

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+# C0-003 Status
+
+status: done
+task: classify_legacy_273
+gate: G0
+updated: 2026-08-23 America/New_York
+
+The deterministic corrective classification covers all 273 staged legacy M16
+records. It reports 20 `FEATURE_PARITY`, 10 `METADATA_ONLY`, 219
+`NEGATIVE_BOUNDARY`, and 24 `BLOCKED` records. `FEATURE_PARITY` is fail-closed:
+every such record has L2/L3 evidence, desktop positive evidence, explicit
+WASM/Main mutation, `saveReopen=EXACT`, and non-empty source hashes.
+
+The second generation is byte-identical for the classification, cluster summary,
+and report. Feature, count, evidence-reference, mapping, negative-boundary,
+context, governance, plan, index, and diff gates all exited 0. The handoff binds
+`inputDigest=f6779e07fcd65528e9b998b1a627b8d064ebf09b4bccde95c39530d2cf261169`
+and preserves `queueMutation=false`; protected legacy source hashes match the
+C0-001 checkpoint.
+
+Evidence and manifest: `tests/golden/corrective/C0-003/`.
+Next corrective task: `C1-001`.

docs/status/C1-001.md

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+# C1-001 Status
+
+status: done
+task: define_parity_levels
+gate: G1
+updated: 2026-08-23 America/New_York
+
+C1-001 defines the ordered L0-L5 parity contract and the fail-closed completion
+policy. L0/L1 cover read and observe evidence; L2-L5 require progressively
+stronger WASM mutation, persistence, operator semantics, and Chromium workflow
+receipts. Only explicit desktop-positive, WASM/Main-mutating, exact-persistence
+records with complete hashes may remain FEATURE_PARITY candidates.
+
+The focused contract test passed four assertions. Source bindings to the C0-003
+classification, cluster summary, and capability matrix are hash-verified. All
+context, governance, plan, index, source-hash, and diff gates exited 0.
+Corrective writes remain shadow-only with `queueMutation=false`; legacy
+completion and queue writes remain forbidden until C6-003.
+
+Evidence and manifest: `tests/golden/corrective/C1-001/`.
+Next corrective task: `C1-002`.

docs/status/C1-002.md

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+# C1-002 Status
+
+status: done
+task: define_command_result_context_schema
+gate: G1
+updated: 2026-08-23 America/New_York
+
+C1-002 defines versioned command, context, and result envelopes plus a closed
+error/status table. Commands require request identity, base revision, an
+authoritative editable context, and a payload. `FINISHED/OK` is the only
+mutating result; all malformed, unsupported, cancelled, resource, invalid
+context, and revision-conflict outcomes preserve Main revision.
+
+The focused schema test passed five assertions, source bindings are hash-checked,
+and plan/context/governance/index/diff gates all exited 0. The schemas are
+corrective-only and do not connect to runtime or mutate legacy evidence.
+
+Evidence and manifest: `tests/golden/corrective/C1-002/`.
+Next corrective task: `C1-003`.

docs/status/C1-003.md

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+# C1-003 Status
+
+status: done
+task: build_shared_case_runner
+gate: G1
+updated: 2026-08-23 America/New_York
+
+C1-003 adds a shared TypeScript case runner for desktop and WASM adapters. It
+validates the versioned command/context envelope, rejects stale revisions,
+read-only contexts, missing external resources, malformed commands, and
+malformed adapter results before a surface can claim a Main mutation. Result
+normalization enforces the closed status/code table and the revision/dirty
+invariants. Receipt comparison intentionally excludes diagnostic error text
+while comparing semantic result fields.
+
+The reproducible pilot receipt was generated twice and compared byte-for-byte.
+The positive case matched on both surfaces and advanced Main from revision 4
+to 5; revision-conflict and external-resource negative cases matched and kept
+Main unchanged. The focused runner test passed 5/5 assertions. Determinism,
+TypeScript typecheck, task/context governance, corrective-plan governance, and
+`git diff --check` all exited 0. Protected legacy hashes were captured before
+and after execution and are identical; the old M16 queue remains read-only.
+
+Evidence and manifest: `tests/golden/corrective/C1-003/`.
+Next corrective task: `C2-001`.

docs/status/C2-001.md

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+# C2-001 Status
+
+status: done
+task: command_registry_and_validation
+gate: G2
+updated: 2026-08-23 America/New_York
+
+C2-001 adds a typed corrective command registry shared by desktop and WASM
+dispatch. Registry definitions require a valid command name, at least one
+supported target kind, explicit mutating authorization, and an executor;
+duplicate or invalid definitions fail at registration. Dispatch delegates to
+the C1-003 runner, so envelope, revision, edit-mode, source-resource, target,
+and authorization checks all happen before an adapter can run.
+
+The focused registry test passed 5/5 assertions. The pilot receipt matched on
+desktop and WASM for the registered positive command. Unknown, wrong-target,
+wrong-authorization, malformed, and read-only cases all returned normalized
+non-mutating results with Main revision unchanged. Receipt determinism,
+protected legacy hash comparison, typecheck, context/corrective governance,
+task-context, and `git diff --check` all exited 0.
+
+Evidence and manifest: `tests/golden/corrective/C2-001/`.
+Next corrective task: `C2-002`.

docs/status/C2-002.md

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+# C2-002 Status
+
+status: done
+task: atomic_main_mutation
+gate: G2
+updated: 2026-08-23 America/New_York
+
+C2-002 adds an in-memory atomic Main transaction boundary. Commands mutate a
+cloned draft and publish exactly one revision/dirty update only after the
+outcome passes validation. Adapter exceptions, cancellation, malformed
+outcomes, and stale revisions restore the original value, revision, and dirty
+state before the shared runner normalizes the failure result.
+
+The focused transaction test passed 5/5 assertions. Desktop and WASM positive
+receipts matched with revision 4 -> 5; cancellation, malformed outcome, and
+revision conflict all preserved revision 4 and the clean snapshot. Receipt
+determinism, protected legacy hashes, typecheck, context/corrective governance,
+task-context, and `git diff --check` all exited 0.
+
+Evidence and manifest: `tests/golden/corrective/C2-002/`.
+Next corrective task: `C2-003`.

docs/status/C2-003.md

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+# C2-003 Status
+
+status: done
+task: undo_redo_save_invariants
+gate: G2
+updated: 2026-08-23 America/New_York
+
+C2-003 adds a bounded corrective history store over the atomic Main store.
+Commits create one undo snapshot and clear redo; undo/redo restore value,
+revision, and dirty state; save records a clean snapshot; reopen restores that
+snapshot and clears transient history. No-op commits do not create history
+entries.
+
+The focused history test passed 5/5 assertions. Desktop and WASM save/reopen
+snapshots matched exactly. Deterministic receipt generation, protected legacy
+hash comparison, typecheck, context/corrective governance, task-context, and
+`git diff --check` all exited 0.
+
+Evidence and manifest: `tests/golden/corrective/C2-003/`.
+Next corrective task: `C3-001`.

docs/status/C3-001.md

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+# C3-001 Status
+
+status: done
+task: asset_catalog_resource_provider
+gate: G3
+updated: 2026-08-23 America/New_York
+
+C3-001 adds a hash-bound Asset Catalog resource resolver with typed active
+library context and local/external/packed provider identities. Providers return
+defensive byte copies; the resolver requires the request source to match the
+active library, verifies the observed SHA-256 before publication, and fails
+closed for missing providers, hash mismatch, cancellation, malformed input,
+and context mismatch. Resource resolution does not mutate Main.
+
+The focused provider test passed 5/5 assertions. The deterministic receipt,
+protected legacy hash comparison, typecheck, context/corrective governance,
+task-context, and `git diff --check` all exited 0.
+
+Evidence and manifest: `tests/golden/corrective/C3-001/`.
+Next corrective task: `C3-002`.

docs/status/C3-002.md

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+# C3-002 Status
+
+status: done
+task: asset_catalog_positive_command
+gate: G3
+updated: 2026-08-23 America/New_York
+
+C3-002 adds `assetCatalogAppend`, a typed positive catalog command registered
+for the `ASSET_LIBRARY` target. It resolves and hash-verifies the active
+resource before using the C2 atomic Main transaction to append one entry.
+Duplicate IDs, malformed payloads, resource hash failure, and stale revisions
+remain non-mutating.
+
+The focused command test passed 3/3 assertions. Desktop and WASM produced the
+same normalized positive receipt and catalog snapshot. Deterministic receipt,
+protected legacy hashes, typecheck, context/corrective governance,
+task-context, and `git diff --check` all exited 0.
+
+Evidence and manifest: `tests/golden/corrective/C3-002/`.
+Next corrective task: `C3-003`.

docs/status/C3-003.md

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+# C3-003 Status
+
+status: done
+task: asset_catalog_pilot_e2e
+gate: G3
+updated: 2026-08-23 America/New_York
+
+C3-003 runs the same Asset Catalog fixture and command in Chromium through the
+Vite production pilot bridge. The five-case matrix covers positive append,
+duplicate entry, missing provider, stale revision, and malformed payload. The
+positive desktop/WASM receipts match, Main advances once and becomes dirty;
+all negative cases preserve Main. The history store then saves and reopens the
+catalog snapshot with revision 5 and dirty=false.
+
+The Chromium-only pilot passed twice on separate ports and its receipts are
+byte-identical. C3-002 regression, typecheck, context/corrective governance,
+task-context, protected legacy hashes, and `git diff --check` all exited 0.
+The existing App React refresh preamble warning remains in the dev server log,
+but the pilot page and all assertions completed successfully.
+
+Evidence and manifest: `tests/golden/corrective/C3-003/`.
+Next corrective task: `C4-001`.

docs/status/C4-001.md

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+# C4-001 Status
+
+status: done
+task: modifier_positive_pilot
+gate: G4
+updated: 2026-08-23 America/New_York
+
+C4-001 implements a typed `modifierSetEnabled` command for the `MODIFIER`
+target. The command validates its two-field payload, resolves the modifier
+before mutation, and uses the shared atomic Main transaction so malformed,
+stale, wrong-target, and unknown-modifier cases preserve revision and dirty
+state.
+
+The focused Node test and Chromium-only pilot cover desktop/WASM delta parity,
+dirty state, negative rollback, undo/redo, save, and reopen. Deterministic
+receipts and C3-002 regression are recorded under
+`tests/golden/corrective/C4-001/`; legacy queue mutation remains forbidden.
+
+All focused, Chromium, deterministic, regression, typecheck, governance,
+protected-hash, and diff gates exited 0. Handoff manifest:
+`tests/golden/corrective/C4-001/manifest.json`. Next corrective task:
+`C4-002`.

docs/status/C4-002.md

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+# C4-002 Status
+
+status: done
+task: mesh_positive_pilot
+gate: G4
+updated: 2026-08-23 America/New_York
+
+C4-002 implements a typed `meshTranslateVertex` command for the `MESH` target.
+It validates a bounded finite three-axis delta, resolves the vertex before
+mutation, and uses the shared atomic Main transaction so malformed, stale,
+wrong-target, unknown-vertex, and overflow cases preserve geometry and Main
+state.
+
+The focused Node test and Chromium-only pilot cover desktop/WASM geometry delta
+parity, dirty state, negative rollback, undo/redo, save, and reopen. Evidence
+is under `tests/golden/corrective/C4-002/`; legacy queue mutation remains
+forbidden.
+
+All focused, Chromium, deterministic, regression, typecheck, governance,
+protected-hash, and diff gates exited 0. Handoff manifest:
+`tests/golden/corrective/C4-002/manifest.json`. Next corrective task:
+`C4-003`.

docs/status/C4-003.md

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+# C4-003 Status
+
+status: done
+task: pilot_negative_matrix
+gate: G4
+updated: 2026-08-23 America/New_York
+
+C4-003 runs a shared negative matrix over the completed Asset Catalog,
+Modifier, and Mesh pilots. It covers malformed payloads, unsupported targets,
+stale revisions, and missing external resources; every result is normalized to
+a closed failure code and all three Main snapshots remain unchanged.
+
+The Node matrix and Chromium-only pilot are deterministic and include the
+focused family regressions. Evidence is under
+`tests/golden/corrective/C4-003/`; legacy queue mutation remains forbidden.
+
+All focused, Chromium, deterministic, regression, typecheck, governance,
+protected-hash, and diff gates exited 0. Handoff manifest:
+`tests/golden/corrective/C4-003/manifest.json`. Next corrective task:
+`C5-001`.

docs/status/C5-001.md

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+# C5-001 Status
+
+status: done
+task: cluster_legacy_gaps
+gate: G4
+updated: 2026-08-23 America/New_York
+
+C5-001 generates a deterministic evidence-only cluster report from the legacy
+task catalog and the corrective capability matrix. It records ASSET_CATALOG,
+MODIFIER, and MESH family counts, state distributions, representative legacy
+tasks, source-gap coverage, and the completed C3/C4 representative workflows.
+No legacy queue or generated state is mutated.
+
+The report, deterministic second run, cluster gate, protected hashes, context
+governance, task context, and diff evidence are under
+`tests/golden/corrective/C5-001/`.
+
+All cluster, deterministic, typecheck, governance, protected-hash, task-context,
+and diff gates exited 0. Handoff manifest:
+`tests/golden/corrective/C5-001/manifest.json`. Next corrective task:
+`C5-002`.

docs/status/C5-002.md

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+# C5-002 Status
+
+status: done
+task: modularize_gap_runner
+gate: G4
+updated: 2026-08-23 America/New_York
+
+C5-002 adds a typed, data-driven family runner that validates unique case IDs,
+supported families, registry identity, and revisions before dispatching through
+the shared command registry. It returns normalized receipts and a stable
+ASSET_CATALOG/MODIFIER/MESH summary without duplicating per-gap protocol logic.
+
+The Node focused test and Chromium-only pilot cover six positive cases across
+three families and both surfaces. Evidence is under
+`tests/golden/corrective/C5-002/`; legacy queue mutation remains forbidden.
+
+All focused, Chromium, deterministic, regression, typecheck, governance,
+protected-hash, task-context, and diff gates exited 0. Handoff manifest:
+`tests/golden/corrective/C5-002/manifest.json`. Next corrective task:
+`C5-003`.

docs/status/C5-003.md

@@ -0,0 +1,16 @@
+# C5-003 Status
+
+status: done
+task: migrate_legacy_gap_inventory
+gate: G4
+updated: 2026-08-23 America/New_York
+
+C5-003 produces staged-only legacy inventory mapping from the C5-001 clusters,
+C5-002 manifest, catalog, and capability template. It emits coverage,
+capability-manifest, and evidence-classification views while preserving the
+planned lifecycle and avoiding any formal queue or generated-state mutation.
+
+All inventory, deterministic, typecheck, governance, protected-hash,
+task-context, and diff gates exited 0. Handoff manifest:
+`tests/golden/corrective/C5-003/manifest.json`. Next corrective task:
+`C6-001`.

docs/status/C6-001.md

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+# C6-001 Status
+
+status: done
+task: chromium_workflow_gate
+gate: G5
+updated: 2026-08-23 America/New_York
+
+C6-001 runs the Chromium-only representative workflow through open, edit,
+save, undo, redo, and reopen. Each transition records the shared normalized
+receipt and history snapshot; save/reopen returns the edited modifier with
+dirty=false, while undo restores the original revision and value.
+
+Evidence is under `tests/golden/corrective/C6-001/`; legacy queue mutation
+remains forbidden.
+
+All Chromium, deterministic, typecheck, regression, governance, protected-hash,
+task-context, and diff gates exited 0. Handoff manifest:
+`tests/golden/corrective/C6-001/manifest.json`. Next corrective task:
+`C6-002`.

docs/status/C6-002.md

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+# C6-002 Status
+
+status: done
+task: performance_security_gate
+gate: G5
+updated: 2026-08-23 America/New_York
+
+C6-002 samples 50 independent WASM modifier dispatches in Chromium and checks
+p95/max latency against the bounded 100/250 ms budget. The same run verifies
+replay stale revisions, malformed payloads, and an external resource path that
+does not match the active library context; all rejection paths preserve Main.
+
+Evidence is under `tests/golden/corrective/C6-002/`; legacy queue mutation
+remains forbidden.
+
+All Chromium, normalized deterministic, typecheck, regression, governance,
+protected-hash, task-context, and diff gates exited 0. Handoff manifest:
+`tests/golden/corrective/C6-002/manifest.json`. Next corrective task:
+`C6-003`.

docs/status/C6-003.md

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+# C6-003 Status
+
+status: in_progress
+task: reactivate_queue
+gate: G5
+updated: 2026-08-23 America/New_York
+
+The queue reactivation dry-run is complete and deterministic. It records the
+legacy queue and parent hashes, three unique capability mappings, retained
+negative evidence, expected additive candidates, and rollback path. The dry-run
+and write preview bytes match exactly, and the explicit owner review approved
+the protected write.
+
+The queue write completed atomically with exit code 0. `M16-GAP-00276` is now
+`done`, the completion registry/plan/catalog/index were regenerated, and the
+legacy queue points to `M16-GAP-00277` with parent manifest
+`tests/golden/M16-GAP-00276/manifest.json`. The before/after bytes and rollback
+receipt are recorded in `tests/golden/corrective/C6-003/`.

docs/status/M16-GAP-00276.md

@@ -0,0 +1,29 @@
+# M16-GAP-00276 Status
+
+status: done
+task: asset.clear_single operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapAssetClearSingle.blend`.
+  Blender desktop observes the linked-data boundary as `poll=false`, records
+  `CANCELLED` for `ASSET_OT_clear_single`, and confirms no Main mutation.
+  Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+- Focused evidence is complete and the C6-003 owner review approved the
+  protected queue reactivation. The queue write is recorded under the C6-003
+  evidence root and advances the next task to `M16-GAP-00277`.
+
+nextTask: `M16-GAP-00277`

docs/status/M16-GAP-00277.md

@@ -0,0 +1,28 @@
+# M16-GAP-00277 Status
+
+status: done
+task: asset.library_refresh operator LOCAL_EXACT slice
+updated: 2026-08-23 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapAssetLibraryRefresh.blend`.
+  Blender desktop observes the missing Asset Browser context as `poll=false`,
+  records `CANCELLED` for `ASSET_OT_library_refresh`, and confirms no Main
+  mutation. Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task context checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library
+  state remains exact.
+- The focused reader path already exports Library state; no unrelated
+  data-block, editor, browser, or native-stub behavior was changed.
+
+nextTask: `M16-GAP-00278`

docs/status/M16-GAP-00278.md

@@ -0,0 +1,27 @@
+# M16-GAP-00278 Status
+
+status: done
+task: asset.library_reload_listing operator LOCAL_EXACT slice
+updated: 2026-08-24 America/New_York
+
+scope:
+
+- The fixture links one object from external `WebGapAssetLibraryReloadListing.blend`.
+  Blender desktop observes the non-remote-library boundary as `poll=false`, records
+  `CANCELLED` for `ASSET_OT_library_reload_listing`, and confirms no Main mutation.
+  Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm comparator, direct comparator, and
+  task-context handoff checks passed with exit code 0. Chromium-only policy was
+  preserved and no Firefox/WebKit run was made. Blender's expected missing
+  external-library warning is recorded by the comparator while the Library state
+  remains exact.
+- The focused reader path already exports Library state; no unrelated data-block,
+  editor, browser, or native-stub behavior was changed.
+
+nextTask: `M16-GAP-00279`

docs/status/M16-GAP-00279.md

@@ -0,0 +1,27 @@
+# M16-GAP-00279 Status
+
+status: done
+task: asset.mark operator LOCAL_EXACT slice
+updated: 2026-08-24 America/New_York
+
+scope:
+
+- The minimal fixture marks `WebGapAssetMarkObject` as an asset and persists the
+  author, description, and `operator-mark` tag. Blender desktop observes the
+  missing Asset Browser/editor context as `poll=false`, records `CANCELLED` for
+  `ASSET_OT_mark`, and confirms no Main mutation. Save/reopen preserves the
+  asset metadata exactly.
+- WASM/Main reads the same object asset metadata through Scene IR with
+  `marked=true`, matching author, description, and tags. The comparator confirms
+  save/reopen stability and malformed-input rejection without Main mutation.
+
+evidence:
+
+- Fixture generation, Blender desktop checker, WASM rebuild, npm comparator,
+  direct comparator, and task-context handoff checks passed with exit code 0.
+  Chromium-only policy was preserved and no Firefox/WebKit run was made.
+- The focused reader path exports asset metadata for object IDs and the Scene IR
+  protocol declares the corresponding optional `assetData` shape; no unrelated
+  data-block, editor, browser, or native-stub behavior was changed.
+
+nextTask: `M16-GAP-00280`

docs/status/M16-GAP-00280.md

@@ -0,0 +1,27 @@
+# M16-GAP-00280 Status
+
+status: done
+task: asset.mark_single operator LOCAL_EXACT slice
+updated: 2026-08-24 America/New_York
+
+scope:
+
+- The minimal fixture contains one marked object, `WebGapAssetMarkSingleObject`,
+  with stable author, description, and `operator-mark-single` tag metadata.
+  Blender desktop observes `asset.mark_single` as `poll=false`, records
+  `CANCELLED`, and confirms no Main mutation. Save/reopen preserves the
+  metadata exactly.
+- WASM/Main reads the same fixture through the existing Scene IR asset metadata
+  path. The comparator confirms the object metadata matches desktop, survives
+  save/reopen, and rejects malformed input without changing Main.
+
+evidence:
+
+- Fixture generation, desktop checker, npm generated-gap comparator, direct
+  comparator, and task-context handoff checks passed with exit code 0.
+  Chromium-only policy was preserved and no Firefox/WebKit run was made.
+- This task adds only the `mark_single` fixture/checker/comparator evidence;
+  the reader, Scene IR protocol, and WASM artifacts are the already verified
+  asset metadata path from M16-GAP-00279.
+
+nextTask: `M16-GAP-00281`

docs/status/M16-GAP-00281.md

@@ -0,0 +1,27 @@
+# M16-GAP-00281 Status
+
+status: done
+task: asset.open_containing_blend_file operator LOCAL_EXACT slice
+updated: 2026-08-24 America/New_York
+
+scope:
+
+- The minimal fixture links one object from external `WebGapOpenContaining.blend`.
+  Blender desktop observes the no-selected-asset boundary as `poll=false`, records
+  `CANCELLED` for `asset.open_containing_blend_file`, and confirms no Main mutation.
+  Save/reopen preserves the Library record exactly.
+- WASM/Main reads the same external Library with stable source path,
+  `EXTERNAL_REQUIRED` status, and an empty dependency closure. The comparator
+  confirms save/reopen stability and malformed-input rejection without Main
+  mutation.
+
+evidence:
+
+- Fixture generation, desktop checker, npm generated-gap comparator, direct
+  comparator, and task-context handoff checks passed with exit code 0.
+  Chromium-only policy was preserved and no Firefox/WebKit run was made.
+- This task adds only the `open_containing_blend_file` fixture/checker/comparator
+  evidence; the reader, Scene IR library path, and WASM artifacts are the already
+  verified external Library path from adjacent asset operator tasks.
+
+nextTask: `M16-GAP-00282`

docs/status/WBV2-BASELINE.md

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+# WBV2 baseline status
+
+status: done
+task: capability queue transition baseline
+updated: 2026-08-24 America/New_York
+
+The WBV2 production lane starts without rewriting the immutable M16 manifests. The
+legacy coverage checkpoint remains `M16-GAP-00282`, whose parent manifest is
+`tests/golden/M16-GAP-00281/manifest.json`. Corrective C0-C6 evidence remains historical.
+
+nextTask: `WBV2-P0-001`

docs/status/WBV2-P0-001.md

@@ -0,0 +1,22 @@
+# WBV2-P0-001 Status
+
+status: done
+task: reconcile_scope_and_checkpoints
+gate: G0
+updated: 2026-08-24 America/New_York
+
+The production queue is now capability-oriented. `WBV2-P0-001` is the only ready
+task and is parented by the new transition baseline. The legacy M16 list remains
+an immutable coverage lane with `M16-GAP-00282` as its checkpoint; its manifests,
+reports, and generated index are not rewritten as capability evidence.
+
+The control plane reports 6,900 legacy cases, 281 completed coverage records, and
+three capability clusters covering nine related legacy gaps. Corrective C0-C6
+pilots and their Chromium receipts are retained as historical reusable primitives.
+
+All focused plan, ancestry, control-plane, execution-health, task-context,
+context-governance, execution-control, and diff gates passed with exit code 0.
+No Blender/WASM startup was attempted for the legacy coverage task because it is
+not the production lane.
+
+nextTask: `WBV2-P0-002`