Complete WBV2 feature parity evidence epoch

docs/tasks/WBV2-P9-000.md

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+# WBV2-P9-000: feature parity continuation root
+
+- task: WBV2-P9-000
+- parent: WBV2-P8-004
+- status: done
+- gap: workflow:authorize_feature_parity_continuation
+- ownerFamily: PROGRAM
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Authorize the next feature-parity evidence epoch after provenance epoch 2. The release scope remains authorized rebaseline only.
+
+## 验收
+
+node tools/web/generate-wbv2-feature-parity-root.mjs
+node tools/web/check-execution-control-plane.mjs
+node tools/web/check-v2-task-index.mjs
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P9-000/`
+- Manifest: `tests/golden/WBV2-P9-000/manifest.json`
+- Rollback: restore P8-004 as queue parent without changing provenance evidence.

docs/tasks/WBV2-P9-001.md

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+# WBV2-P9-001: Mesh production Chromium receipt
+
+- task: WBV2-P9-001
+- parent: WBV2-P9-000
+- status: in_progress
+- gap: workflow:mesh_production_chromium_receipt
+- ownerFamily: MESH
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Bind the real Mesh Main transaction to a production Chromium desktop/WASM/save-reopen receipt using the existing source implementation.
+
+## 输入与范围
+
+- Existing Mesh protocol: `web/protocol/corrective-mesh-command.ts`
+- Existing exact pilot: `tests/golden/corrective/C4-002/receipt-report.json`
+- Chromium test: `web/tests/e2e/wbv2-mesh-production.spec.ts`
+
+## 验收
+
+- `npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-mesh-production.spec.ts`
+- `node tools/web/generate-wbv2-mesh-receipt.mjs --write`
+- `node tools/web/check-task-context.mjs --task WBV2-P9-001 --write`
+
+Malformed, stale-revision, unknown-vertex, non-Chromium, or non-exact save/reopen cases must keep in_progress and must not advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P9-001/`
+- Status: `docs/status/WBV2-P9-001.md`
+- Manifest: `tests/golden/WBV2-P9-001/manifest.json`
+- Rollback: restore P9-000 as queue parent without modifying P8 evidence.

docs/tasks/WBV2-P9-002.md

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+# WBV2-P9-002: Modifier production Chromium receipt
+
+- task: WBV2-P9-002
+- parent: WBV2-P9-001
+- status: in_progress
+- gap: workflow:modifier_production_chromium_receipt
+- ownerFamily: MODIFIER
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Bind the real Modifier Main transaction to a production Chromium desktop/WASM/save-reopen receipt using the existing source implementation.
+
+## 输入与范围
+
+- Existing Modifier protocol: `web/protocol/corrective-modifier-command.ts`
+- Existing exact pilot: `tests/golden/corrective/C4-001/receipt-report.json`
+- Chromium test: `web/tests/e2e/wbv2-modifier-production.spec.ts`
+
+## 验收
+
+- `npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-modifier-production.spec.ts`
+- `node tools/web/generate-wbv2-modifier-receipt.mjs --write`
+- `node tools/web/check-task-context.mjs --task WBV2-P9-002 --write`
+
+Malformed, stale-revision, unknown-modifier, non-Chromium, or non-exact save/reopen cases must keep in_progress and must not advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P9-002/`
+- Status: `docs/status/WBV2-P9-002.md`
+- Manifest: `tests/golden/WBV2-P9-002/manifest.json`
+- Rollback: restore P9-001 as queue parent without modifying Mesh or P8 evidence.

docs/tasks/WBV2-P9-003.md

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+# WBV2-P9-003: Asset Catalog production Chromium receipt
+
+- task: WBV2-P9-003
+- parent: WBV2-P9-002
+- status: in_progress
+- gap: workflow:asset_catalog_production_chromium_receipt
+- ownerFamily: ASSET
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Bind the real Asset Catalog Main transaction and resource resolver to a production Chromium desktop/WASM/save-reopen receipt using the existing source implementation.
+
+## 输入与范围
+
+- Existing Asset Catalog protocol: `web/protocol/corrective-asset-catalog-command.ts`
+- Existing resource resolver: `web/protocol/corrective-resource-provider.ts`
+- Existing exact pilot: `tests/golden/corrective/C3-003/receipt-report.json`
+- Chromium test: `web/tests/e2e/wbv2-asset-catalog-production.spec.ts`
+
+## 验收
+
+- `npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-asset-catalog-production.spec.ts`
+- `node tools/web/generate-wbv2-asset-catalog-receipt.mjs --write`
+- `node tools/web/check-task-context.mjs --task WBV2-P9-003 --write`
+
+Malformed, stale-revision, unknown-asset, missing-resource, non-Chromium, or non-exact save/reopen cases must keep in_progress and must not advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P9-003/`
+- Status: `docs/status/WBV2-P9-003.md`
+- Manifest: `tests/golden/WBV2-P9-003/manifest.json`
+- Rollback: restore P9-002 as queue parent without modifying Modifier, Mesh, or P8 evidence.

docs/tasks/WBV2-P9-004.md

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+# WBV2-P9-004: feature parity gate
+
+- task: WBV2-P9-004
+- parent: WBV2-P9-003
+- status: in_progress
+- gap: workflow:recompute_feature_parity_gate
+- ownerFamily: RELEASE
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Recompute declared feature parity claims only from the three production Chromium receipts and preserve the authorized-rebaseline-only release boundary.
+
+## 输入与范围
+
+- Mesh receipt: `tests/golden/WBV2-P9-001/mesh-receipt-report.json`
+- Modifier receipt: `tests/golden/WBV2-P9-002/modifier-receipt-report.json`
+- Asset receipt: `tests/golden/WBV2-P9-003/asset-catalog-receipt-report.json`
+- M12 approval: `docs/status/M12-PROVENANCE-EPOCH-2-APPROVAL.json`
+
+## 验收
+
+- `node tools/web/generate-wbv2-feature-parity-gate.mjs --write`
+- `node tools/web/check-task-context.mjs --task WBV2-P9-004 --write`
+
+Missing receipt, hash drift, unsupported browser, non-exact save/reopen, false historical reproduction, or undeclared feature claim must keep in_progress and must not advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P9-004/`
+- Status: `docs/status/WBV2-P9-004.md`
+- Manifest: `tests/golden/WBV2-P9-004/manifest.json`
+- Rollback: restore P9-003 as queue parent without modifying any production receipt or provenance evidence.