Continue WBV2 module parity through P11

docs/tasks/WBV2-P11-003.md

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+# WBV2-P11-003: Asset link, override, and reload family
+
+- task: WBV2-P11-003
+- parent: WBV2-P11-002
+- status: in_progress
+- gap: workflow:asset_link_override_reload_family
+- ownerFamily: ASSET
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Extend the real Asset Main path from append to link, local override, reload, and missing-library boundaries.
+
+## 输入与范围
+
+- Asset fixture: `tests/files/web/generated/WBV2-P3-005-ASSET.LIBRARY_OPERATIONS.blend`
+- Source library: `tests/files/web/generated/WBV2P3005Library.blend`
+- Existing append receipt: `tests/golden/WBV2-P10-002/native-engine-receipt-report.json`
+
+## 验收
+
+- `npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-asset-link-override-production.spec.ts`
+- `node tools/web/generate-wbv2-asset-link-override-receipt.mjs --write`
+- `node tools/web/check-task-context.mjs --task WBV2-P11-003 --write`
+
+Malformed binding, stale source revision, ownership violation, missing resource, non-Chromium execution, or non-exact save/reopen must keep in_progress and must not advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P11-003/`
+- Status: `docs/status/WBV2-P11-003.md`
+- Manifest: `tests/golden/WBV2-P11-003/manifest.json`
+- Rollback: restore P11-002 as queue parent without modifying Mesh or Modifier evidence.