Advance deduplicated object operation coverage

docs/tasks/WBV2-P17-000.md

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+# WBV2-P17-000: object operations continuation root
+
+- task: WBV2-P17-000
+- parent: WBV2-P16-003
+- status: done
+- gap: workflow:authorize_object_operations_continuation
+- ownerFamily: PROGRAM
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Authorize one source-backed Object Operations behavior after the P16 paint overlay.
+
+## 验收
+
+- `node tools/web/generate-wbv2-object-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-P17-000/`
+- Manifest: `tests/golden/WBV2-P17-000/manifest.json`
+- Rollback: restore P16-003 as queue parent.

docs/tasks/WBV2-P17-001.md

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+# WBV2-P17-001: select_object_duplicate_batch
+
+- task: WBV2-P17-001
+- parent: WBV2-P17-000
+- status: in_progress
+- gap: capability:OBJECT_OPERATIONS.DUPLICATE
+- ownerFamily: PARITY
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Select the duplicateObject behavior and one exact legacy operator binding.
+
+## 输入与范围
+
+- Focused source: `blender-5.2.0/source/blender/web_engine/web_engine_api.cpp`
+- Existing client: `web/app/src/engine-client/WebEngineClient.ts`
+- Inventory: `tests/golden/WBV2-P0-002/parity-map.json`
+- Production entrypoint: `node tools/web/generate-wbv2-object-selection.mjs --write`
+
+## 验收
+
+- source command is hash-bound
+- existing Scene/Object visibility and transform evidence is not rerun
+- candidate remains one behavior
+- malformed, hash-drift, unsupported, or false-completion input keeps in_progress
+- `node tools/web/check-task-context.mjs --task WBV2-P17-001 --write`
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P17-001/`
+- Status: `docs/status/WBV2-P17-001.md`
+- Manifest: `tests/golden/WBV2-P17-001/manifest.json`
+- Rollback: restore P17-000 as queue parent.

docs/tasks/WBV2-P17-002.md

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+# WBV2-P17-002: object_duplicate_engine_receipt
+
+- task: WBV2-P17-002
+- parent: WBV2-P17-001
+- status: in_progress
+- gap: capability:OBJECT_OPERATIONS.DUPLICATE
+- ownerFamily: OBJECT
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Bind duplicateObject, undo/redo, malformed rejection, and exact save/reopen to compiled WASM Main in Chromium.
+
+## 输入与范围
+
+- Focused source: `tests/golden/WBV2-P17-001/object-selection-report.json`
+- Production test: `web/tests/e2e/wbv2-object-duplicate-production.spec.ts`
+- Production entrypoint: `npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-object-duplicate-production.spec.ts`
+
+## 验收
+
+- duplicate creates a distinct object
+- undo/redo revisions are sequential
+- malformed object ID fails closed without Main mutation
+- save/reopen is exact and deterministic
+- Chromium is the only browser
+- `node tools/web/check-task-context.mjs --task WBV2-P17-002 --write`
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P17-002/`
+- Status: `docs/status/WBV2-P17-002.md`
+- Manifest: `tests/golden/WBV2-P17-002/manifest.json`
+- Rollback: restore P17-001 as queue parent.

docs/tasks/WBV2-P17-003.md

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+# WBV2-P17-003: close_object_duplicate_gate
+
+- task: WBV2-P17-003
+- parent: WBV2-P17-002
+- status: in_progress
+- gap: workflow:close_object_duplicate_gate
+- ownerFamily: RELEASE
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Close the duplicateObject gate and graduate only the exact operator binding.
+
+## 输入与范围
+
+- Focused receipt: `tests/golden/WBV2-P17-002/object-duplicate-receipt-report.json`
+- Paint overlay: `tests/golden/WBV2-P16-003/inventory-completion-overlay.json`
+- Production entrypoint: `node tools/web/generate-wbv2-object-gate.mjs --write`
+
+## 验收
+
+- only duplicateObject is claimed
+- effective pending remains explicit
+- duplicate validation remains zero
+- malformed, hash-drift, unsupported, or false-completion input keeps in_progress
+- historical reproduction remains false
+- `node tools/web/check-task-context.mjs --task WBV2-P17-003 --write`
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P17-003/`
+- Status: `docs/status/WBV2-P17-003.md`
+- Manifest: `tests/golden/WBV2-P17-003/manifest.json`
+- Rollback: restore P17-002 as queue parent.