# WBV2-P20-003: close collection create gate

- task: WBV2-P20-003
- parent: WBV2-P20-002
- status: in_progress
- gap: workflow:close_collection_create_gate
- ownerFamily: RELEASE
- targetImplementationClass: LOCAL_BOUNDED

## 目标

Close the createCollection gate and graduate only the exact operator binding.

## 输入与范围

- Focused receipt: `tests/golden/WBV2-P20-002/collection-create-receipt-report.json`
- Previous overlay: `tests/golden/WBV2-P19-003/inventory-completion-overlay.json`
- Production entrypoint: `node tools/web/generate-wbv2-collection-gate.mjs --write`

## 验收

- only collection add is claimed
- effective inventory 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-P20-003 --write`

## 交付与回滚

- Reports: `tests/golden/WBV2-P20-003/`
- Status: `docs/status/WBV2-P20-003.md`
- Manifest: `tests/golden/WBV2-P20-003/manifest.json`
- Rollback: restore P20-002 as queue parent.