# WBV2-P1131-001: verify Curve topology module

- task: WBV2-P1131-001
- parent: WBV2-P1131-000
- status: in_progress
- gap: workflow:curve_topology_editor
- ownerFamily: EDITOR
- targetImplementationClass: LOCAL_EXACT
- moduleId: CURVE_TOPOLOGY_EDITOR
- Implementation entrypoint: `node tools/web/run-wbv2-module-task.mjs --task WBV2-P1131-001 --write`

## 目标

Verify the source-backed Blender Curve TOGGLE_CYCLIC transaction through Main, protocol, Worker and frontend paths without duplicating the existing non-mesh geometry implementation.

## 输入与范围

- Source paths:
- `blender-5.2.0/source/blender/editors/curve/curve_ops.cc`
- `blender-5.2.0/source/blender/web_engine/web_engine_api.cpp`
- `blender-5.2.0/source/blender/web_engine/web_engine_main_state.cpp`
- `blender-5.2.0/source/blender/web_engine/web_engine_main_state.h`
- `web/protocol/curve-topology-editor.ts`
- `web/app/src/workers/curve-topology-contract-test.worker.ts`
- `web/app/src/app/App.tsx`
- `web/tests/e2e/curve-topology-contract.spec.ts`
- `web/tests/e2e/curve-topology-operator.spec.ts`
- Reused receipts:
- `tests/golden/WBV2-P1101-000/manifest.json` + `tests/golden/WBV2-P1101-000/module-receipt.json`
- Production tests: `web/tests/e2e/curve-topology-contract.spec.ts`, `web/tests/e2e/curve-topology-operator.spec.ts`

## 验收

- Positive: TOGGLE_CYCLIC Main mutation, operator gate exposes only verified capability, save/reopen preserves cyclic spline state
- Negative: unknown curve operator, stale revision claim, selection and payload budget overflow
- Recovery: undo, redo, save/reopen, worker termination and deterministic contract parse
- Commands:
- `npm --prefix web run typecheck`
- `npm --prefix web run build`
- `WEB_TEST_PORT=5347 npm --prefix web run test:e2e -- --workers=1 tests/e2e/curve-topology-contract.spec.ts tests/e2e/curve-topology-operator.spec.ts`
- malformed input, missing source, hash drift or Chromium failure remains in_progress and does not advance the queue.

## 交付与回滚

- Receipt: `tests/golden/WBV2-P1131-001/module-receipt.json`
- Manifest: `tests/golden/WBV2-P1131-001/manifest.json`
- Status: `docs/status/WBV2-P1131-001.md`
- Rollback: restore WBV2-P1131-000 as the queue parent and leave this module in_progress.