# WBV2-P1107-000: modifier system module

- task: `WBV2-P1107-000`
- parent: `WBV2-P1106-000`
- status: `in_progress`
- gap: `workflow:module_modifier_system`
- ownerFamily: `MODIFIER`
- targetImplementationClass: `LOCAL_EXACT`

## 目标

按功能模块验证 Modifier stack reader、可见性切换和受限参数变更，复用已有 P9/P11 的真实 Blender Main 与 Chromium 证据，不重复执行 generic continuation。

## 输入与范围

- Blender Main/API/reader: `blender-5.2.0/source/blender/web_engine/web_engine_main_state.cpp`
- Main header: `blender-5.2.0/source/blender/web_engine/web_engine_main_state.h`
- Command entry: `blender-5.2.0/source/blender/web_engine/web_engine_api.cpp`
- Modifier reader: `blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp`
- Protocol/graph: `web/protocol/web-engine.ts`, `web/protocol/modifier-graph.ts`, `web/protocol/depsgraph.ts`
- Production client/UI: `web/app/src/engine-client/WebEngineClient.ts`, `web/app/src/workers/web-engine.worker.ts`, `web/app/src/app/App.tsx`
- Existing receipts: `tests/golden/WBV2-P9-002/manifest.json`, `tests/golden/WBV2-P11-002/manifest.json`

## 验收

```bash
npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-modifier-production.spec.ts tests/e2e/wbv2-modifier-parameter-production.spec.ts
npm --prefix web run test:modifier-goldens
npm --prefix web run typecheck
```

必须保留正例 Main mutation、未知 UUID/过期 revision/越界参数负例、undo/redo、save/reopen、Chromium 和确定性第二次运行证据。任一命令失败或 source hash 漂移时保持 `in_progress`，不得推进 parent manifest 的 `nextTask`。

## 交付与回滚

- Receipt: `tests/golden/WBV2-P1107-000/module-receipt.json`
- Manifest: `tests/golden/WBV2-P1107-000/manifest.json`
- Status: `docs/status/WBV2-P1107-000.md`