Rebuild local Blender WASM environment and recovery evidence

docs/tasks/WBV2-P8-001.md

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+# WBV2-P8-001: mutable inventory recovery baseline
+
+- task: WBV2-P8-001
+- parent: WBV2-P8-000
+- status: in_progress
+- gap: workflow:rebaseline_mutable_inventories
+- ownerFamily: PROGRAM
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Rebaseline the mutable WBV2 plan and npm dependency inventory without rewriting historical manifests.
+
+## 输入与范围
+
+- Checker: `tools/web/check-wbv2-recovery-baseline.mjs`
+- Historical WBV2 inventory: `tests/golden/WBV2-P0-002/`
+- Historical dependency inventory: `tests/golden/M13-05C/`
+
+## 验收
+
+node tools/web/check-wbv2-recovery-baseline.mjs --write
+node tools/web/check-execution-control-plane.mjs
+node tools/web/check-v2-task-index.mjs
+node tools/web/check-task-context.mjs --task WBV2-P8-001 --write
+
+Unexpected dependency closure drift, unsupported plan transitions, missing files, or hash failures must keep the task in_progress and must not advance nextTask.
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P8-001/`
+- Status: `docs/status/WBV2-P8-001.md`
+- Manifest: `tests/golden/WBV2-P8-001/manifest.json`
+- Rollback: restore the recovery root as the queue parent without changing P7 evidence.