Rebuild local Blender WASM environment and recovery evidence

docs/status/WBV2-P4-002.md

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+# WBV2-P4-002 status
+
+- task: `WBV2-P4-002`
+- parent: `WBV2-P4-001`
+- parity: `NODES.ALLOWLIST`
+- implementationClass: `LOCAL_BOUNDED`
+- status: `done`
+- fixture: `tests/files/web/generated/WBV2-P4-002-NODES.ALLOWLIST.blend`
+
+## Evidence
+
+- Blender desktop and WASM/Main expose the same two Geometry Node graphs. The supported graph contains the declared Transform slice with stable interface sockets, links, and defaults; the graph containing `GeometryNodeDistributePointsOnFaces` is retained and blocked by the Geometry Node allowlist.
+- The declared Shader graph compiles through the bounded `WEBGL2_THREE_PHYSICAL` compiler with a deterministic compile key. A valid `setShaderGraph` commit advances Main once and survives save/reopen with the same graph hash.
+- Unknown Geometry/Shader nodes and an over-budget Geometry graph are rejected before commit. A malformed native Shader graph and compile failure leave Main revision unchanged; malformed blend input leaves the opened snapshot unchanged.
+
+## Commands
+
+- `build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generated/WBV2-P4-002.py -- tests/files/web/generated/WBV2-P4-002-NODES.ALLOWLIST.blend`
+- `build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/check-wbv2-p4-002-desktop.py -- tests/files/web/generated/WBV2-P4-002-NODES.ALLOWLIST.blend tests/golden/WBV2-P4-002/nodes-desktop-report.json`
+- `node --check tools/web/check-generated-gap.mjs`
+- `npm --prefix web run test:generated-gap -- --task WBV2-P4-002`
+- `node tools/web/check-generated-gap.mjs --task WBV2-P4-002`
+- `node tools/web/check-task-context.mjs --task WBV2-P4-002 --write`
+
+## Handoff
+
+- nextTask: `WBV2-P4-003`
+- queue mutation: allowed after manifest and parent hash validation