Add Chromium-only Blender WebEngine parity work

docs/status/W-000.md

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+# W-000 Status
+
+status: done
+task: 固定源码和版本
+
+## Evidence
+
+- Blender source: `blender-5.2.0/`
+- Native binary: `build_blender_5.2.0/bin/blender`
+- Blender report: `Blender 5.2.0 LTS`
+- Toolchain: CMake 3.31.6, Ninja 1.12.1, Emscripten 3.1.69, Node 20.19.2, npm 9.2.0
+- Reference Git commit: `fbe6228777e7d9afefcd61a413844e790ae75db7`
+
+## Risk
+
+The reference `blender/` checkout was dirty before this work. It is not modified
+by the Web implementation.