- Add 'enable wgpu_ray_query' to RT shadow shader - Fix RayDesc struct constructor syntax and rayQueryGetCommittedIntersection API - Enable ExperimentalFeatures in GpuContext for RT - Change RT shadow texture binding to non-filterable (R32Float) - Use textureLoad instead of textureSample for RT shadow in lighting pass Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>