{
  "baselineCommit": "0894dc2",
  "rollbackTag": "browser-owner-tested-pass04-20261016",
  "onlyAppChanges": [
    "version 04 -> 05",
    "acrylic cut-wall roughness 0.12 -> 0.18",
    "acrylic cut-wall specular intensity 0.4 -> 1.0; front remains 0.4"
  ],
  "appRestoresExactlyWithAllowlistedReplacements": true,
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  "motionCameraCalibrationUnchanged": true,
  "wallLightingExposureShadowsUnchanged": true,
  "frontFaceAndMirrorShadersUnchanged": true,
  "physicalRationale": "IOR 1.49 gives normal-incidence dielectric F0 approximately 3.87%; reduced face specular multiplier had also suppressed cut-wall Fresnel. Slightly broader cut-wall roughness avoids needle highlights. No bevel, silhouette, normals, position or topology edits.",
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