{
  "status": "passed",
  "cases": [
    {
      "id": "late-roll-start",
      "sourceFramesExact": true,
      "outputFrames": 97,
      "allPngDimensions": [
        1080,
        1920
      ],
      "sameTimingBothVersions": true,
      "unannotatedRegionPixelsIdentical": true,
      "sourceTailAfterFailureSeconds": 0.42
    },
    {
      "id": "early-roll-low-height",
      "sourceFramesExact": true,
      "outputFrames": 55,
      "allPngDimensions": [
        1080,
        1920
      ],
      "sameTimingBothVersions": true,
      "unannotatedRegionPixelsIdentical": true,
      "sourceTailAfterFailureSeconds": 0.4
    },
    {
      "id": "high-jump-hard-landing",
      "sourceFramesExact": true,
      "outputFrames": 152,
      "allPngDimensions": [
        1080,
        1920
      ],
      "sameTimingBothVersions": true,
      "unannotatedRegionPixelsIdentical": true,
      "sourceTailAfterFailureSeconds": 0.42
    }
  ],
  "limits": [
    "Visual checks cover contact sheets and full-resolution key frames; all-frame checks cover dimensions, mapping and unchanged pixels outside annotation bands.",
    "These are simulation failures, not documentary footage. Exterior and collision geometry differ."
  ]
}