{
  "checkedAt": "2026-10-15",
  "version": "1.60.0",
  "scope": "Local in-app Chromium native acceptance and independent CPU decode of actual saved browser downloads. Production runtime acceptance is a separate release gate.",
  "source": {
    "path": "/examples/clip-show/sound.wav",
    "sha256": "146dd221d2085929bb68e1d24f0f5f3d16a05a8f6335d184875fea41a568af0e",
    "passageSeconds": [
      2,
      8
    ],
    "gain": 0.75
  },
  "show": {
    "acts": 4,
    "surfaces": 3,
    "transitions": [
      "cut",
      "dissolve",
      "wipe",
      "dip"
    ],
    "filmOnlyHoldsSeconds": [
      1.125,
      1.125,
      1.125,
      1.125
    ],
    "liveQueueAndMapUnchanged": true
  },
  "review": {
    "selectedFormatFirstFrames": 3,
    "storyboardSamples": 8,
    "storyboardTarget": [
      960,
      540
    ],
    "filmFramesReplayed": 180,
    "thumbnailLongEdge": 640,
    "comparison": [
      {
        "frame": 16,
        "caption": "Intro · film 0:00.53 · soundtrack 0:02.53 · frame 16. 16:9, 960 × 540; scaled still, not motion.",
        "meanAbsoluteRgbErrorOf255": 2.5771339699074076
      },
      {
        "frame": 41,
        "caption": "Into Build · dissolve · film 0:01.37 · soundtrack 0:03.37 · frame 41. 16:9, 960 × 540; scaled still, not motion.",
        "meanAbsoluteRgbErrorOf255": 3.3289265046296297
      },
      {
        "frame": 65,
        "caption": "Build · film 0:02.17 · soundtrack 0:04.17 · frame 65. 16:9, 960 × 540; scaled still, not motion.",
        "meanAbsoluteRgbErrorOf255": 4.2425347222222225
      },
      {
        "frame": 90,
        "caption": "Into Drop · wipe · film 0:03.00 · soundtrack 0:05.00 · frame 90. 16:9, 960 × 540; scaled still, not motion.",
        "meanAbsoluteRgbErrorOf255": 3.6095008680555556
      },
      {
        "frame": 114,
        "caption": "Drop · film 0:03.80 · soundtrack 0:05.80 · frame 114. 16:9, 960 × 540; scaled still, not motion.",
        "meanAbsoluteRgbErrorOf255": 1.6247714120370371
      },
      {
        "frame": 138,
        "caption": "Into Breakdown · dip · film 0:04.60 · soundtrack 0:06.60 · frame 138. 16:9, 960 × 540; scaled still, not motion.",
        "meanAbsoluteRgbErrorOf255": 0.5200665509259259
      },
      {
        "frame": 163,
        "caption": "Breakdown · film 0:05.43 · soundtrack 0:07.43 · frame 163. 16:9, 960 × 540; scaled still, not motion.",
        "meanAbsoluteRgbErrorOf255": 1.9754947916666667
      },
      {
        "frame": 179,
        "caption": "Final picture · film 0:05.97 · soundtrack 0:07.97 · frame 179. 16:9, 960 × 540; scaled still, not motion.",
        "meanAbsoluteRgbErrorOf255": 1.8695934606481481
      }
    ]
  },
  "savedOutputs": [
    {
      "target": "landscape",
      "sha256": "252af9e5bc7257e7e21edbdfd9a0e5b7544e4de62625e4edaa184a013d0d45da",
      "bytes": 3226468,
      "dimensions": [
        960,
        540
      ],
      "codec": "vp9",
      "audioCodec": "opus",
      "sampleRate": "48000",
      "channels": 2,
      "decodedFrames": 180,
      "distinctFrames": 180,
      "containerSeconds": 6.02,
      "largestPacketGapMs": 34.0,
      "audioSamples": 288648,
      "audioPeak": 0.6989986896514893,
      "alignmentWindows": [
        {
          "filmSeconds": 0.1,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9989547570828532,
          "referenceRms": 0.2513304054737091
        },
        {
          "filmSeconds": 1,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9985489801529124,
          "referenceRms": 0.282693475484848
        },
        {
          "filmSeconds": 3,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9962057699319675,
          "referenceRms": 0.10955389589071274
        },
        {
          "filmSeconds": 5,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9987469361085847,
          "referenceRms": 0.26313936710357666
        }
      ]
    },
    {
      "target": "portrait",
      "sha256": "175624656d9cf4f07ada9c8395a8a084983d3830d686d5cc2a762ca17e91e9e4",
      "bytes": 3292785,
      "dimensions": [
        540,
        960
      ],
      "codec": "vp9",
      "audioCodec": "opus",
      "sampleRate": "48000",
      "channels": 2,
      "decodedFrames": 180,
      "distinctFrames": 180,
      "containerSeconds": 6.02,
      "largestPacketGapMs": 34.0,
      "audioSamples": 288648,
      "audioPeak": 0.6989986896514893,
      "alignmentWindows": [
        {
          "filmSeconds": 0.1,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9989547570828532,
          "referenceRms": 0.2513304054737091
        },
        {
          "filmSeconds": 1,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9985489801529124,
          "referenceRms": 0.282693475484848
        },
        {
          "filmSeconds": 3,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9962057699319675,
          "referenceRms": 0.10955389589071274
        },
        {
          "filmSeconds": 5,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9987469361085847,
          "referenceRms": 0.26313936710357666
        }
      ]
    },
    {
      "target": "square",
      "sha256": "a9e816590b75a31b7b3f0f2311097837381a0c227db0204add8f70c23f9ad681",
      "bytes": 2931832,
      "dimensions": [
        540,
        540
      ],
      "codec": "vp9",
      "audioCodec": "opus",
      "sampleRate": "48000",
      "channels": 2,
      "decodedFrames": 180,
      "distinctFrames": 180,
      "containerSeconds": 6.02,
      "largestPacketGapMs": 34.0,
      "audioSamples": 288648,
      "audioPeak": 0.6989986896514893,
      "alignmentWindows": [
        {
          "filmSeconds": 0.1,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9989547570828532,
          "referenceRms": 0.2513304054737091
        },
        {
          "filmSeconds": 1,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9985489801529124,
          "referenceRms": 0.282693475484848
        },
        {
          "filmSeconds": 3,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9962057699319675,
          "referenceRms": 0.10955389589071274
        },
        {
          "filmSeconds": 5,
          "referenceMinusFilmSamples": 0,
          "normalizedCorrelation": 0.9987469361085847,
          "referenceRms": 0.26313936710357666
        }
      ]
    }
  ],
  "reopened": {
    "actualDownloads": true,
    "allFormats": true,
    "mutedStartMiddleEnd": true
  },
  "limits": [
    "PNG samples are not motion previews. The decoded VP9 comparison is lossy, not pixel identity.",
    "Normalized waveform correlation covers four quarter-second windows per saved output, not universal visual-reaction or physical synchronization.",
    "The measured source, six-second passage, output sizes, browser and device do not certify other tracks, codecs, resolutions, long renders or projectors.",
    "No new offline installation, private-file upload or MCP write capability."
  ],
  "evidenceImages": [
    {
      "path": "/examples/film-storyboard/intro.webp",
      "sha256": "51089627e0d7f4ca2c97fbc0bb2b144e150c8e3ca700f5c8e3996ff85c6b72ae"
    },
    {
      "path": "/examples/film-storyboard/transition.webp",
      "sha256": "e8688d4abf531a3b484e14a52df47a8b8fff9e98b02b5a2be670a358cbb11d02"
    },
    {
      "path": "/examples/film-storyboard/drop.webp",
      "sha256": "04c2cc7e49e16db88a40b9480f0ed92dd5fae53716c4e09a7277b0b8427b6fca"
    },
    {
      "path": "/examples/film-storyboard/formats.webp",
      "sha256": "122a61e878bb026a0ec0d7aca93981c68299762c34b8a28d62ae02a6da885d1e"
    }
  ]
}