[
  {
    "file": "mixflow-demo.mp4",
    "source": "outputs/ppt-video-20261023/第9页演示_前20秒.mp4",
    "kind": "silent excerpt from author archived recording; intro omitted",
    "duration_seconds": 15.0,
    "sha256": "77931d71950476a782eea529ce31a57a9134fa252640771b45c376470422aaed",
    "source_segments_seconds": [
      [
        5,
        20
      ]
    ]
  },
  {
    "file": "fusion-demo.mp4",
    "source": "UI-FUSION-demo_LJN_20260527.mov",
    "kind": "silent cuts from author recording; waiting omitted",
    "duration_seconds": 35.0,
    "sha256": "7e3af6b298a95fe626ae5150ae813e2f466181a165ad3d2cc53da1f031d147d2",
    "source_segments_seconds": [
      [
        4,
        12
      ],
      [
        65,
        74
      ],
      [
        175,
        184
      ],
      [
        275,
        284
      ]
    ]
  },
  {
    "file": "scope-demo.mp4",
    "source": "Browser captures of the four archived experiment replay states",
    "kind": "edited screen-state replay, not a live model generation or continuous recording",
    "duration_seconds": 20.0,
    "sha256": "285021d389d7f395678f52cca9e542b7093a291b82203fd29210ee0d797937e0",
    "notes": "Clarification from experiment script; initial output is counterfactual; bar-height drift unresolved."
  }
]