{
  "version": 1,
  "size": 1632866,
  "mtime_ns": 1789096840590038299,
  "duration": 4.7,
  "note": "No clear motion in 2.0s probes — stills every 2.0s. A short train can sit between them; watch the clip if it looks empty.",
  "suggest": null,
  "frames": [
    {
      "t": 0.0,
      "file": "000_00000.jpg",
      "brightness": 87.62027777777777
    },
    {
      "t": 2.0,
      "file": "001_00200.jpg",
      "brightness": 25.379166666666666
    },
    {
      "t": 4.0,
      "file": "002_00400.jpg",
      "brightness": 25.379166666666666
    },
    {
      "t": 4.640000000000001,
      "file": "003_00464.jpg",
      "brightness": 25.379166666666666
    }
  ]
}