{
  "version": 1,
  "size": 5059836,
  "mtime_ns": 1788636815837062597,
  "duration": 3.0,
  "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": 86.64722222222223
    },
    {
      "t": 2.0,
      "file": "001_00200.jpg",
      "brightness": 44.13805555555555
    },
    {
      "t": 2.94,
      "file": "002_00294.jpg",
      "brightness": 44.13805555555555
    }
  ]
}