{
  "version": 1,
  "size": 10013400,
  "mtime_ns": 1788693505911683082,
  "duration": 3.32,
  "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": 123.40444444444445
    },
    {
      "t": 2.0,
      "file": "001_00200.jpg",
      "brightness": 119.77361111111111
    },
    {
      "t": 3.26,
      "file": "002_00326.jpg",
      "brightness": 119.77361111111111
    }
  ]
}