{
  "version": 1,
  "size": 3517974,
  "mtime_ns": 1788946954713963270,
  "duration": 7.0,
  "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": 154.815
    },
    {
      "t": 2.0,
      "file": "001_00200.jpg",
      "brightness": 159.43944444444443
    },
    {
      "t": 4.0,
      "file": "002_00400.jpg",
      "brightness": 160.53277777777777
    },
    {
      "t": 6.0,
      "file": "003_00600.jpg",
      "brightness": 159.02916666666667
    },
    {
      "t": 6.94,
      "file": "004_00694.jpg",
      "brightness": 159.02916666666667
    }
  ]
}