{
  "version": 1,
  "size": 7669988,
  "mtime_ns": 1789135572073174715,
  "duration": 5.72,
  "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": 142.71472222222224
    },
    {
      "t": 2.0,
      "file": "001_00200.jpg",
      "brightness": 141.26416666666665
    },
    {
      "t": 4.0,
      "file": "002_00400.jpg",
      "brightness": 140.42777777777778
    },
    {
      "t": 5.66,
      "file": "003_00566.jpg",
      "brightness": 140.42777777777778
    }
  ]
}