{
  "session_name": "session_20260105_112000",
  "stage_1_start": "2026-01-05T11:20:00.265481",
  "stage_2_start": "2026-01-05T11:20:03.838781",
  "stage_3_start": "2026-01-05T11:20:18.956954",
  "stage_4_start": "2026-01-05T11:20:23.337611",
  "durations": {
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    "csi_only": 15.118173122406006,
    "contact_recording": 4.380656480789185,
    "total": 23.07213044166565
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  "files": {
    "csi_video": "data/session_20260105_112000/csi_camera/csi_camera.mp4",
    "vt_sensors": {
      "vt_1": {
        "static_video": "data/session_20260105_112000/vt_1/static/static.mp4",
        "contact_video": "data/session_20260105_112000/vt_1/contact/contact.mp4"
      },
      "vt_2": {
        "static_video": "data/session_20260105_112000/vt_2/static/static.mp4",
        "contact_video": "data/session_20260105_112000/vt_2/contact/contact.mp4"
      }
    }
  },
  "label": "6"
}