{
  "session_name": "session_20260105_105821",
  "stage_1_start": "2026-01-05T10:58:21.231861",
  "stage_2_start": "2026-01-05T10:58:24.378345",
  "stage_3_start": "2026-01-05T10:58:58.467518",
  "stage_4_start": "2026-01-05T10:59:02.501135",
  "durations": {
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    "csi_only": 34.08917284011841,
    "contact_recording": 4.033617258071899,
    "total": 41.26927447319031
  },
  "files": {
    "csi_video": "data/session_20260105_105821/csi_camera/csi_camera.mp4",
    "vt_sensors": {
      "vt_1": {
        "static_video": "data/session_20260105_105821/vt_1/static/static.mp4",
        "contact_video": "data/session_20260105_105821/vt_1/contact/contact.mp4"
      },
      "vt_2": {
        "static_video": "data/session_20260105_105821/vt_2/static/static.mp4",
        "contact_video": "data/session_20260105_105821/vt_2/contact/contact.mp4"
      }
    }
  },
  "label": "4"
}