{
  "cowearWatchExport": {
    "baseId": "0708/session_20260708_122609",
    "cropRule": "longest continuous intersection of watch truth, accelerometer, and gyroscope",
    "maxGapS": 0.2,
    "overlapDurationS": 51.5333330078125,
    "overlapEndMs": 1783484877341.5664,
    "overlapStartMs": 1783484825808.2334,
    "residualTruthShiftSApplied": 0.0,
    "residualWatchShiftSApplied": 0.0,
    "schemaVersion": 1,
    "sourceMaterializedWatchShiftS": 4.770143403922281,
    "sourceSession": "/home/zyshe/code/zyshe/insight/data/processed/0708/session_20260708_122609"
  },
  "dataset": "CoWear-watch",
  "deviceAvailability": {
    "appliedAt": "2026-07-28T16:57:20+00:00",
    "availabilityManifest": "exports/watch_direct_relay_offset_preview/device_availability.json",
    "availableRoles": [
      "mobile",
      "watch",
      "rokid"
    ],
    "missingRoles": [],
    "status": "materialized"
  },
  "manualAlignmentMaterialization": {
    "availabilityManifest": "exports/watch_direct_relay_offset_preview/device_availability.json",
    "coordinate": "page_equivalent_phone_anchor",
    "groundtruthShiftSeconds": -1.5427646395248638,
    "manualResultBaseId": "0708/session_20260708_122609",
    "manualResultId": "0708/session_20260708_122609/watch_direct",
    "manualResults": "exports/watch_direct_relay_offset_preview/manual_alignment_results.json",
    "materializedAt": "2026-07-28T16:57:17+00:00",
    "measureShiftSecondsByRole": {
      "mobile": 0.0,
      "rokid": 0.3456880082140449,
      "watch": 4.770143403922281
    },
    "mode": "shift_existing_align",
    "schemaVersion": 1
  },
  "manualAlignmentOriginal": {
    "capturedAt": "2026-07-28T16:19:16+00:00",
    "parameters": {
      "cropEndSecondsFromGroundtruthStart": 150.483336,
      "cropStartSecondsFromGroundtruthStart": 5.179296,
      "measureShiftSeconds": -19.429565,
      "roleShiftSeconds": {},
      "watchTimeSource": "",
      "windowEndMs": 1783484898867.669,
      "windowStartMs": 1783484753563.629
    }
  },
  "manualReview": {
    "sameHand": true,
    "sampleQuality": "complete",
    "watchSource": "direct",
    "watchSourceLabel": "watch direct"
  },
  "outputs": {
    "groundtruthAlign": "groundtruth/align.csv",
    "groundtruthAlignRows": 6185,
    "measureAlign": "measure/align/watch",
    "measureAlignRowsByRole": {
      "watch": {
        "imu.jsonl": 10376
      }
    },
    "watchFile": "imu.jsonl"
  },
  "parameters": {
    "cropEndSecondsFromGroundtruthStart": 150.483336,
    "cropStartSecondsFromGroundtruthStart": 5.179296,
    "groundtruthShiftSeconds": 0.0,
    "manualAlignmentCoordinate": "page_equivalent_phone_anchor",
    "measureShiftSeconds": 0.0,
    "roleShiftSeconds": {
      "watch": 0.0
    },
    "watchTimeSource": "exported aligned watch stream",
    "windowEndMs": 1783484877341.5664,
    "windowStartMs": 1783484825808.2334
  },
  "processedAt": "2026-07-29T00:57:20.506011+08:00",
  "sessionId": "session_20260708_122609",
  "source": {
    "alignmentPlan": "data/alignment_plan.csv",
    "groundtruth": "data/groundtruth_all/0708/Data 2026-07-08 12-25-47.csv",
    "measure": {
      "left": "data/processed/0708/session_20260708_122609/measure/raw/left",
      "mobile": "data/processed/0708/session_20260708_122609/measure/raw/mobile",
      "rokid": "data/processed/0708/session_20260708_122609/measure/raw/rokid",
      "watch": "data/processed/0708/session_20260708_122609/measure/raw/watch"
    }
  },
  "sourceSession": "/home/zyshe/code/zyshe/insight/data/processed/0708/session_20260708_122609",
  "timeReference": "watch_overlap_absolute_aligned_timestamp"
}