{
  "acc_range": 8,
  "acc_sample_count": 3258,
  "accelerometer_file_size_bytes": 334893,
  "actual_acc_sample_rate": 53.804503182863996,
  "actual_gyro_sample_rate": 53.80451845749969,
  "app_version": "0.4",
  "build_number": "22",
  "device_model": "iPhone17,1",
  "disconnect_count": 0,
  "duration_seconds": 60.361997542,
  "events_file_size_bytes": 859,
  "free_storage_at_end_bytes": 28640903959,
  "free_storage_at_start_bytes": 28645049111,
  "gyro_range": 2000,
  "gyro_sample_count": 3255,
  "gyroscope_file_size_bytes": 348336,
  "heart_rate_file_size_bytes": 3756,
  "heart_rate_sample_count": 60,
  "integrity_status": "complete",
  "integrity_warnings": [],
  "ios_version": "26.6.2",
  "label_count": 0,
  "labels_file_size_bytes": 52,
  "polar_device_id": "1BA31C37",
  "polar_device_type": "Polar Sense 1BA31C37",
  "polar_sdk_version": "8.1.0",
  "prediction_confidence_threshold": 0.7,
  "prediction_feature_schema_version": "motion-window-v2-batch-backfill",
  "prediction_model_id": "motionpulse-personal-seated-standing-logistic",
  "prediction_model_version": "phase2-logistic-v1-window-v2-prototype",
  "prediction_sample_count": 29,
  "predictions_file_size_bytes": 6515,
  "reconnect_count": 0,
  "recording_status": "completed",
  "requested_acc_sample_rate": 52,
  "requested_gyro_sample_rate": 52,
  "schema_version": 1,
  "session_ended_at": "2026-09-21T06:24:39Z",
  "session_file_size_bytes": 696008,
  "session_id": "49823854-bb13-4248-8c18-f3a1bf22c3fb",
  "session_started_at": "2026-09-21T06:23:39Z",
  "upload_status": "uploaded",
  "workout_type": "TEST"
}
