{
  "subject_id": "PS",
  "session_id": "PS_20260812_163846",
  "session_tag": "desk_112cm_monitor3",
  "recorded_at": "2026-08-12T16:38:46",
  "monitor_id": 2,
  "screen_diagonal_in": 40.190275322725284,
  "viewing_distance_cm": 112.0,
  "confidence_threshold": 0.9,
  "rounds": 3,
  "animation_fps": 120,
  "screen_width_px": 1920,
  "screen_height_px": 1080,
  "result_csv": "gaze_exercises_20260812_163846.csv"
}