{
  "generated_on": "2026-10-11",
  "source_clip": "ac9bd5e4_007091_b493e09632469668.mp4",
  "pose_model": "heavy",
  "score": 70.68303038661958,
  "score_status": "available",
  "score_confidence": "low",
  "score_unavailable_reasons": [],
  "contact_verified": false,
  "measurement_space": "camera_plane_2d",
  "coaching_status": "swing_specific_review",
  "ball_tracking": false,
  "observations": [
    {
      "topic": "Arm extension",
      "observation": "Your hitting arm gets straighter as you hit the ball.",
      "practice": "Let your arm straighten naturally. Keep your grip loose and don't lock your elbow straight.",
      "replay_time_seconds": 1.0844166666666666
    },
    {
      "topic": "Knee movement",
      "observation": "Your legs get straighter as you hit the ball.",
      "practice": "Let your legs rise with the swing, but don't lock your knees straight. Take a quick recovery step after the shot.",
      "replay_time_seconds": 9.092416666666667
    },
    {
      "topic": "Hand path",
      "observation": "Your hitting hand moves higher as you finish the shot.",
      "practice": "Let your arm finish the swing smoothly. Don't force your hand higher just to match a pose.",
      "replay_time_seconds": 17.384033333333335
    }
  ]
}