{
  "feature_dim": 225,
  "model_input_dim": 225,
  "mask_enabled": false,
  "sequence_length": 30,
  "seq_resample_method": "linear",
  "min_valid_frames": 5,
  "x_axis_scale": 3.1605,
  "axis_correction_applied": true,
  "normalisation": {
    "origin": "mid-shoulder (fallback: mid-hip, then landmark centroid)",
    "scale": "shoulder width (fallback: hip width, then 1.0)",
    "x_axis_scale": 3.1605,
    "axis_correction_applied": true
  },
  "augmentation": {
    "enabled": true,
    "jitter_sigma": 0.01,
    "frame_drop_prob": 0.1,
    "landmark_dropout_prob": 0.05,
    "temporal_crop_frac": 0.1,
    "mirror_prob": 0.0,
    "augment_copies": 1
  },
  "layout": {
    "pose": [
      0,
      33
    ],
    "left_hand": [
      33,
      54
    ],
    "right_hand": [
      54,
      75
    ]
  },
  "split_protocol": "session_disjoint"
}