{
  "candidate":"FALL_DEPTH_R2",
  "revision":1,
  "person_score":0.25,
  "joint_score":0.10,
  "fusion":"R1_current OR D1_compact_extended OR D2_reversed_order, per person then ROI-any; duplicate observations counted once",
  "D1":{
    "box_aspect_min":1.10,
    "torso_angle_min":20.0,
    "torso_diagonal_ratio_max":0.25,
    "leg_diagonal_ratio_max":0.40,
    "ankle_drop_box_height_max":0.40,
    "knee_angle_min":140.0,
    "available_full_leg_min":1,
    "consensus":"Every currently available valid full leg must pass the knee/length/drop bounds"
  },
  "D2":{
    "box_aspect_min":1.10,
    "torso_diagonal_ratio_max":0.35,
    "shoulder_below_hip_box_height_min":0.05,
    "ankle_drop_box_height_max":-0.03,
    "knee_drop_box_height_max":0.03,
    "leg_diagonal_ratio_max":0.40,
    "same_chain_required":true
  },
  "notification":"Frozen R1 policy: rearm2s/current-only cooldown10s/display1s; mock only",
  "scope":"One common candidate frozen after descriptive feature inspection; no grid search, names, Frame or labels in rules",
  "limitations":"Image-plane rule hypotheses, not front/back action classification or gravity/floor inference; this dataset is not an independent holdout"
}