{
  "episodes": 24,
  "frames": 3360,
  "valid_pairs": 22,
  "recovery_success_rate": 0.9166666666666666,
  "failure_coverage": {
    "slip": 6,
    "drop": 6,
    "pose_offset": 6,
    "miss_grasp": 6
  },
  "scenario_coverage": {
    "machine_tending": 12,
    "conveyor_pick": 6,
    "pallet_cell_placement": 6
  },
  "object_shape_coverage": {
    "box": 18,
    "cylinder": 6
  },
  "rejected_pairs": 2,
  "structurally_valid": true,
  "structural_errors": [],
  "physics_validated": true,
  "sensor_model_calibrated": false,
  "real_robot_transfer_tested": false,
  "grasp_candidates": 0,
  "validated_successful_grasps": 0,
  "grasp_physics_validated": false,
  "label_semantics": "depth_gt is geometric camera-z in meters; not measured sensor depth",
  "acceptance": "valid pairs require observed failure, executed recovery, final-state success and physics validation"
}