{
  "total_recordings": 5,
  "total_clips": 17,
  "total_duration_sec": 358.85,
  "unique_contributors": 3,
  "split_distribution": {
    "test": {
      "clips": 1,
      "contributors": 1,
      "recordings": 1
    },
    "train": {
      "clips": 9,
      "contributors": 1,
      "recordings": 2
    },
    "val": {
      "clips": 7,
      "contributors": 1,
      "recordings": 2
    }
  },
  "annotation_coverage_by_sensor_tier": {
    "rgbd_full": {
      "total": 17,
      "coverage": {
        "actions": {
          "covered": 17,
          "total": 17,
          "percent": 100.0
        },
        "billing": {
          "covered": 17,
          "total": 17,
          "percent": 100.0
        },
        "body_pose": {
          "covered": 2,
          "total": 17,
          "percent": 11.8
        },
        "environment": {
          "covered": 17,
          "total": 17,
          "percent": 100.0
        },
        "hand_keypoints": {
          "covered": 17,
          "total": 17,
          "percent": 100.0
        },
        "hand_state": {
          "covered": 17,
          "total": 17,
          "percent": 100.0
        },
        "object_tracks": {
          "covered": 16,
          "total": 17,
          "percent": 94.1
        },
        "people": {
          "covered": 16,
          "total": 17,
          "percent": 94.1
        },
        "segmentation": {
          "covered": 16,
          "total": 17,
          "percent": 94.1
        },
        "sensors": {
          "covered": 17,
          "total": 17,
          "percent": 100.0
        },
        "trajectory": {
          "covered": 17,
          "total": 17,
          "percent": 100.0
        }
      }
    }
  },
  "annotation_coverage": {
    "hand_keypoints": {
      "covered": 17,
      "total": 17,
      "percent": 100.0
    },
    "hand_state": {
      "covered": 17,
      "total": 17,
      "percent": 100.0
    },
    "hand_landmarks_mediapipe": {
      "covered": 17,
      "total": 17,
      "percent": 100.0
    },
    "billing": {
      "covered": 17,
      "total": 17,
      "percent": 100.0
    },
    "trajectory": {
      "covered": 17,
      "total": 17,
      "percent": 100.0
    },
    "object_tracks": {
      "covered": 16,
      "total": 17,
      "percent": 94.1
    },
    "object_tracks_temporal": {
      "covered": 0,
      "total": 17,
      "percent": 0.0
    },
    "object_tracks_ai_fallback": {
      "covered": 16,
      "total": 17,
      "percent": 94.1
    },
    "sensors": {
      "covered": 17,
      "total": 17,
      "percent": 100.0
    },
    "actions": {
      "covered": 17,
      "total": 17,
      "percent": 100.0
    },
    "environment": {
      "covered": 17,
      "total": 17,
      "percent": 100.0
    },
    "people": {
      "covered": 16,
      "total": 17,
      "percent": 94.1
    },
    "body_pose": {
      "covered": 2,
      "total": 17,
      "percent": 11.8
    },
    "segmentation": {
      "covered": 16,
      "total": 17,
      "percent": 94.1
    }
  },
  "tier_distribution": {
    "counts": {
      "base": 0,
      "pro": 0,
      "premium": 17
    },
    "percent": {
      "base": 0.0,
      "pro": 0.0,
      "premium": 100.0
    },
    "total": 17
  },
  "supported_modalities": [
    "activity_recognition",
    "altimeter",
    "body_pose",
    "camera_intrinsics",
    "camera_pose",
    "depth",
    "environment_labels",
    "gps",
    "hand_keypoints_2d",
    "imu",
    "object_tracks_ai_fallback",
    "people_labels",
    "person_segmentation",
    "scene_geometry",
    "video"
  ],
  "validation_summary": {
    "error_count": 0,
    "warning_count": 15,
    "checked_recordings": 5,
    "checked_clips": 17,
    "clip_filtering": {
      "segments_considered": 17,
      "clips_retained": 17,
      "drops_by_reason": {
        "should_include": 0,
        "bimanual_only": 0,
        "profile_filter": 0
      },
      "total_drops": 0
    }
  }
}