{
  "status": 200,
  "message": "Walk Analyzer API Server",
  "version": "4.0 (refactored with core/)",
  "yolo_available": true,
  "redis_available": true,
  "queue": {
    "max_concurrent": 2,
    "active_tasks": 0,
    "queue_length": 0
  },
  "config": {
    "pose_backend": "smartzoom",
    "smoothing": "gaussian"
  }
}