{
  "search_mode": "purple_frame",
  "confidence": 0.72,
  "scan_interval_ms": 300,
  "template_path": "target.png",
  "frame_hsv_lower": [125, 60, 120],
  "frame_hsv_upper": [150, 255, 255],
  "frame_min_size": 40,
  "frame_min_rectangularity": 0.8
}