{
  "_help": "말 중간 잘리면: pause↑ peak_ratio↑ (0.9~0.95). 녹음 한도: phrase_limit/max_record. start_ratio↑=말 시작 느림.",
  "wake_threshold": 0.30,
  "wake_min_frames": 2,
  "wake_strong_score": 0.52,
  "min_wake_interval_sec": 5.0,
  "stt_pause_threshold": 1.0,
  "stt_min_pause_sec": 1.2,
  "stt_silence_peak_ratio": 0.92,
  "stt_speech_start_ratio": 1.35,
  "stt_non_speaking_sec": 0.7,
  "stt_mic_gain": 1.35,
  "stt_energy_threshold": 280,
  "stt_phrase_limit_sec": 15,
  "stt_max_record_sec": 18,
  "stt_phrase_threshold": 0.05,
  "stt_timeout_sec": 8,
  "chat_history_max": 6,
  "stt_backend": "web"
}