{
  "api": {
    "api_key": "替换为你的 DeepSeek API Key，或用环境变量 DEEPSEEK_API_KEY",
    "model": "deepseek-v4-flash",
    "base_url": "https://api.deepseek.com/chat/completions",
    "timeout": 120,
    "max_retries": 3,
    "max_tokens": 32768
  }
}