{
  "id": "fileCity",
  "name": "FileCityAgent",
  "description": "读取指定文本文件，判断并抽出有效城市名。",
  "version": "1.0.0",
  "timeoutSeconds": 120,
  "launch": {
    "command": "dotnet",
    "args": ["FileCityPlugin.dll"]
  },
  "credentials": [
    {
      "name": "llm",
      "type": "openai-compatible",
      "required": true,
      "description": "由宿主注入 OpenAI 兼容的 endpoint / apiKey / model，不要写进本文件。"
    }
  ],
  "inputs": [
    {
      "name": "filePath",
      "type": "string",
      "required": true,
      "description": "本地文件路径，例如 Data/cities.txt"
    }
  ],
  "outputs": [
    { "name": "hasValidCities", "type": "bool", "description": "是否存在有效城市" },
    { "name": "cities", "type": "string[]", "description": "有效城市名列表" },
    { "name": "reason", "type": "string", "description": "判断说明" },
    { "name": "raw", "type": "string", "description": "Agent 原始文本" }
  ]
}