{
  "name": "wechat-auto-reply",
  "displayName": "微信自动应答",
  "description": "定时轮询新消息，根据来源（个人/群聊）分类处理，生成智能回复并发送。",
  "version": "1.0.0",

  "trigger": {
    "type": "polling",
    "intervalSeconds": 10,
    "description": "每10秒轮询一次新消息"
  },

  "state": {
    "lastCheckTime": {
      "type": "string",
      "description": "上次检查的时间戳(ISO)，用于增量拉取",
      "default": ""
    }
  },

  "stages": [
    {
      "id": "check-online",
      "name": "检查在线状态",
      "skill": "wechat-check-online",
      "input": {},
      "onFailure": "stop",
      "condition": "每次轮询的第一步",
      "expect": { "data": true }
    },
    {
      "id": "fetch-new-messages",
      "name": "增量拉取新消息",
      "skill": "wechat-get-messages",
      "input": {
        "since": "{{state.lastCheckTime}}",
        "direction": "received",
        "limit": 50
      },
      "output": {
        "messages": "data",
        "description": "收到的新消息数组"
      },
      "postAction": "更新 state.lastCheckTime 为当前时间"
    },
    {
      "id": "classify-and-reply",
      "name": "分类处理并回复",
      "type": "forEach",
      "items": "{{stages.fetch-new-messages.output.messages}}",
      "filter": {
        "description": "过滤掉系统消息和自己发的消息",
        "conditions": [
          "item.type != 'system'",
          "item.direction == 'received'"
        ]
      },
      "steps": [
        {
          "id": "classify-source",
          "name": "判断消息来源",
          "type": "condition",
          "rules": [
            {
              "if": "item.fromWxid ends with '@chatroom'",
              "then": { "sourceType": "group", "replyTo": "item.fromWxid" }
            },
            {
              "else": true,
              "then": { "sourceType": "personal", "replyTo": "item.fromWxid" }
            }
          ]
        },
        {
          "id": "generate-reply",
          "name": "AI生成回复内容",
          "type": "llm",
          "systemPrompt": "你是一个微信智能助手。请根据用户发来的消息生成简短、友好的回复。如果是群聊消息，回复要简洁。如果无法理解内容，回复"收到，稍后回复您"。不要回复系统消息、表情、图片等非文字内容。",
          "userPrompt": "来源类型: {{classify-source.sourceType}}\n发送者: {{item.nickName}} ({{item.fromWxid}})\n消息类型: {{item.type}}\n消息内容: {{item.content}}\n\n请生成回复：",
          "output": { "replyContent": "llm_response" }
        },
        {
          "id": "send-reply",
          "name": "发送回复",
          "skill": "wechat-send-text",
          "input": {
            "toWxid": "{{classify-source.replyTo}}",
            "content": "{{generate-reply.replyContent}}"
          }
        }
      ]
    }
  ],

  "replyRules": {
    "description": "回复策略规则（龙虾参考）",
    "personalChat": {
      "description": "个人私聊",
      "behavior": "收到文字消息后，用AI生成个性化回复；收到图片/语音/视频等仅回复确认。",
      "examples": [
        { "received": "你好", "reply": "你好！有什么可以帮你的吗？" },
        { "received": "[图片]", "reply": "收到图片，我看看~" },
        { "received": "明天几点开会", "reply": "让我帮你查一下，稍等。" }
      ]
    },
    "groupChat": {
      "description": "群聊",
      "behavior": "仅在被@或关键词触发时回复，避免刷屏。回复简洁。",
      "triggerKeywords": ["@助手", "@bot", "帮我", "请问"],
      "examples": [
        { "received": "@助手 明天天气怎么样", "reply": "明天多云转晴，适合出行！" },
        { "received": "随便聊天", "reply": null, "note": "不回复，不相关" }
      ]
    },
    "ignoreTypes": ["system", "emoji", "location", "video", "voice"],
    "ignoreWxids": ["weixin", "fmessage", "medianote", "gh_"]
  }
}