{
  "service": "jinying-wecom-callback",
  "purpose": "接收消息服务器 URL 校验（可信 IP 前置）",
  "endpoints": [
    "/wechat/callback (GET/POST, 尾斜杠可选)",
    "/jy-health"
  ],
  "config_ready": true,
  "missing": []
}