{
  "ok": true,
  "items": [
    {
      "id": "welcome-001",
      "title": "智影AI服务站已启用",
      "content": "远程配置、公告和更新入口已准备好。模型 API 继续使用软件内配置的第三方中转站。",
      "level": "normal",
      "publishedAt": "2026-06-25T14:00:00+08:00"
    }
  ]
}