[
  {
    "id": "an-001",
    "title": "关于期末考试安排的通知",
    "content": "各位同学：本学期期末考试将于 7 月 20 日至 7 月 25 日进行，具体科目时间安排请查看考试日程表。请同学们提前做好复习准备，注意考场纪律，携带学生证入场。",
    "type": "school",
    "status": "published",
    "authorName": "教务处",
    "publishedAt": "2026-07-10T09:00:00.000Z",
    "isPinned": true,
    "isReadByCurrentUser": false,
    "createdAt": "2026-07-10T08:30:00.000Z",
    "updatedAt": "2026-07-10T09:00:00.000Z"
  },
  {
    "id": "an-002",
    "title": "高三年级暑期辅导报名通知",
    "content": "高三年级暑期辅导班即日起开始报名，涵盖数学、物理、化学等核心科目。有意参加的同学请在 7 月 18 日前到教务处登记。名额有限，先到先得。",
    "type": "grade",
    "status": "published",
    "authorName": "年级组",
    "publishedAt": "2026-07-09T14:00:00.000Z",
    "isPinned": false,
    "isReadByCurrentUser": true,
    "createdAt": "2026-07-09T13:00:00.000Z"
  },
  {
    "id": "an-003",
    "title": "班级卫生值日调整通知",
    "content": "因近期天气炎热，本周班级卫生值日表有所调整，请值日同学按时到岗。具体安排见班级公告栏。",
    "type": "class",
    "status": "published",
    "authorName": "王老师",
    "publishedAt": "2026-07-08T10:00:00.000Z",
    "isPinned": false,
    "isReadByCurrentUser": true,
    "createdAt": "2026-07-08T09:30:00.000Z"
  },
  {
    "id": "an-004",
    "title": "校园文化艺术节活动通知",
    "content": "一年一度的校园文化艺术节将于 7 月 15 日开幕，设有歌唱、舞蹈、书法、摄影等多项比赛。欢迎同学们踊跃报名参加，报名截止日期 7 月 13 日。",
    "type": "school",
    "status": "published",
    "authorName": "校团委",
    "publishedAt": "2026-07-05T15:00:00.000Z",
    "isPinned": false,
    "isReadByCurrentUser": false,
    "createdAt": "2026-07-05T14:00:00.000Z"
  }
]