获取操作日志

{
  "data": [
    {
        "id": 2,
        "time": "2026-01-01 00:00:00",
        "content": "用户已建立 WebSocket 连接",
        "type": "info"
    },
    {
        "id": 1,
        "time": "2026-01-01 00:00:00",
        "content": "用户 admin 已登录，登录地址：192.168.1.1 局域网",
        "type": "info"
    }
    ...
],
  "total": 5,
  "page": 1,
  "size": 20
}