Direct iCloud Calendar integration via CalDAV protocol. Create, read, update, and delete calendar events without third-party services. Use when the user wants to manage their iCloud Calendar, check schedule, create events, or find free time. Requires Apple ID and app-specific password.

通过 CalDAV 协议直接集成 iCloud 日历，无需第三方服务即可创建、读取、更新和删除日历事件。适用于用户需要管理 iCloud 日历、查看日程、创建事件或查找空闲时间的场景。需要 Apple ID 和应用专用密码。