Google Calendar integration for viewing, creating, and managing calendar events. Use when the user asks about their schedule, wants to add/edit/delete events, check availability, or needs a morning brief. Supports natural language like "What's on my calendar tomorrow?" or "Schedule lunch with Alex at noon Friday." Free tier provides read access; Pro tier ($12) adds create/edit/delete and morning briefs.

集成谷歌日历，用于查看、创建和管理日程事件。当用户询问日程、希望添加编辑或删除事件、检查可用时间或需要晨间简报时使用。支持自然语言，例如“我明天的日程有哪些？”或“在周五中午与亚历克斯安排午餐”。免费版提供只读权限；专业版（12美元）额外支持创建编辑删除事件及晨间简报功能。