DayCommand: AI Calendar

DayCommand understands what you type or say — no forms, no menus, no tapping through a dozen fields. "standup every weekday 9am" creates a recurring event on every calendar you've connected. "move lunch to 3pm" finds it and moves it. "cancel gym tomorrow" removes it — with an undo. "am I free at 3?" and "find 30 min for a run" answer questions your calendar app has never been able to. WHAT MAKES IT DIFFERENT • On-device, not cloud. Parsing runs entirely on your phone — no message limits, no monthly quota, no round-trip to a server. It works on a plane. • One command, every calendar. Connect Apple, Google, and Outlook calendars at once, and a single command writes to all of them — moves, renames, and deletes fan out everywhere automatically, so your calendars never drift out of sync with each other. • Real mutations, not just creation. Most "smart" calendar apps can only parse new…