- Add CardBase: reusable card with header, content, footer
- Configurable via props: padding, border, text size, background
- Add ModalBase: modal wrapper using CardBase internally
- Provides backdrop, click-outside-to-close, Android back button
- Refactor EventCardBase to use CardBase
- Refactor DeleteEventModal to use ModalBase
- Refactor EventOverlay (calendar.tsx) to use ModalBase
- Update CLAUDE.md with component documentation
Implement three deletion modes for recurring events:
- single: exclude specific occurrence via EXDATE mechanism
- future: set RRULE UNTIL to stop future occurrences
- all: delete entire event series
Changes include:
- Add exceptionDates field to CalendarEvent model
- Add RecurringDeleteMode type and DeleteRecurringEventDTO
- EventService.deleteRecurring() with mode-based logic using rrule library
- EventController DELETE endpoint accepts mode/occurrenceDate query params
- recurrenceExpander filters out exception dates during expansion
- AI tools support deleteMode and occurrenceDate for proposed deletions
- ChatService.confirmEvent() handles recurring delete modes
- New DeleteEventModal component for unified delete confirmation UI
- Calendar screen integrates modal for both recurring and non-recurring events
