- Fix RRULE BYDAY filtering for daily frequency events (Tether sync weekdays only)
- Fix timezone transfer in recurring event expansion
- Add comprehensive timezone-aware iCal generation
- Add extensive test suite for recurrence and timezone functionality
- Update dependencies and configuration examples
- Implement cleanup logic for orphaned events
- Add detailed import plan documentation
This completes the core import functionality with proper timezone handling,
RRULE parsing, and duplicate prevention mechanisms.
