- Remove all v2 API routes (/api/v2/calendar/events/*)
- Delete models_v2.rs file and associated types
- Remove create_event_v2, update_event_v2, delete_event_v2 handlers
- Remove unused occurrence_date and exception_dates from UpdateEventRequest
- Remove unused ConfigError variant from CalDAVError
- Simplify backend to single unified v1 API using VEvent structures
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>