- Remove all console.log debug statements from production code
- Fix useEffect dependency arrays (remove refs, fix dependency cycles)
- Add useMemo for sharedCalendars filtering in CalendarList
- Improve error handling in handleOpenSubscriptionModal
- Add proper cleanup pattern (isMounted) in CalendarContext
- Use i18n locale instead of hardcoded French in MiniCalendar
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>