Alpha Latest (filter row with actual counts + vacation countdown)

Filter row now shows actual task/chore counts + vacation countdown:

Filter Row Updates:

• Actual active task/chore counts per person (from database)
• Format: 'Name N' where N = active tasks + chores assigned
• Vacation countdown chip: 'Vacation: X days' (from countdown events with 'vacation', 'holiday', 'break' in title)
• Colored dots per person, 'All' chip, vacation chip

New Database Queries:

• TaskDao: active task/chore/total count per person
• TaskRepository: exposes count methods
• CalendarViewModel: taskChoreCounts flow (Map<personId, activeCount>), nextVacationCountdown flow

Previous Features Preserved:

• Navigation rail with old English initial, white pill active state
• Header with 'The [LastName] Family', live clock, weather icons, temp C/F
• Schedule + Filter buttons (view mode in filter sheet)
• Week view: 5 days, current day first, bold headers
• Bottom nav: grayish bg, white squared pill, People→Settings, Sleep in More
• Dark mode via MaterialTheme.colorScheme

APK: app/build/outputs/apk/debug/app-debug.apk (~64MB)