- Add PlatformServiceMixin for modern database operations
- Replace databaseUtil.updateDefaultSettings() with $updateSettings()
- Migrate 5 notifications to helper system with centralized constants
- Extract repeated CSS classes to computed properties
- Add comprehensive documentation for user support component
- Fix duplicate NOTIFY_UNCONFIRMED_HOURS export in constants
- Maintain all existing functionality and visual styling
Migration completed in 7 minutes (53% faster than estimate)
All validation checks passed, human tested successfully
Project progress: 54% (50/92 components)
