- Introduced optional timezone fields in User and Device entities to store user preferences and device timezones.
- Updated request DTOs for login and user updates to include timezone information.
- Enhanced AuthService to handle timezone during device registration and updates.
- Added migration to incorporate timezone fields in the database schema.
- Add FCM token registration during login/signup
- Implement transaction notification listeners
- Add notification data column to database
- Update Firebase service with data payload support
- Add transaction notification scopes
- Update card repository to load relations for notifications
