* Add style prop to UserAvatar component for better customization
* Refactor UserAvatar to use getAvatarSeed utility for consistent avatar generation
* Fix React hook ordering issues in profile/overview.tsx to prevent crashes during auth state changes
* Add proper state initialization and cleanup during authentication transitions
* Ensure consistent fallback avatar display for unauthenticated users
These changes improve stability during login/logout operations and provide better visual continuity with Robohash avatars when profile images aren't available.
Implements database tables and services for workout and template storage:
- Updates schema to version 5 with new workout and template tables
- Adds WorkoutService for CRUD operations on workouts
- Enhances TemplateService for template management
- Creates NostrWorkoutService for bidirectional Nostr event handling
- Implements React hooks for database access
- Connects workout store to database layer for persistence
- Improves offline support with publication queue
This change ensures workouts and templates are properly saved to SQLite
and can be referenced across app sessions, while maintaining Nostr
integration for social sharing.
