Brought in latest changes from main including:
- RSS feed implementation
- First letter edge case fixes
- Updated ranking formula
Resolved conflicts by:
- Combining .env.example variables from both branches
- Keeping auth version (3.0.0alpha)
- Preserving extended user schema from auth
- Keeping onMount umami approach and adding RSS feed link
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>