- Replace custom JWT auth with Firebase Auth SDK
- Add Firebase web app configuration
- Implement user registration and login with Firebase
- Update backend to use Firebase Admin SDK for token verification
- Remove custom auth routes and controllers
- Add Firebase Cloud Functions deployment configuration
- Update frontend to use Firebase Auth state management
- Add registration mode toggle to login form
- Configure CORS and deployment for Firebase hosting
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Co-Authored-By: Claude <noreply@anthropic.com>