- Behebe Port-Konfiguration für interne RPC-Verbindungen (5173 -> 3000)
- Verbessere oRPC-Fehlerbehandlung: ursprüngliche Fehlermeldungen werden beibehalten
- Erweitere Frontend-Fehlerbehandlung für bessere oRPC-Integration
- Deaktiviere Duplikat-Prüfung in Development-Modus (NODE_ENV=development)
- Lokale Entwicklung ermöglicht mehrere Buchungen pro E-Mail-Adresse
- Produktion behält Duplikat-Schutz bei
- Add admin calendar component with booking overview and status management
- Implement treatment-specific availability slots with automatic duration
- Enhance availability management with better UI and error handling
- Move admin credentials to .env configuration
- Add .env.example with all required environment variables
- Update README.md with comprehensive setup guide including PowerShell password hash generation
- Improve slot deletion with proper error handling and user feedback
- Add toast notifications for better UX
- Replace emoji icons with Stargil Nails logo in header and loading spinner
- Add favicon.png to public directory
- Copy logo to public/assets for browser access
- Update vite.config.ts to serve public directory
- Add favicon link to HTML head section
