✓Sign up and login via Google or email
✓Admin panel: services, appointments, clients, settings
✓Public booking page with a unique link per business
✓Multi-service booking — book several services in one go
✓Two-way Google Calendar sync
✓Telegram bot: reminders, post-visit rating, manual send
✓Admin panel and booking page in 6 languages
✓Dark mode across all apps
✓Analytics and charts in the dashboard
✓Client profiles with full visit history and ratings
✓Notification centre with per-appointment event log
✓"Add to calendar" button after booking (Google + Apple)
✓CSV export for appointments and clients
✓Duplicate booking protection (idempotency keys)
✓Safe company deletion with name confirmation
✓Background job processing via Celery + Redis
✓Rate limiting on public booking endpoints
✓Cookie policy and GDPR consent banner
✓Full Liquid Glass redesign — admin panel, booking widget and website
✓Light and dark theme in the booking widget, with a toggle
✓Webhooks — instant notifications to external systems on events
✓Audit log — full history of all actions in the system
✓API keys for integrations with external services
✓Hardened login security: httpOnly-cookie sessions, CSP and security headers
