Replace desktop-style back button with native Telegram BackButton API:
- Use useBackButton hook for Telegram Mini App
- Show UI back button only on web (when !capabilities.hasBackButton)
- Improves native feel in Telegram environment
Payment methods drag-and-drop fixes:
- Restore original working drag-and-drop from commit 84c6d26
- Use position: relative instead of opacity for dragged items
- Remove closestCenter collision detection
- Use PointerSensor with distance: 5 without TouchSensor
- Restore touch-none and responsive padding on drag handles
- Restore original shadow and background colors
Promo deactivation feature:
- Add deactivation button to active discount banner in PromoOffersSection
- Use Telegram native popup (showPopup) in Mini App environment
- Fallback to modal for web browsers
- Add confirmation modal with warning about permanent action
- Integrate with useTelegramSDK for proper platform detection
- Replace modal with dedicated AdminPaymentMethodEdit page
- Add route /admin/payment-methods/:methodId/edit
- Fix 401 error handling for auth endpoints to show error messages instead of reloading page
- Update client.ts to use window.Telegram.WebApp.initData directly
- Maintain useTelegramDnd for drag and drop functionality
- Add useTelegramDnd hook for @dnd-kit integration
- Update Sheet components to disable swipes when open
- Update AdminPaymentMethods to use the new hook
- Prevents conflict between app drag gestures and Telegram swipe-to-close
Major changes:
- Redesign cabinet with Linear-style components and top navigation
- Replace detail modals with dedicated pages (users, broadcasts, email templates)
- Add email channel support for broadcasts
- Remove pull-to-refresh, improve drag-and-drop on touch devices
- Fix Telegram Mini App: fullscreen, back button, scroll restoration
- Unify admin pages color scheme to design system
- Mobile-first improvements: horizontal tabs for settings, better touch targets
