✅ COMPLETED FEATURES:
1. WhatsApp Number Verification
- Verify phone number is registered on WhatsApp before saving
- Use OTP webhook with check_number mode
- Show error if number not registered
- Translated error messages
2. Responsive Dialog/Drawer System
- Created ResponsiveDialog component
- Desktop: Uses Dialog (modal)
- Mobile: Uses Drawer (bottom sheet)
- Applied to WalletDialog & TransactionDialog
- Better UX on mobile devices
3. Translation Fixes
- Fixed editProfile key placement
- All translation keys now consistent
- Build passing without errors
📱 MOBILE IMPROVEMENTS:
- Form dialogs now slide up from bottom on mobile
- Better touch interaction
- More native mobile feel
🔧 TECHNICAL:
- Added shadcn Drawer component
- Created useMediaQuery hook
- Responsive context wrapper
- Type-safe implementation
