feat: Add WhatsApp verification & responsive dialogs

✅ 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

apps/web/package.json

@@ -41,6 +41,7 @@
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.3.1",
     "tailwindcss-animate": "^1.0.7",
+    "vaul": "^1.1.2",
     "zod": "^4.1.12"
   },
   "devDependencies": {