feat(01-07): update pages with password reset navigation and deep linking

- Updated login page to navigate to /reset-password instead of placeholder
- Added "Forgot Password?" link to signup page
- Enhanced reset password confirmation page to extract token/email from URL parameters
- Updated update password page to handle deep linking parameters
- Added deep linking support configuration in main.dart
- Improved router with URL parameter extraction helpers

lib/features/authentication/presentation/pages/update_password_page.dart

@@ -1,9 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
 import '../../widgets/auth_button.dart';
 import '../providers/auth_provider.dart';
 import '../../../../core/errors/auth_exceptions.dart';
 import '../../../../core/utils/password_validator.dart';
+import '../../../../core/router/app_router.dart';
 
 /// Password update page for handling password reset from email links
 /// 
@@ -28,6 +30,15 @@ class _UpdatePasswordPageState extends ConsumerState<UpdatePasswordPage> {
   String? _errorMessage;
   bool _passwordUpdated = false;
 
+  String? _resetToken;
+  String? _resetEmail;
+
+  @override
+  void initState() {
+    super.initState();
+    _extractResetParameters();
+  }
+
   @override
   void dispose() {
     _newPasswordController.dispose();
@@ -35,6 +46,17 @@ class _UpdatePasswordPageState extends ConsumerState<UpdatePasswordPage> {
     super.dispose();
   }
 
+  /// Extract reset token and email from URL parameters for deep linking
+  void _extractResetParameters() {
+    final resetData = AppRouter.handlePasswordResetDeepLink(context);
+    _resetToken = resetData['token'];
+    _resetEmail = resetData['email'];
+    
+    if (_resetToken != null && _resetEmail != null) {
+      print('Reset parameters extracted for email: $_resetEmail');
+    }
+  }
+
   Future<void> _handlePasswordUpdate() async {
     if (!_formKey.currentState!.validate()) return;
 
@@ -45,9 +67,20 @@ class _UpdatePasswordPageState extends ConsumerState<UpdatePasswordPage> {
 
     try {
       final authProvider = ref.read(authProvider.notifier);
-      await authProvider.updatePasswordFromReset(
-        _newPasswordController.text.trim(),
-      );
+      
+      // Use reset token and email if available (from deep linking)
+      if (_resetToken != null && _resetEmail != null) {
+        await authProvider.updatePasswordWithToken(
+          _resetToken!,
+          _resetEmail!,
+          _newPasswordController.text.trim(),
+        );
+      } else {
+        // Fallback to regular password update
+        await authProvider.updatePasswordFromReset(
+          _newPasswordController.text.trim(),
+        );
+      }
       
       if (mounted) {
         setState(() {