feat: Implement support chat functionality, add 2FA verification screen and routing, and update dependencies.

lib/features/faq/presentation/screens/faq_screen.dart

@@ -1,8 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_svg/flutter_svg.dart';
+import 'package:go_router/go_router.dart';
+import 'package:url_launcher/url_launcher.dart';
 import 'package:real_estate_mobile/core/constants/app_colors.dart';
 import 'package:real_estate_mobile/core/network/api_client.dart';
+import 'package:real_estate_mobile/features/auth/presentation/providers/auth_provider.dart';
 
 // ── Data models ──
 
@@ -329,11 +332,11 @@ class _FaqAccordion extends StatelessWidget {
 
 // ── Still Need Help section ──
 
-class _StillNeedHelpSection extends StatelessWidget {
+class _StillNeedHelpSection extends ConsumerWidget {
   const _StillNeedHelpSection();
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, WidgetRef ref) {
     return Container(
       margin: const EdgeInsets.symmetric(horizontal: 0),
       decoration: BoxDecoration(
@@ -383,14 +386,32 @@ class _StillNeedHelpSection extends StatelessWidget {
               _buildSupportButton(
                 icon: Icons.chat_bubble_outline,
                 label: 'Start Live Chat',
-                onTap: () {},
+                onTap: () {
+                  final authState = ref.read(authProvider);
+                  if (authState.status != AuthStatus.authenticated) {
+                    context.push('/login');
+                    return;
+                  }
+                  context.push('/support/chat');
+                },
               ),
               const SizedBox(height: 12),
               // Email Support
               _buildSupportButton(
                 icon: Icons.email_outlined,
                 label: 'Email Support',
-                onTap: () {},
+                onTap: () async {
+                  final uri = Uri(
+                    scheme: 'mailto',
+                    path: 'support@requesn.com',
+                    queryParameters: {
+                      'subject': 'Support Request',
+                    },
+                  );
+                  if (await canLaunchUrl(uri)) {
+                    await launchUrl(uri);
+                  }
+                },
               ),
             ],
           ),