feat: Add a mute indicator UI and make the star icon interactive on the chat screen.

lib/features/messaging/presentation/screens/chat_screen.dart

@@ -30,6 +30,7 @@ class _ChatScreenState extends ConsumerState<ChatScreen>
   final FocusNode _messageFocusNode = FocusNode();
   bool _isComposing = false;
   bool _isMuted = false;
+  bool _isStarred = false;
   int _previousMessageCount = 0;
 
   final SocketService _socket = SocketService();
@@ -520,13 +521,33 @@ class _ChatScreenState extends ConsumerState<ChatScreen>
               ),
             ],
           ),
+          // Mute indicator
+          if (_isMuted)
+            Container(
+              padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 3),
+              decoration: BoxDecoration(
+                color: AppColors.primaryDark.withValues(alpha: 0.1),
+                borderRadius: BorderRadius.circular(8),
+              ),
+              child: Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Icon(Icons.volume_off_rounded, size: 14, color: AppColors.primaryDark.withValues(alpha: 0.6)),
+                  const SizedBox(width: 2),
+                  Text('Muted', style: TextStyle(fontSize: 10, color: AppColors.primaryDark.withValues(alpha: 0.6), fontFamily: 'SourceSerif4')),
+                ],
+              ),
+            ),
           // Star icon
-          Padding(
+          GestureDetector(
-            padding: const EdgeInsets.only(right: 4),
+            onTap: () => setState(() => _isStarred = !_isStarred),
-            child: Icon(
+            child: Padding(
-              Icons.star_rounded,
+              padding: const EdgeInsets.only(right: 4),
-              size: 24,
+              child: Icon(
-              color: AppColors.accentOrange,
+                _isStarred ? Icons.star_rounded : Icons.star_outline_rounded,
+                size: 24,
+                color: _isStarred ? AppColors.accentOrange : AppColors.primaryDark.withValues(alpha: 0.4),
+              ),
             ),
           ),
         ],