feat: update app icons and refactor home top professionals section to display dynamic agent profiles.

lib/features/messaging/presentation/providers/messaging_provider.dart

@@ -97,7 +97,7 @@ class MessagingNotifier extends StateNotifier<MessagingState> {
       final currentMessages =
           List<ChatMessage>.from(state.messages[convId] ?? []);
 
-      // Avoid duplicates
+      // Avoid duplicates (broadcast may arrive after ack for sender's own message)
       if (currentMessages.any((m) => m.id == message.id)) return;
 
       currentMessages.insert(0, message);
@@ -105,12 +105,22 @@ class MessagingNotifier extends StateNotifier<MessagingState> {
           Map<String, List<ChatMessage>>.from(state.messages)
             ..[convId] = currentMessages;
 
+      // Show friendly preview for non-text messages (matching web)
+      String previewText = message.content;
+      if (message.messageType == MessageType.image) {
+        previewText = 'Sent an image';
+      } else if (message.messageType == MessageType.file) {
+        previewText = 'Sent a file';
+      } else if (_isGifUrl(message.content)) {
+        previewText = 'GIF';
+      }
+
       // Update conversation's last message and unread count
       final updatedConversations = state.conversations.map((c) {
         if (c.id == convId) {
           final isActive = state.activeConversationId == convId;
           return c.copyWith(
-            lastMessageText: message.content,
+            lastMessageText: previewText,
             lastMessageAt: message.createdAt,
             unreadCount: isActive ? c.unreadCount : c.unreadCount + 1,
           );
@@ -155,6 +165,59 @@ class MessagingNotifier extends StateNotifier<MessagingState> {
       }).toList();
       state = state.copyWith(conversations: updatedConversations);
     }));
+
+    // Reconnection: re-join active conversation room and catch up missed messages
+    _subscriptions.add(_socket.onConnectionChange.listen((connected) {
+      if (!mounted || !connected) return;
+      final activeConvId = state.activeConversationId;
+      if (activeConvId != null) {
+        _rejoinAndCatchUp(activeConvId);
+      }
+      // Refresh conversation list to catch any missed updates
+      loadConversations();
+    }));
+  }
+
+  /// Re-join socket room and fetch missed messages after reconnection (matching web)
+  Future<void> _rejoinAndCatchUp(String conversationId, {int attempt = 1}) async {
+    try {
+      await _socket.joinConversation(conversationId);
+    } catch (_) {
+      if (attempt < 3 && mounted && state.activeConversationId == conversationId) {
+        await Future.delayed(Duration(seconds: attempt));
+        return _rejoinAndCatchUp(conversationId, attempt: attempt + 1);
+      }
+      return;
+    }
+
+    // Fetch recent messages to catch any missed during disconnect
+    if (!mounted || state.activeConversationId != conversationId) return;
+    try {
+      final result = await _repository.getMessages(conversationId, page: 1);
+      final recentMessages = result.messages.reversed.toList();
+      final currentMessages = List<ChatMessage>.from(state.messages[conversationId] ?? []);
+      final existingIds = currentMessages.map((m) => m.id).toSet();
+      final newMessages = recentMessages.where((m) => !existingIds.contains(m.id)).toList();
+
+      if (newMessages.isNotEmpty && mounted) {
+        currentMessages.insertAll(0, newMessages);
+        // Sort newest first
+        currentMessages.sort((a, b) => b.createdAt.compareTo(a.createdAt));
+        final updatedMessages = Map<String, List<ChatMessage>>.from(state.messages)
+          ..[conversationId] = currentMessages;
+        state = state.copyWith(messages: updatedMessages);
+      }
+    } catch (e) {
+      _log.e('Failed to catch up messages after reconnect', error: e);
+    }
+  }
+
+  static bool _isGifUrl(String text) {
+    final lower = text.trim().toLowerCase();
+    return lower.endsWith('.gif') ||
+        lower.contains('giphy.com/') ||
+        lower.contains('giphy.gif') ||
+        lower.contains('tenor.com/');
   }
 
   /// Update online status for a user across all conversations (matching web)
@@ -320,12 +383,22 @@ class MessagingNotifier extends StateNotifier<MessagingState> {
           Map<String, List<ChatMessage>>.from(state.messages)
             ..[conversationId] = messagesAfterSend;
 
-      // Update conversation's last message
+      // Update conversation's last message with friendly preview
+      final sent = realMessage;
+      String sentPreview = sent.content;
+      if (sent.messageType == MessageType.image) {
+        sentPreview = 'Sent an image';
+      } else if (sent.messageType == MessageType.file) {
+        sentPreview = 'Sent a file';
+      } else if (_isGifUrl(sent.content)) {
+        sentPreview = 'GIF';
+      }
+
       final updatedConversations = state.conversations.map((c) {
         if (c.id == conversationId) {
           return c.copyWith(
-            lastMessageText: realMessage!.content,
-            lastMessageAt: realMessage.createdAt,
+            lastMessageText: sentPreview,
+            lastMessageAt: sent.createdAt,
           );
         }
         return c;