feat: Add an admin endpoint to retrieve the total count of unread support messages.

src/messages/messages.gateway.ts

@@ -82,7 +82,13 @@ export class MessagesGateway implements OnGatewayConnection, OnGatewayDisconnect
     }
     this.userSocketMap.get(userId)!.add(client.id);
 
-    this.logger.log(`Client connected successfully: ${client.id} (User: ${userId})`);
+    this.logger.log(`Client connected successfully: ${client.id} (User: ${userId}, Role: ${payload.role})`);
+
+    // Auto-join admin users to admin_room for support chat notifications
+    if (payload.role === 'ADMIN') {
+      client.join('admin_room');
+      this.logger.log(`Admin ${userId} joined admin_room`);
+    }
 
     // Update user online status in background (don't await)
     this.messagesService.updateOnlineStatus(userId, true)
@@ -337,6 +343,12 @@ export class MessagesGateway implements OnGatewayConnection, OnGatewayDisconnect
       // Broadcast to all clients in the support chat room
       this.server.to(`support:${data.chatId}`).emit('support_new_message', message);
 
+      // Notify admins about new unread count (for sidebar badge)
+      if (senderRole !== 'ADMIN') {
+        const unreadTotal = await this.supportChatService.getAdminUnreadTotal();
+        this.server.to('admin_room').emit('support_unread_update', { unreadTotal });
+      }
+
       return { success: true, message };
     } catch (error) {
       return { error: error.message };