fixes lol

chat-service/src/controllers/ChatWebSocketController.cpp

@@ -464,9 +464,24 @@ void ChatWebSocketController::handleChatMessage(const WebSocketConnectionPtr& ws
         selfDestructSeconds = 300;
     }
 
+    // Get connection info first to check if guest
+    ConnectionInfo currentInfo;
+    {
+        std::lock_guard<std::mutex> lock(connectionsMutex_);
+        auto it = connections_.find(wsConnPtr);
+        if (it == connections_.end()) {
+            return;
+        }
+        currentInfo = it->second;
+    }
+
+    // Guests cannot send self-destructing messages
+    if (currentInfo.isGuest && selfDestructSeconds > 0) {
+        selfDestructSeconds = 0;
+    }
+
     // Re-fetch current connection info to prevent TOCTOU race conditions
     // (user could have been banned/disconnected since the initial copy)
-    ConnectionInfo currentInfo;
     {
         std::lock_guard<std::mutex> lock(connectionsMutex_);
         auto it = connections_.find(wsConnPtr);