chat: reset messages when establishing a new server connection

Author: hugodutka

chat/src/components/ChatInterface.tsx

@@ -50,7 +50,10 @@ export default function ChatInterface() {
       if (eventSourceRef.current) {
         eventSourceRef.current.close();
       }
-
+      
+      // Reset messages when establishing a new connection
+      setMessages([]);
+      
       const eventSource = new EventSource(`${AgentAPIUrl}/events`);
       eventSourceRef.current = eventSource;
 
@@ -95,6 +98,7 @@ export default function ChatInterface() {
       eventSource.onopen = () => {
         // Connection is established, but we'll wait for status_change event
         // for the actual server status
+        console.log("EventSource connection established - messages reset");
       };
 
       // Handle connection errors