fix: NCWF-1 401 (#6)

Co-authored-by: shahdlala66 <shahd.lala66@gmail.com>
Co-authored-by: Lala, Shahd <Shahd.Lala@sybit.de>
Reviewed-on: #6

src/app/services/stream-handler.service.ts

@@ -84,8 +84,19 @@ export class StreamHandlerService {
         }
       };
 
+      // Set timeout to fallback if WebSocket doesn't connect quickly
+      const connectionTimeoutId = setTimeout(() => {
+        if (!connected && !fallbackActive) {
+          console.warn(`[StreamHandler] WebSocket timeout for ${gameId}, attempting NDJSON fallback`);
+          ws.close();
+          void startNdjsonFallback();
+        }
+      }, 3000);
+
       ws.onopen = () => {
         connected = true;
+        clearTimeout(connectionTimeoutId);
+        console.log(`[StreamHandler] WebSocket connected for ${gameId}`);
       };
 
       ws.onmessage = (message) => {
@@ -97,19 +108,23 @@ export class StreamHandlerService {
       };
 
       ws.onerror = (error) => {
-        console.warn(`[StreamHandler] WebSocket error for ${gameId}, attempting NDJSON fallback:`, error);
-        if (!connected) {
+        console.warn(`[StreamHandler] WebSocket error for ${gameId}:`, error);
+        clearTimeout(connectionTimeoutId);
+        if (!connected && !fallbackActive) {
           void startNdjsonFallback();
         }
       };
 
       ws.onclose = () => {
+        clearTimeout(connectionTimeoutId);
         console.warn(`[StreamHandler] WebSocket closed for ${gameId}, connected=${connected}`);
-        if (!connected) {
+        if (connected) {
+          // Connection was established but closed, stream is complete
+          observer.complete();
+        } else if (!fallbackActive) {
+          // Connection never established, try fallback
           console.log(`[StreamHandler] Starting NDJSON fallback for ${gameId}`);
           void startNdjsonFallback();
-        } else {
-          observer.complete();
         }
       };