Do health check on page initial load

lightrag_webui/src/App.tsx

@@ -25,6 +25,7 @@ function App() {
   const [apiKeyAlertOpen, setApiKeyAlertOpen] = useState(false)
   const [initializing, setInitializing] = useState(true) // Add initializing state
   const versionCheckRef = useRef(false); // Prevent duplicate calls in Vite dev mode
+  const healthCheckInitializedRef = useRef(false); // Prevent duplicate health checks in Vite dev mode
 
   const handleApiKeyAlertOpenChange = useCallback((open: boolean) => {
     setApiKeyAlertOpen(open)
@@ -70,6 +71,14 @@ function App() {
       }
     };
 
+    // On first mount or when enableHealthCheck becomes true and apiKeyAlertOpen is false,
+    // perform an immediate health check
+    if (!healthCheckInitializedRef.current) {
+      healthCheckInitializedRef.current = true;
+      // Immediate health check on first load
+      performHealthCheck();
+    }
+
     // Set interval for periodic execution
     const interval = setInterval(performHealthCheck, healthCheckInterval * 1000);
     return () => clearInterval(interval);