Improve authentication flow and navigation handling

- Replace never-resolving promise with rejection
- Remove unnecessary setTimeout in navigation

lightrag_webui/src/api/lightrag.ts

@@ -186,8 +186,9 @@ axiosInstance.interceptors.response.use(
         }
         // For other APIs, navigate to login page
         navigationService.navigateToLogin();
-        // Return a never-resolving promise to prevent further execution
+
-        return new Promise(() => {});
+        // return a reject Promise
+        return Promise.reject(new Error('Authentication required'));
       }
       throw new Error(
         `${error.response.status} ${error.response.statusText}\n${JSON.stringify(

lightrag_webui/src/services/navigation.ts

@@ -67,14 +67,10 @@ class NavigationService {
       return;
     }
 
-    // First navigate to login page
-    this.navigate('/login');
-
-    // Then reset state after navigation
-    setTimeout(() => {
     this.resetAllApplicationState();
     useAuthStore.getState().logout();
-    }, 0);
+
+    this.navigate('/login');
   }
 
   navigateToHome() {