Updated frameworks.

frontend/src/core/auth/Auth0Provider.tsx

@@ -44,9 +44,11 @@ const TokenInjector: React.FC<{ children: React.ReactNode }> = ({ children }) =>
   const { getAccessTokenSilently, isAuthenticated } = useAuth0();
 
   React.useEffect(() => {
+    let interceptorId: number | undefined;
+
     if (isAuthenticated) {
       // Add token to all API requests
-      apiClient.interceptors.request.use(async (config) => {
+      interceptorId = apiClient.interceptors.request.use(async (config) => {
         try {
           const token = await getAccessTokenSilently();
           config.headers.Authorization = `Bearer ${token}`;
@@ -56,6 +58,13 @@ const TokenInjector: React.FC<{ children: React.ReactNode }> = ({ children }) =>
         return config;
       });
     }
+
+    // Cleanup function to remove interceptor
+    return () => {
+      if (interceptorId !== undefined) {
+        apiClient.interceptors.request.eject(interceptorId);
+      }
+    };
   }, [isAuthenticated, getAccessTokenSilently]);
 
   return <>{children}</>;