Fix state sync for target exam tag in header

src/hooks/useActiveUser.ts

@@ -67,6 +67,13 @@ export function useActiveUser() {
     }
   }, [fetchUserProfile]);
 
+  useEffect(() => {
+    if (typeof window === "undefined") return;
+    const handleUpdate = () => fetchUserProfile(userId);
+    window.addEventListener('pragativeer-user-updated', handleUpdate);
+    return () => window.removeEventListener('pragativeer-user-updated', handleUpdate);
+  }, [userId, fetchUserProfile]);
+
   const switchUser = useCallback((newId: string) => {
     if (typeof window !== "undefined") {
       localStorage.setItem("activeUserId", newId);
@@ -116,6 +123,9 @@ export function useActiveUser() {
     error,
     switchUser,
     hasAccessTo,
-    refreshUser: () => fetchUserProfile(userId)
+    refreshUser: async () => {
+      await fetchUserProfile(userId);
+      window.dispatchEvent(new CustomEvent('pragativeer-user-updated'));
+    }
   };
 }