Admin User v1

frontend/src/core/auth/useAdminAccess.ts

@@ -0,0 +1,30 @@
+/**
+ * @ai-summary React hook for admin access verification
+ * @ai-context Calls /api/admin/verify and caches result
+ */
+
+import { useQuery } from '@tanstack/react-query';
+import { useAuth0 } from '@auth0/auth0-react';
+import { adminApi } from '../../features/admin/api/admin.api';
+
+export const useAdminAccess = () => {
+  const { isAuthenticated, isLoading: authLoading } = useAuth0();
+
+  const query = useQuery({
+    queryKey: ['adminAccess'],
+    queryFn: () => adminApi.verifyAccess(),
+    enabled: isAuthenticated && !authLoading,
+    staleTime: 5 * 60 * 1000, // 5 minutes - admin status doesn't change often
+    gcTime: 10 * 60 * 1000, // 10 minutes cache time
+    retry: 1, // Only retry once for admin checks
+    refetchOnWindowFocus: false,
+    refetchOnMount: false,
+  });
+
+  return {
+    isAdmin: query.data?.isAdmin ?? false,
+    adminRecord: query.data?.adminRecord ?? null,
+    loading: query.isLoading,
+    error: query.error,
+  };
+};