Initial commit

frontend/src/components/ProtectedRoute.tsx

@@ -0,0 +1,10 @@
+import { Navigate, Outlet } from 'react-router-dom';
+import { useAuth } from '../auth/AuthContext';
+import { Spinner } from './Spinner';
+
+export function ProtectedRoute() {
+  const { user, loading } = useAuth();
+  if (loading) return <Spinner label="Checking your credentials…" />;
+  if (!user) return <Navigate to="/login" replace />;
+  return <Outlet />;
+}