Replace entire repo content with code from /root/shahikitchen-google/

infrastructure/auth/require-menu-manager.ts

@@ -0,0 +1,17 @@
+import { NextResponse } from 'next/server';
+import { isMenuManagerEmail } from '@/domain/auth/menu-managers';
+import { getCustomerSession } from './customer-session';
+
+export async function getMenuManagerSession() {
+  const session = await getCustomerSession();
+  if (!session || !isMenuManagerEmail(session.email)) return null;
+  return session;
+}
+
+export async function requireMenuManager(): Promise<NextResponse | null> {
+  const session = await getMenuManagerSession();
+  if (!session) {
+    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+  }
+  return null;
+}