Replace entire repo content with shahikitchen-v1-prodcution.zip (v1.1 production)

domain/menu/repository.ts

@@ -0,0 +1,8 @@
+import type { MenuCategory, MenuItem } from './entities';
+
+/** Port: menu data access (implemented by infrastructure). */
+export interface MenuRepository {
+  getCategories(): MenuCategory[];
+  getAllItems(): MenuItem[];
+  findItemById(id: string): MenuItem | undefined;
+}