MED-193: improve mobile design for cart tables

packages/features/medusa-storefront/src/lib/data/cart.ts

@@ -5,7 +5,7 @@ import { redirect } from 'next/navigation';
 
 import { sdk } from '@lib/config';
 import medusaError from '@lib/util/medusa-error';
-import { HttpTypes, StoreCart } from '@medusajs/types';
+import { HttpTypes, StoreCart, StoreCartPromotion } from '@medusajs/types';
 
 import { getLogger } from '@kit/shared/logger';
 
@@ -25,7 +25,9 @@ import { getRegion } from './regions';
  * @param cartId - optional - The ID of the cart to retrieve.
  * @returns The cart object if found, or null if not found.
  */
-export async function retrieveCart(cartId?: string) {
+export async function retrieveCart(
+  cartId?: string,
+): Promise<(StoreCart & { promotions: StoreCartPromotion[] }) | null> {
   const id = cartId || (await getCartId());
 
   if (!id) {