[{"id":1,"sku":"DEMO-LAST-1","name":"【一点物】ハンドメイド◯◯","quantity":0,"updated_at":"2026-09-02T16:36:05.256Z"},{"id":2,"sku":"DEMO-SOLDOUT-0","name":"サンプル商品（売り切れ確認用）","quantity":0,"updated_at":"2026-09-01T07:24:33.914Z"},{"id":3,"sku":"DEMO-STOCK-10","name":"サンプル商品（在庫10個・busy耐性確認用）","quantity":10,"updated_at":"2026-09-01T07:24:33.914Z"}]