Commit inicial: ITCA_API_SAP_WMS (.NET Core 3.1)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Net.Data/WMS/Items/IItemsRepository.cs

@@ -0,0 +1,11 @@
+using Net.Business.Entities;
+using Net.Business.Entities.ServicesLayer.Items;
+using System.Threading.Tasks;
+
+namespace Net.Data.WMS.Items
+{
+    public interface IItemsRepository
+    {
+        Task<BE_ResultadoTransaccion<BE_ItemStock>> GetStockItem();
+    }
+}