Commit inicial: ITCA_API_SAP_WMS (.NET Core 3.1)

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

Net.Business.Entities/ServicesLayer/Items/BE_ItemStock.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace Net.Business.Entities.ServicesLayer.Items
+{
+    public class BE_ItemStock
+    {
+        public string ItemCode { get; set; }
+        public string ItemName { get; set; }
+        public string WhsCode { get; set; }
+        public string WhsName { get; set; }
+        public string DistNumber { get; set; }
+        public DateTime ExpDate { get; set; }
+        public string BinCode { get; set; }
+        public double OnHandQty { get; set; }
+        public double AvgPrice { get; set; }
+    }
+}