feat:Initial commit

StoreService/Database/Entities/StoreOrderItemDiscount.cs

@@ -0,0 +1,19 @@
+namespace StoreService.Database.Entities;
+
+/// <summary>
+/// Captures which discounts were applied to order items at purchase time.
+/// </summary>
+public class StoreOrderItemDiscount
+{
+    #region Properties
+    public long Id { get; set; }
+    public long StoreOrderItemId { get; set; }
+    public long? StoreDiscountId { get; set; } // can be null if discount later removed but kept for history
+    #endregion
+
+    #region Navigation
+    public StoreOrderItem? OrderItem { get; set; }
+    public StoreDiscount? Discount { get; set; }
+    #endregion
+}
+