fix: 修复发货功能 delivery_status 字段类型问题，从 byte 改为 int 支持 -1 默认值

server/HoneyBox/src/HoneyBox.Core/Services/WarehouseService.cs

@@ -1084,7 +1084,7 @@ public class WarehouseService : IWarehouseService
                 SendTime = 0,
                 ShouTime = 0,
                 CancelTime = 0,
-                DeliveryStatus = 0,
+                DeliveryStatus = -1,  // -1 表示未查询物流
                 DeliveryTime = 0,
                 AdminId = 0,
                 CreatedAt = DateTime.UtcNow,

server/HoneyBox/src/HoneyBox.Model/Entities/OrderItemsSend.cs

@@ -81,7 +81,7 @@ public partial class OrderItemsSend
     /// <summary>
     /// 物流状态：-1未查询，0在途，1揽收，2疑难，3签收，4退签，5派件，6退回
     /// </summary>
-    public byte DeliveryStatus { get; set; }
+    public int DeliveryStatus { get; set; }
 
     /// <summary>
     /// 物流更新时间戳