feat: added some filed to shipment serializers

shipment/models.py

@@ -561,6 +561,14 @@ class ShipmentDelivery(ModelBase):
         verbose_name='内部备注',
     )
 
+    shipment_order_ids = models.JSONField(
+        null=True,
+        blank=True,
+        default=list,
+        verbose_name='出货单顺序ID列表',
+        help_text='前端自管的出货单展示顺序，后端不据此重排 shipments 关系',
+    )
+
     started_at = models.DateTimeField(
         null=True,
         blank=True,