修复：补充发货草稿当前余量

shierfeng-fastapi-backend/module_business/dao/operation_dao.py

@@ -11,6 +11,7 @@ from module_business.entity.do.operation_do import (
     BizFillingRecord,
     BizInboundItem,
     BizInboundOrder,
+    BizPalletInventory,
     BizReturnItem,
     BizReturnOrder,
     BizShipmentItem,
@@ -645,16 +646,31 @@ class OperationDao:
         warehouse_ids: list[int] | None = None,
         site_ids: list[int] | None = None,
     ) -> BizShipmentOrder | None:
-        return await cls._get_order_detail(
+        shipment = await cls._get_by_id(
             db,
             BizShipmentOrder,
             BizShipmentOrder.shipment_id,
             shipment_id,
-            BizShipmentItem,
-            BizShipmentItem.shipment_id,
-            BizShipmentItem.shipment_item_id,
             *cls._shipment_scope_conditions(warehouse_ids, site_ids),
         )
+        if shipment is None:
+            return None
+
+        item_result = await db.execute(
+            select(BizShipmentItem, BizPalletInventory.remaining_packages)
+            .outerjoin(
+                BizPalletInventory,
+                BizPalletInventory.pallet_id == BizShipmentItem.pallet_id,
+            )
+            .where(BizShipmentItem.shipment_id == shipment_id)
+            .order_by(BizShipmentItem.shipment_item_id)
+        )
+        items = []
+        for item, remaining_packages in item_result.all():
+            item.remaining_packages = remaining_packages
+            items.append(item)
+        shipment.items = items
+        return shipment
 
     @classmethod
     async def add_shipment(

shierfeng-fastapi-backend/module_business/entity/vo/operation_vo.py

@@ -269,6 +269,12 @@ class ShipmentItemModel(BaseModel):
     pallet_id: int = Field(gt=0, description='托盘ID')
     active_filling_id: int | None = Field(default=None, gt=0, description='确认时活动装填记录ID')
     package_qty: int | None = Field(default=None, strict=True, gt=0, description='确认时包数快照')
+    remaining_packages: int | None = Field(
+        default=None,
+        strict=True,
+        ge=0,
+        description='当前库存剩余包数（只读，非确认快照）',
+    )
     create_by: str | None = Field(default=None, max_length=64, description='创建者')
     create_time: datetime | None = Field(default=None, description='创建时间')