fix(dropship): preserve carton quantities and shared pallet outbound ownership

lastleg-service/src/main/resources/openapi/lastleg-internal-dropship-v1.yaml

@@ -57,12 +57,16 @@ components:
           items: { $ref: '#/components/schemas/DropshipSkuPackages' }
     DropshipSkuPackages:
       type: object
-      required: [skuCode, packageCount, productQuantity, cartonMarks]
+      required: [skuCode, packageCount, productQuantity, cartonMarks, cartonQuantities]
       properties:
         skuCode: { type: string, minLength: 1 }
         productName: { type: string, nullable: true }
         packageCount: { type: integer, format: int64, minimum: 1 }
         productQuantity: { type: integer, format: int64, minimum: 1 }
+        cartonQuantities:
+          type: object
+          description: 箱唛到逐箱实收商品件数的完整映射，键必须与 cartonMarks 一致，值合计必须等于 productQuantity
+          additionalProperties: { type: integer, format: int64, minimum: 1 }
         cartonMarks:
           type: array
           minItems: 1

lastleg-service/src/main/resources/openapi/overseas-business-v1.yaml

@@ -664,7 +664,7 @@ paths:
       description: 权限 platform:overseas-warehouse:outbound:list；只按全局唯一 outboundNo 定位并从记录解析客户范围，不接收 customerId。
       security: [{ bearerAuth: [] }]
       parameters: [{ name: outboundNo, in: path, required: true, schema: { type: string } }]
-      responses: { '200': { description: '出库单、出库托盘及关联派送单详情；pallets[].palletNo 为 Warehouse 权威实物托盘码' }, '404': { description: 出库单不存在 } }
+      responses: { '200': { description: '出库单、出库托盘及关联派送单详情；一件代发等独立出库无派送单时 delivery 为 null，排车转派送必须存在派送单；pallets[].palletNo 为 Warehouse 权威实物托盘码' }, '404': { description: 出库单不存在 } }
   /api/platform/v1/last-leg/outbound-orders/{outboundNo}/cancel:
     post:
       summary: 取消未执行出库单