refactor(accounting): 修改做账合同生成接口参数结构

- 新增 ArgsAccountingGen 结构体定义
- 将 shipmentId 参数改为 args 参数传递
- 添加 AccountingGenType 类型定义
- 定义销售和订舱两种做账单生成类型常量

erp/constant.go

@@ -149,3 +149,10 @@ const (
 	OrderSortAsc  OrderSort = "asc"
 	OrderSortDesc OrderSort = "desc"
 )
+
+type AccountingGenType = int64
+
+const (
+	AccountingGenTypeSaleStaff     AccountingGenType = 1 // 按销售生成做账单
+	AccountingGenTypeShipmentStaff AccountingGenType = 2 // 按订舱生成做账单
+)