pay: InvoiceRequest 增加 batch_filter 透传字段

Co-authored-by: Cursor <cursoragent@cursor.com>

services/pay/invoice.go

@@ -21,6 +21,7 @@ type InvoiceRequestParam struct {
 	Phone       string                `json:"phone"`
 	RequestName string                `json:"request_name"`
 	From        string                `json:"from"`
+	BatchFilter string                `json:"batch_filter"` // 批量开票圈选条件快照(JSON)，单个开票留空
 	Orders      []InvoiceRequestOrder `json:"orders"`
 }
 
@@ -33,6 +34,7 @@ type InvoiceRequestRequest struct {
 	Phone       string                `position:"Json" field:"phone"`
 	RequestName string                `position:"Json" field:"request_name"`
 	From        string                `position:"Json" field:"from"`
+	BatchFilter string                `position:"Json" field:"batch_filter"`
 	Orders      []InvoiceRequestOrder `position:"Json" field:"orders"`
 }
 
@@ -53,6 +55,7 @@ func CreateInvoiceRequestRequest(param InvoiceRequestParam) *InvoiceRequestReque
 		Phone:       param.Phone,
 		RequestName: param.RequestName,
 		From:        param.From,
+		BatchFilter: param.BatchFilter,
 		Orders:      param.Orders,
 	}
 	req.InitWithApiInfo(HOST, VERSION, "/api/invoice/request")