feat(erp): 新增付款退款单确认与取消确认功能

- 在查询参数结构体中添加 IsConfirm 字段，支持按确认状态筛选
- 在数据模型结构体中添加 IsConfirm 字段并配置 json 标签
- 新增 Confirm 方法，调用远程接口确认付款退款单
- 新增 CancelConfirm 方法，调用远程接口取消确认付款退款单

erp/paymentRefund.go

@@ -21,6 +21,7 @@ type PaymentRefundSearch struct {
 	PaymentRefundSerial string     // 付款退款单号
 	FactoryId           int64      // 工厂
 	FactoryName         string     // 工厂名称
+	IsConfirm           int64      // 确认状态 1=已确认 2=未确认
 	CreatedAtStart      *time.Time // 创建开始时间
 	CreatedAtEnd        *time.Time // 创建结束时间
 }
@@ -45,6 +46,7 @@ type PaymentRefundItem struct {
 	PaymentPurposeNumber string          `json:"paymentPurposeNumber"`
 	PaymentPurpose       string          `json:"paymentPurpose"`
 	Remark               string          `json:"remark"`
+	IsConfirm            int64           `json:"isConfirm"`
 	Ik3cloudStatus       int64           `json:"ik3CloudStatus"`
 	Ik3cloudErrMsg       string          `json:"ik3CloudErrMsg"`
 	Ik3cloudUpdatedAt    *time.Time      `json:"ik3CloudUpdatedAt"`
@@ -153,6 +155,26 @@ func (p *paymentRefund) Cancel(ctx context.Context, paymentRefundId int64) error
 	return xClient.Call(ctx, "Cancel", paymentRefundId, &reply)
 }
 
+// Confirm @TITLE 确认付款退款单
+func (p *paymentRefund) Confirm(ctx context.Context, paymentRefundId int64) (err error) {
+	xClient, err := client.GetClient(p)
+	if err != nil {
+		return
+	}
+	reply := 0
+	return xClient.Call(ctx, "Confirm", paymentRefundId, &reply)
+}
+
+// CancelConfirm @TITLE 取消确认付款退款单
+func (p *paymentRefund) CancelConfirm(ctx context.Context, paymentRefundId int64) (err error) {
+	xClient, err := client.GetClient(p)
+	if err != nil {
+		return
+	}
+	reply := 0
+	return xClient.Call(ctx, "CancelConfirm", paymentRefundId, &reply)
+}
+
 // Ik3cloud @TITLE 金蝶同步
 func (p *paymentRefund) Ik3cloud(ctx context.Context, paymentRefundId int64) (err error) {
 	xClient, err := client.GetClient(p)