feat: payment refund

services/payment/internal/server/paymentServer.go

@@ -7,7 +7,7 @@ package server
 import (
 	"context"
 
-	"lone-services/rpc/payment/pb"
+	payment "lone-services/rpc/payment/pb"
 	"lone-services/services/payment/internal/logic"
 	"lone-services/services/payment/internal/svc"
 )
@@ -23,31 +23,26 @@ func NewPaymentServer(svcCtx *svc.ServiceContext) *PaymentServer {
 	}
 }
 
-// 发起支付
 func (s *PaymentServer) Pay(ctx context.Context, in *payment.PayReq) (*payment.Response, error) {
 	l := logic.NewPayLogic(ctx, s.svcCtx)
 	return l.Pay(in)
 }
 
-// 查询支付状态
 func (s *PaymentServer) Query(ctx context.Context, in *payment.QueryReq) (*payment.Response, error) {
 	l := logic.NewQueryLogic(ctx, s.svcCtx)
 	return l.Query(in)
 }
 
-// 关闭支付
 func (s *PaymentServer) Close(ctx context.Context, in *payment.CloseReq) (*payment.Response, error) {
 	l := logic.NewCloseLogic(ctx, s.svcCtx)
 	return l.Close(in)
 }
 
-// 退款
 func (s *PaymentServer) Refund(ctx context.Context, in *payment.RefundReq) (*payment.Response, error) {
 	l := logic.NewRefundLogic(ctx, s.svcCtx)
 	return l.Refund(in)
 }
 
-// 支付回调（由 BFF/网关转发原始 body + headers）
 func (s *PaymentServer) Notify(ctx context.Context, in *payment.NotifyReq) (*payment.Response, error) {
 	l := logic.NewNotifyLogic(ctx, s.svcCtx)
 	return l.Notify(in)