feat: 更新服务方法，显式接受用户ID参数，简化上下文调用

backend/app/services/coupon_test.go

@@ -1,7 +1,6 @@
 package services
 
 import (
-	"context"
 	"database/sql"
 	"testing"
 
@@ -42,7 +41,16 @@ func Test_Coupon(t *testing.T) {
 func (s *CouponTestSuite) Test_CouponFlow() {
 	Convey("Coupon Flow", s.T(), func() {
 		ctx := s.T().Context()
-		database.Truncate(ctx, s.DB, models.TableNameCoupon, models.TableNameUserCoupon, models.TableNameOrder, models.TableNameUser, models.TableNameContent, models.TableNameContentPrice)
+		database.Truncate(
+			ctx,
+			s.DB,
+			models.TableNameCoupon,
+			models.TableNameUserCoupon,
+			models.TableNameOrder,
+			models.TableNameUser,
+			models.TableNameContent,
+			models.TableNameContentPrice,
+		)
 
 		user := &models.User{Username: "coupon_user", Phone: "13800000001"}
 		models.UserQuery.WithContext(ctx).Create(user)
@@ -90,8 +98,7 @@ func (s *CouponTestSuite) Test_CouponFlow() {
 				UserCouponID: cast.ToString(uc.ID),
 			}
 			// Simulate Auth context for Order service
-			authCtx := context.WithValue(ctx, consts.CtxKeyUser, user.ID)
-			res, err := Order.Create(authCtx, form)
+			res, err := Order.Create(ctx, user.ID, form)
 			So(err, ShouldBeNil)
 
 			// Verify Order