优化结构

internal/data/payment/provider.go

@@ -1,9 +1,16 @@
 package payment
 
-import "gorm.io/gorm"
+import (
+	"gorm.io/gorm"
+
+	"github.com/google/wire"
+)
 
 // Provider is the narrow persistence seam required by payment repositories.
 // Keeping it here lets payment remain an independent data module.
 type Provider interface {
 	DB() *gorm.DB
 }
+
+// ProviderSet wires payment persistence repositories.
+var ProviderSet = wire.NewSet(NewPaymentRepo, NewPaymentOrderRepo)