优化结构

internal/data/payment/payment_helpers.go

@@ -1,6 +1,6 @@
 package payment
 
-import "kra/pkg/paymentkit"
+import "kra/internal/utils/paymentutil"
 
 func text(values map[string]any, key string) string {
 	value, _ := values[key].(string)
@@ -17,7 +17,7 @@ func firstAny(values map[string]any, keys ...string) string {
 }
 
 // configuredInt64 keeps repository-side validation independent from the
-// provider adapter package while sharing the canonical paymentkit parser.
+// provider adapter package while sharing the canonical payment parser.
 func configuredInt64(values map[string]any, key string, fallback int64) int64 {
-	return paymentkit.ConfiguredInt64(values, key, fallback)
+	return paymentutil.ConfiguredInt64(values, key, fallback)
 }