优化结构

internal/data/payment/payment_helpers.go

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