优化结构

internal/data/payment/payment_helpers.go

@@ -1,23 +0,0 @@
-package payment
-
-import "kra/internal/utils/paymentutil"
-
-func text(values map[string]any, key string) string {
-	value, _ := values[key].(string)
-	return value
-}
-
-func firstAny(values map[string]any, keys ...string) string {
-	for _, key := range keys {
-		if value, ok := values[key].(string); ok && value != "" {
-			return value
-		}
-	}
-	return ""
-}
-
-// 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)
-}