---

package i18n

type MessageKey string

// Message keys for all user-facing messages
const (
	MsgSystemError      MessageKey = "validate_mchd_activity_system_error"
	MsgValidationFailed MessageKey = "validate_mchd_activity_validation_failed"
	MsgMCHDNotActive    MessageKey = "validate_mchd_activity_mchd_not_active"
	MsgSignerMismatch   MessageKey = "validate_mchd_activity_signer_mismatch"
)


	"validate-mchd/internal/i18n"

	if len(input.FileIDs) == 0 {
		logger.Error("No file IDs provided")
		return &ValidateMCHDOutput{
			Valid:    false,
			ErrorKey: i18n.MsgSystemError,
		}, nil
	}