add network err

pkg/errors/errors.go

@@ -15,6 +15,7 @@ const (
 	ErrorTypeInternal     ErrorType = "INTERNAL"
 	ErrorTypeUnauthorized ErrorType = "UNAUTHORIZED"
 	ErrorTypeForbidden    ErrorType = "FORBIDDEN"
+	ErrorTypeNetwork      ErrorType = "NETWORK"
 )
 
 // AppError - кастомная ошибка приложения
@@ -67,6 +68,14 @@ func NewNotFoundError(message string) *AppError {
 	}
 }
 
+func NewNetworkError(message string) *AppError {
+	return &AppError{
+		Type:    ErrorTypeNetwork,
+		Message: message,
+		Code:    0, // Network errors don't have HTTP codes
+	}
+}
+
 func NewInternalError(message string) *AppError {
 	return &AppError{
 		Type:    ErrorTypeInternal,