refac: migration crash, real-database tests, site deleted during create, ruels out of the repo, lists

api/pkg/articleerr/articleErr.go

@@ -86,6 +86,7 @@ var localizationSentinels = []sentinelResponse{
 	{language.ErrInvalidLanguage, apperr.InvalidLanguageErrorMessage, http.StatusUnprocessableEntity},
 	{language.ErrUnsupportedLanguage, apperr.UnsupportedLanguageErrorMessage, http.StatusUnprocessableEntity},
 	{transaction.ErrLockContention, apperr.StoryBusyErrorMessage, http.StatusConflict},
+	{domain.ErrTargetSiteDeleted, apperr.TargetSiteDeletedErrorMessage, http.StatusConflict},
 }
 
 func writeSentinel(w http.ResponseWriter, err error) bool {