I am the developer of HACK (Hacker News client for iOS, MacOS and Android) and have no idea what happens in my case since HN doesn't seem to offer account delet

I am the developer of HACK (Hacker News client for iOS, MacOS and Android) and have no idea what happens in my case since HN doesn't seem to offer account deletions. The guidelines doesn't seem to specify what happens with third party clients. @dang is there a way to delete accounts on HN?