Building a client with no way to export your nsec, edit your relays, or change your Lightning address is shady af. Just saying.
They continually say they're going to have this feature available. It's not even open to the public and you have to use shitty spamming and invite methods to gain access. It's clearly not a public project yet. Let them build this feature. They said they were going to. Check back in a few months and see if they kept their word.