I definitely figured the punchline here would be completely killing the username. There's simply no need: drop searching for friends by username completely, mak

I definitely figured the punchline here would be completely killing the username. There's simply no need: drop searching for friends by username completely, make user identification on the backend just a UUID of some kind, and handle everything through opaque links, QR codes, and server DMs. This new system is... questionable.