Currently carpet does not allow you spawn a bot with an ID which is not used by any online-mode Minecraft account in the real world, if the server is in online-mode.

Is this a feature by design? Or can we add a carpet configuration, say, which makes the bot use an offline-mode UUID if the corresponding online-mode Minecraft account UUID does not exist? Because it is annoying if you want some fake players with custom names like bot_monster_farm which is not registered as online Minecraft account.

This is what I've got when I am trying to spawn a fake player with names like that:

I implemented this feature here. Is there anything I forgot? Tell me if this is not suitable for Carpet.