If you hate tmux or you don't know tmux hotkeys or how to copy and paste on tmux, that's not a reason to not try the Spacechain demo anymore. A new section was added to the github.com/fiatjaf/soma (https://github.com/fiatjaf/soma) README:
https://nitter.moomoo.me/fiatjaf/status/1650610962527862784#m