So i can see my use case like this: I ssh from my phone to my home raspberry pi through tailscale. i type an alias that causes the RPi to run bitbang serve and prints the connection number through stdout so i see it on my phone ssh session.
Now on an untrusted PC i can bingbang into my home network, do stuff with a real keyboard, and then run another command to shutdown bitbang.
Now on an untrusted PC i can bingbang into my home network, do stuff with a real keyboard, and then run another command to shutdown bitbang.
Does that sound feasible?