I have replaced autohotkeys with https://github.com/espanso/espanso

It does everything I need it to, although I am not sure if it can do the mouse button things you need

What do you do on that many pi’s that could not be done easier on 1 x86 box?

Does this work on a headless box?

Thanks for posting this! Was a very interesting read. I am deep into Logseq right now but this setup is tempting