What do you need help with? I recently set up an Alpine Linux system and was surprised how easy audio was. I just installed pipewire, pipewire-pulse and wireplumber, made sure they start when the system starts and added my user to the audio and video groups. I’m not an expert on Linux though, so I don’t know how it works on other systems.

No! The standard for an arbitrary open port is 1234

Are there some big drawbacks that one has to live with switching from LaTeX to Typst or is it generally able to be a full replacement?