I guess shit just work

My honest opinion is it is a nice Arch based distro with a gui installer

UwUntu

Stability

No DE just swaywm, I think you can benefit from window managers like i3 or sway for low resource utilization

I have been using a framework 13 for a year now, happy with it so far.

The best way is to use nix 🤙🏻

I think you can use usbip to share any usb device that is connected on your linux desktop to steam deck (or any other pc) over the same network.