If you’re going to post a code example, at least check that it works. Here’s your example, with no type hints, giving me errors both from the LSP, and when trying to run via mypy: https://imgur.com/a/Hq5Y5Gt.

You can use mypy and/or Pydantic.

Exactly. archinstall is pretty nice, and if you want the frustration of dealing with random errors, it’s still there. But it’s straightforward (but keep the docs handy since you’ll likely need them).

Yeah. My sister uses Linux, and I’ve taught her basic commands to just make things easier (apt install, cd, ls, that sorta thing). And she knows how to find a decent website for support and copy the commands, which are usually fine.