That’s hilarious :D

What It IS
A real DOOM port - Uses the actual DOOM engine via doomgeneric, playing real levels with real game logic

What it ISN’T:
…
A practical use of your PCB editor - This serves no purpose other than being delightfully absurd

Also its probably a lot easier to handle for performing testing on equal conditions through the tests for all their cards. Sounds like ideally they want to freeze all their versions for at least a quarter of a year or more

I think Mint does this out of the box, but check if Timeshift is set up for automatic backups. It’s meant for system-level snapshots (basically everything outside the HOME-folder), so you can easily revert if an update or something breaks the system.

Also consider some form of periodic external backup of her files and documents in the home folder, to protect against hardware failure.