Basically what you do is you boot up your computer, enter the password for your encrypted drive, and when on the GRUB boot screen you can select "Filesystem Sna

Basically what you do is you boot up your computer, enter the password for your encrypted drive, and when on the GRUB boot screen you can select "Filesystem Snapshots" and boot into one of those, which reverts most of your root partition to an earlier state. The Arch wiki has a decent article about Snapper: <https://wiki.archlinux.org/title/Snapper https://wiki.archlinux.org/title/Snapper>, though note that the OpenSUSE installer makes it easy to set up the btrfs subvolumes.