Welp, so, here we are.
I’m on live ISO and in root. I fetched fstab from root if it helps. How do I get out of this purgatory?
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a device; this may
# be used with UUID= as a more robust way to name devices that works even if
# disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
UUID=41E2-ABC8 /boot vfat defaults,umask=0077 0 2
UUID=cd90e23e-44ba-4626-9af0-f0b55875e4a7 / btrfs subvol=/@,defaults,noatime,compress=zstd:1 0 0
UUID=cd90e23e-44ba-4626-9af0-f0b55875e4a7 /home btrfs subvol=/@home,defaults,noatime,compress=zstd:1 0 0
UUID=cd90e23e-44ba-4626-9af0-f0b55875e4a7 /root btrfs subvol=/@root,defaults,noatime,compress=zstd:1 0 0
UUID=cd90e23e-44ba-4626-9af0-f0b55875e4a7 /srv btrfs subvol=/@srv,defaults,noatime,compress=zstd:1 0 0
UUID=cd90e23e-44ba-4626-9af0-f0b55875e4a7 /var/cache btrfs subvol=/@cache,defaults,noatime,compress=zstd:1 0 0
UUID=cd90e23e-44ba-4626-9af0-f0b55875e4a7 /var/tmp btrfs subvol=/@tmp,defaults,noatime,compress=zstd:1 0 0
UUID=cd90e23e-44ba-4626-9af0-f0b55875e4a7 /var/log btrfs subvol=/@log,defaults,noatime,compress=zstd:1 0 0
tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0