gsettings set org.gnome.settings-daemon.plugins.power idle-brightness 100
https://www.reddit.com/r/linuxquestions/comments/utle2w/ubuntu_2204_is_there_a_way_to_disable_screen/
Create or edit your portal override config at ~/.config/xdg-desktop-portal/niri-portals.conf (or globally at /usr/share/xdg-desktop-porta...
