Comment by prettymuchnoone

as for 1. if you ever have some free time on your hands, and want to take declarative configs to the next level, you can check out Impermanence for NixOS: https://news.ycombinator.com/item?id=37218289

and 2...hm I know i've done Miracast before with GNOME Network Displays https://flathub.org/apps/org.gnome.NetworkDisplays