Used to use moonlight/sunshine to stream to my steamdeck hooked to my TV, but switched over to just using a long HDMI cable and a wireless controller. Have everything hooked up with Home Assistant, so when I start the PC in a specific automation, it will automatically switch output to the TV and start steam in big picture (steamdeck) mode. Works fairly well. Using a normal distro (Fedora), so no dual boot shenanigans. If something goes wrong, either get out of the couch (duh!) or remote with moonlight :-)