If the hardware has the compatibility for it, then yes
It probably is what they have in mind, but they could also go the route with some custom system. Unlikely but not impossible.
The issue if they go custom, is how much ground they’ll need to cover to reach SteamOS levels of plug 'n play
If you install SteamOS on it, wouldn’t it be as plug-and-play as the Steam Deck?
If the hardware has the compatibility for it, then yes It probably is what they have in mind, but they could also go the route with some custom system. Unlikely but not impossible.
The issue if they go custom, is how much ground they’ll need to cover to reach SteamOS levels of plug 'n play