Don’t connect it to the internet, only to your lan (on a separate vlan) connecting to your jelly and *arr setup, or, you can get a tv box, flash it with vanilla android, have kodi and addon pointing to your jelly server, and from that tv box is an hdmi to your TV, same is also doable with a rpi. It won’t be plug and play but it’s a weekend project, because there are no tv manufacturers who cares about privacy, or get a dumb tv and connect an hdmi to your pc but you will lose new features.