Which OS TCL TV provides best integration

I’m looking at TCL TVs and don’t have any need for the Roku vs Google vs Android OS (I use Apple TV). I do wish to have HomeAssistant control over basic functions (power, volume, inputs, etc). From what I can see the Roku version is the most integrated. I’m willing to pay a little premium if that’s the case. Just wanted to make sure that was the case. A 65-75" TV is not something I want to take back if I make a bad assumption.
Thanks for any input.

Roku for me - Fire/Android in my experience have been laggy and I’ve had disconnection issues. Roku has been very responsive and consistent. Easy card to implement as well into the dashboard

you can always buy a dongle for $30-50

TCL Roku TVs will only toggle mute, you can’t discretely force it to mute or unmute. Not a big issue for me, never lost sync.