Have you considered a dog?

I've always heard that the calculus for a break-in was that even if you had an alarm, they had N minutes to Supermarket Sweep the place before the cops arrived.

Conversely, if there's a surly Rottweiler pacing in the yard, there's the distinct risk if immediate interception.

Not sure yet. I got a starling hub, which makes my google devices HomeKit compatible. So maybe something by Abode... haven't thought it through yet.

Glad the industry is moving towards Matter / Thread - but things not quite there yet.