Running list of all state changes

Thanks for the reply! Somehow I missed it until coming across this thread during a search.

I was able to move this project forward a little with a template sensor of the alarm system state attribute, and a card I found in HACS that shows the history of a sensor.

Now I’m stuck at trying to filter out some of the unwanted attribute history.

Here’s my recent inquiry about it:

Any pointers would be hugely appreciated. Cheers.