It depends on how you want to organize things. If I were to add this feature to KeyMaster, I’d add a disarm toggle for each user in the gui. In the example a few posts above, that’s a single automation for all slots. But there’s no reason you couldn’t create an automation for each slot. But it’s a sloppy approach. I prefer code to be centralized.
You might have noticed there is yaml for each slot, likemfrontdoor_keymaster_1.yaml but there is also frontdoor_keymaster_common.yaml which is used by all slots. I try and keep the slots as small as possible.