I know the topic of tracking Apple AirTags has been covered at length. And mostly established that it ain’t possible. BUT!
I am thinking of whether there is a way to leverage Apple Shortcuts on an older iPhone or iPad that is lying around collecting dust (that can repeat shortcut on a cadence). Right now, you can open Find My Items page of the app through Shortcuts by using “Open URL findmy://items”. Couldn’t figure how to get to a page for specific item, but maybe the community brains may have ideas. Guess it must be findmy://items/???
If that is possible, then we can follow this action with a wait for x seconds for page to refresh, Take Screenshot, Extract Text from Picture, If “contains” “home” press a button once (eg. make an Action in Home Assistant for it and maybe use a spare Aqara Button or something like that). From there you can run automations or something