Thanks for the info!

I feel like you meant to reply to another comment. Were you referring to Moneymanager EX?

I haven’t done anything with Wireguard, and less than I’d like with HA, but I think the solution here might work for you. His reasons are different, and he has some criteria that vary from yours, and it’s for HA Green, but it’s done by creating an add-on so it should work for any HA install without direct access to config files or systemd. Hope it helps.