I’d like to do the same, but atm I use nginx to serve all the web interfaces… And keycloak support is either a plus subscription feature or made to work with hacky Lua scripts.
So for now it’s security through obscurity, I got a wildcard cert and the pages are accessed based on subdomain. So afaik nobody has a clue unless they start iterating common subdomain names. (At some point™️ I’m adding proper auth though)
Our dishwasher has the option to reset the currently selected program but it has to take a minute to do so with the machine closed always. So you’d press start, realise you selected the wrong program and, even though nothing changed except software, still have to close it for a minute.