Is it really a massive inconvenience? I would hardly even call it a minor inconvenience. I get a notification maybe twice per week that there are updates pending, and I just accept them in bulk. Your life must be absolutely perfect and ridiculously easy if that simple infrequent action can be classified as a massive inconvenience.
There are much more annoying things when de-googling and using graphene OS than this IMO. This hardly even registers as annoying. Not being able to use my government 2FA app or NFC payments, now that is massive inconvenience.
You’d just run a cable to the door from the hinge side, preferably inside the door through the hinge so it’s not visible on the door itself. This is a very common solution for electronic locks in office buildings for example.