This calculates the summary information of data in h3 nodes and puts it in the database for fast lookup.
This will allow me to mark when an oauth token fails and surface it to the user so that they can re-up on their auth token.
I originally wasn't going to do passwords, but after struggling with webauthn I decided I'd just go for it. It simplifies the code a lot if I assert that I always have a password, displayname, etc.
