I might be overthinking this and Auth0 is perfectly usable if I create that in React, and use the bearer token or whatever from Nodebb. The issue still remains though that I want that to be the only way to register for an account (in the custom registration page on the front-end.) I'll have to disable user registration with SSO I guess or hide that alternative login option... What's odd though is that only the alternative login works when an account is created that way. It looks like when the account is made, it gets added to the users list in nodebb, so you should be able to login with the email and password you registered with on Auth0, right?
