- RegisterUser: nil handle, validation refusals that write nothing, the
activation and IP options, the configured bcrypt cost, input untouched
- FireRegisterEvent: payload without password keys, listener error
returned, nil app and nil fields
- IssueToken: issuer from the request URL and X-Forwarded-Proto, nil
user, nil request and a missing JWT secret refused
- APIArray: listener merge, listener error, nil user
