How are user titles generated?

[cpradio]

@tophee

even less so how to grant a badge automatically (couldn’t find the answer).

If you want to go the badge route, read this:
https://meta.discourse.org/t/how-can-i-apply-a-badge-to-group-of-users/17998/2?u=cpradio

To enable the Badge SQL box, you must follow

Enable Badge SQL

Enabling Badge SQL entails security and performance risks. Starting from Discourse 1.6 badge SQL can no longer be edited by admins unless explicitly enabled. This change was made for a couple of reasons: Security: Allowing admins to enter SQL directly grants them raw access to the database. Generally, we opt that raw access to the database from the web UI as a feature you opt-in for. Even though the queries only return user_ids, an admin attacker can discover any information in …

(Sorry it took so long to reply with this detail, it took me a moment to find it again)