That part I understand. It’s unclear to me in which auth endpoint(s) and auth flow(s) are affected. Is it the token endpoint, or auth endpoint? Or is it somewhe

That part I understand. It’s unclear to me in which auth endpoint(s) and auth flow(s) are affected. Is it the token endpoint, or auth endpoint? Or is it somewhere in the login flow before the user agent is redirected to the token endpoint?