Optionalinit: RequestInitOptionalinit: RequestInitExchange an Auth0 access token (JWT) for a tutti session token and store it
on the session. Subsequent requests are authenticated via X-Tutti-Auth.
Full login: run the Auth0 flow (solving the captcha via the provider), then exchange the resulting JWT for a tutti session.
The signed-in account's profile (requires an authenticated session).
Run only the OAuth/Auth0 portion, returning raw tokens (no API exchange).
Authenticate with a tutti session token captured elsewhere (app/proxy).
OptionalaccountId: string
Account auth + reads (REST on api.tutti.ch).