Server sends /t/{slug}/login as post_logout_redirect_uri on logout but
only /t/{slug} and /t/{slug}/login?local were registered, causing
"post_logout_redirect_uri not registered" error from Logto.
Also removes legacy /server/* redirect URIs from bootstrap (greenfield).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>