Correct localhost marketing_url default and stop redirecting guests through
/sso/connect on visit; SSO starts only via explicit sign-in.
Co-authored-by: Cursor <cursoragent@cursor.com>
Remove interactive OAuth fallback on silent SSO failure and add ladill.marketing_url config so app subdomains open the dashboard when signed in locally.
Co-authored-by: Cursor <cursoragent@cursor.com>