Env-based notifier creds were unreliable; use secrets/smtp_*.txt, RFC5322 sender, and implicit TLS to 0012.de Plesk. Co-authored-by: Cursor <cursoragent@cursor.com>
Compose + Traefik ForwardAuth middleware, Redis sessions, SMTP via 0012.de, TOTP and ACL for consumer apps (e.g. pi.schwenk.online). Co-authored-by: Cursor <cursoragent@cursor.com>