| Cookie / service | Storage period | Purpose |
|---|---|---|
bilddb_session | until the browser is closed | Session: sign-in, security (CSRF), language. |
remember_me | 30 days (only with “stay logged in”) | Automatic re-login. |
lightbox_guest | 365 days (only when a guest creates a lightbox) | Mapping of guest lightboxes (random value, no personal reference). |