Session state only — who you are and what you are reading belong to the window title bar.

      <.status_bar_app lag_ms={85} lag_status={:normal} />
    

Notify-list badge — shown only when someone on the list is online.

Lag is elevated — displayed in warning colour.

Lag is dangerously high — displayed in error colour.

Server not responding — lag shown as '?' in error colour.

Notifications muted — mute icon displayed in the last zone.