ReadonlycameraReadonlyengineReadonlysceneSmoothly pan the camera target to the given agent node. No-op in cards mode (chat panel opens instead via agent-selected event).
Remove agents belonging to nodes whose heartbeat has gone stale (>3 min).
Accept external theme-switch requests (e.g. from CardDashboard sub-theme toggle).
OptionalmemTotalMb: number
Return all currently tracked agents (for mention-autocomplete etc.).