Advance the data-loading monitor panel through its display states via the
shared DataMonitorManager singleton.
Production code drives the panel through the cross-layer event bus
('panel-cycle'); this thin accessor is retained so integration tests can drive
the cycle behavior directly.
Parameters
Optionalid: string
Optional monitor id to cycle; defaults to the manager's default monitor.
Advance the data-loading monitor panel through its display states via the shared DataMonitorManager singleton.
Production code drives the panel through the cross-layer event bus ('panel-cycle'); this thin accessor is retained so integration tests can drive the cycle behavior directly.