Scenes
highlight = CE belief (ui.active_button_id from
preset_changed); a tap only pulses until the event confirms.
Ceiling (simulator truth — lights_changed only)
PIR sensor
walk in = PIR motion · walk out starts the vacancy delay
Bus side
bus-side keypad (CE only overhears) — watch for the <RX* line
Faults
the link button's colour is CE state (connection_status);
its label is the lever's last commanded position.