LED command: LED [QUIET|AUTO] - QUIET: LED off, turns solid on motion/presence detection, blinks on OTA - AUTO: Original behavior (constant blink) Persisted via NVS key 'led_quiet'.
LED command: LED [QUIET|AUTO] - QUIET: LED off, turns solid on motion/presence detection, blinks on OTA - AUTO: Original behavior (constant blink) Persisted via NVS key 'led_quiet'.