Really nice, did you buy the glass plates from there ?
https://www.aliexpress.com/item/2gang-golden-small-glass-switch-panel-match-with-Bingo-Elec-frame-glass-or-aluminum-and-2gang/32393507034.html
If not, can you please tell where you get them from ? Thank you !
Do some debug on the node and on gateway and check if data is actually sent from the node and received by gateway. Also use wait instead of sleep if you are using it as a repeater and relay actuator.