All this is doing is a redirect. Standard web technology. It's extremely simple. I just tested with a WoS address and it worked for me. Be sure that you're updating the field with the correct address from WoS.
Discussion
Yes I am

You can see I added yellowaddress44@walletofsatoshi.com
But if you try to send 1 sat to nico@nostrplebs.com it doesnβt retrieve the invoice
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