Okay. This sounds very strange, but I had a similar issue with the nintendo switch pro controller and binding of isaac. I played around with antimicrox, but the real solution I found was to launch steam and leave it running. Then, my pro controller would magically work.
I didn't have to launch the game via steam either, which is what made it even stranger to me.
This is a very good writeup.
Do you think supabase or other similar solutions also have these pitfalls?