This is looking great! Thanks for your contributions. Once you share the sources of your work I can give you the contributor badge
What's the problem? the pogo pins are not exposed enough? They are really tricky to handle and get reliable connection considering the fact that the performer will be moving. What do you plan to use as a socket?
And, is it 4 layered PCB?
In any case, this is a great development you are carrying on. We will be following closely