based on the schematics it is connected, but i found the thread and realized that the issue is more … sofisticated:
dunno if it is fixable by a revision of the CM4 adapter or by using a CM4S instead.
well in case you go into production: i would love to order one
only thing i would suggest: adding solder points for an internal usb device, so you could wire it inside and simply “block” the corresponding usb-c connector with a cover.