How the USB proxy works in Qubes https://github.com/QubesOS/qubes-app-linux-usb-proxy

I also found that while the docs point me to /etc/qubes-rpc/policy, the configs have moved to /etc/qubes/policy.d, which was incredibly confusing because there ARE still config files in the documented location. It's just that the main stash moved and it's pulling in the configs from the documented (deprecated) location.

I have not yet found anything that looks like it would be filtering specific traffic to the device, so I'm not sure where the issue lies with not being able to communicate with my hidraw device