827cc0223d
redbear-ecmd: EcmScheme → /scheme/net/usbECM_<N> for netstack redbear-usbaudiod: AudioScheme → /scheme/audio/usbAudio_<N> for audiod (supports capture/playback path routing via openat path names) All 4 class drivers now have scheme service wrappers: redbear-acmd → /scheme/ttys/usbACM_<N> redbear-ftdi → /scheme/ttys/usbFTDI_<N> redbear-ecmd → /scheme/net/usbECM_<N> redbear-usbaudiod → /scheme/audio/usbAudio_<N> (HID+Storage already have scheme integration via ProducerHandle/DiskScheme)