Expose a private, versioned control device that lets the IDD discover
and claim the active audio adapter without using the public PortCls
endpoints.
Restrict access to SYSTEM and UMDF hosts, track adapter and binding
generations, and keep broker failure optional. Reserve data-plane
capabilities without advertising them until PCM queues are available.
Add a WaveRT adapter with render and capture endpoints backed by a
local ring buffer and shared presentation clock.
Advertise PCM formats through 192 kHz, eight channels, and packed
24-bit samples. Register LGAudio in the IDD solution and package it as
Looking Glass Audio.
