Complete the Native Client source/audio boundary, strict v5 loopback contract, Browser media lifecycle handling, and non-blocking release checks. Keep unverified platform/physical gates explicit; do not rewrite the Go Server.
Preserve exact selected edges across unrelated route revisions, demote corroborated bad relay parents, and parameterize the bounded endpoint cap while retaining the production default of two.
Adds the explicit Windows WGC/D3D11 hardware-only Media Foundation H.264 source, process-tree audio, direct Go/Pion fanout, source-aware UI/gate, and unique evaluation package helper. Browser VP8 remains the default. Local acceptance and bounded real-device evidence are recorded in the PR; GitHub jobs were billing-blocked before executing any step.
Adds an explicit H.264 Native sender mode while preserving VP8 as the default, with one bounded Host/Viewer loopback and an explicit hardware-attribution caveat.