chore: ⬆️ Update 0xShug0/audio.cpp to cf124a67cc55d8f65a9a15eec69edbff0fb212c8 (#12421)

* ⬆️ Update 0xShug0/audio.cpp

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* fix(audio-cpp): mirror the turn detection task

The upstream enum adds TurnDetection, so the exhaustive conversion fails
to compile. Extend both conversions and preserve the RPC admission rules.
Test that turn detection cannot route through VAD or another existing RPC.

Assisted-by: Codex:gpt-6

---------

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: mudler <2420543+mudler@users.noreply.github.com>
Co-authored-by: localai-org-maint-bot <306269227+localai-org-maint-bot@users.noreply.github.com>

backend/cpp/audio-cpp/capability_routing.h

@@ -26,6 +26,7 @@ enum class Task {
     SpeakerRecognition,
     Svc,
     Midi,
+    TurnDetection,
 };
 
 // Mirrors engine::runtime::RunMode.
@@ -78,7 +79,7 @@ struct Route {
 Route resolve_route(Rpc rpc, const RequestShape &shape, const Capabilities &caps);
 
 // Canonical audio.cpp short names: gen, tts, clon, vc, svc, s2s, asr, align,
-// vad, diar, sep, vdes, spk. parse_task_name additionally accepts "spkrec" as
+// vad, diar, sep, vdes, spk, midi, turn. parse_task_name additionally accepts "spkrec" as
 // a legacy alias; task_name only ever emits "spk".
 const char *task_name(Task task);
 const char *mode_name(Mode mode);