updated voice, avatar and frontend to reflect changes

backend/app/routers/voice.py

@@ -18,7 +18,17 @@ router = APIRouter(prefix="/api/voice", tags=["voice"])
 @router.get("/config", response_model=VoiceConfigOut)
 async def voice_config(user: User = Depends(get_current_user)):
     """Return current voice mode so frontend knows whether to use browser or API."""
-    return VoiceConfigOut(voice_mode=get_settings().voice_mode)
+    settings = get_settings()
+    # API STT (Whisper) works with OpenAI-compatible providers
+    api_available = bool(
+        settings.voice_mode == "api"
+        and settings.llm_api_key
+        and settings.llm_provider in ("openai",)
+    )
+    return VoiceConfigOut(
+        voice_mode=settings.voice_mode,
+        voice_api_available=api_available,
+    )
 
 
 @router.post("/transcribe")

backend/app/schemas.py

@@ -90,3 +90,4 @@ class VoiceInstructionRequest(BaseModel):
 
 class VoiceConfigOut(BaseModel):
     voice_mode: str  # "api" | "browser"
+    voice_api_available: bool = False  # True if API STT (Whisper) is configured