chore: disable legacy audio proxy and hide audio controls

app/main.py

@@ -285,29 +285,9 @@ async def api_lookup(
 
 
 @app.api_route("/api/audio", methods=["GET", "HEAD"])
-async def api_audio_proxy(url: str = Query(..., min_length=1), user: dict = Depends(require_user)):
-    try:
-        parsed = urllib.parse.urlparse(url)
-        if parsed.scheme not in ("http", "https"):
-            raise HTTPException(status_code=400, detail="Invalid audio URL scheme")
-        if not parsed.netloc:
-            raise HTTPException(status_code=400, detail="Invalid audio host")
-    except Exception:
-        raise HTTPException(status_code=400, detail="Malformed audio URL")
-
-    try:
-        async with httpx.AsyncClient(timeout=10.0, follow_redirects=True) as client:
-            audio_resp = await client.get(url, headers={"User-Agent": USER_AGENT})
-            if audio_resp.status_code != 200:
-                raise HTTPException(status_code=audio_resp.status_code, detail="Audio upstream error")
-            media_type = audio_resp.headers.get("Content-Type", "audio/mpeg")
-            return Response(
-                content=audio_resp.content,
-                media_type=media_type,
-                headers={"Cache-Control": "public, max-age=604800"},
-            )
-    except Exception as e:
-        raise HTTPException(status_code=502, detail=f"Failed to fetch audio: {str(e)}")
+async def api_audio_proxy():
+    # Audio feature disabled
+    return Response(status_code=204)
 
 
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