server: add support for HEAD route on audio mp3

server/reflector/views/_range_requests_response.py

@@ -1,7 +1,7 @@
 import os
 from typing import BinaryIO
 
-from fastapi import HTTPException, Request, status
+from fastapi import HTTPException, Request, Response, status
 from fastapi.responses import StreamingResponse
 
 
@@ -57,6 +57,9 @@ def range_requests_response(
         ),
     }
 
+    if request.method == "HEAD":
+        return Response(headers=headers)
+
     if content_disposition:
         headers["Content-Disposition"] = content_disposition
 

server/reflector/views/transcripts.py

@@ -210,6 +210,7 @@ async def transcript_delete(
 
 
 @router.get("/transcripts/{transcript_id}/audio/mp3")
+@router.head("/transcripts/{transcript_id}/audio/mp3")
 async def transcript_get_audio_mp3(
     request: Request,
     transcript_id: str,