fix: use hf-cloudflare turn server

main.py

@@ -104,11 +104,11 @@ async def transcribe(audio: tuple[int, np.ndarray]):
     )
     yield AdditionalOutputs(outputs["text"].strip())
 
-#get_credentials = get_credential_function(TURN_SERVER_PROVIDER, is_async=True) if APP_MODE == "deployed" else None
-#server_rtc_configuration = get_rtc_credentials(provider=TURN_SERVER_PROVIDER, ttl=360_000) if APP_MODE == "deployed" else None
 async def get_credentials():
     return await get_cloudflare_turn_credentials_async(hf_token=os.getenv("HF_TOKEN"))
 
+server_credentials = get_cloudflare_turn_credentials(ttl=360_000) if APP_MODE == "deployed" else None
+
 logger.info("Initializing FastRTC stream")
 stream = Stream(
     handler=ReplyOnPause(
@@ -147,8 +147,7 @@ stream = Stream(
     ],
     additional_outputs_handler=lambda current, new: current + " " + new,
     rtc_configuration=get_credentials,
-    #server_rtc_configuration=server_rtc_configuration,
-    server_rtc_configuration=get_cloudflare_turn_credentials(ttl=360_000),
+    server_rtc_configuration=server_credentials,
     concurrency_limit=6
 )
 
@@ -163,16 +162,8 @@ async def index():
     elif UI_TYPE == "screen":
         html_content = open("static/index-screen.html").read()
     
-    # Return the actual credentials for client-side, not the function
-    rtc_config = None
-    if APP_MODE == "deployed":
-        #if asyncio.iscoroutinefunction(get_credentials):
-        #    rtc_config = await get_credentials()
-        #else:
-        #    rtc_config = get_rtc_credentials(provider=TURN_SERVER_PROVIDER)
-        rtc_config = get_cloudflare_turn_credentials(ttl=360_000)
-            
-    return HTMLResponse(content=html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)))
+    # Use the same server credentials for the client
+    return HTMLResponse(content=html_content.replace("__RTC_CONFIGURATION__", json.dumps(server_credentials)))
 
 @app.get("/transcript")
 def _(webrtc_id: str):