Revert portg

app.py

@@ -914,8 +914,8 @@ def create_app():
         stream = Stream(
             handler=handler,
             rtc_configuration=rtc_config,
-            audio_sample_rate=SAMPLE_RATE,
-            audio_channels=CHANNELS
+            modality="audio",
+            mode="send-receive"
         )
         
         # Add FastRTC endpoints