Undo time limit

src/app.py

@@ -588,8 +588,7 @@ class ClaimsAssistantApp:
                 fn=process_audio_stream,
                 inputs=[audio_input, api_key],
                 outputs=[transcription_display],
-                time_limit=None,
-                stream_every=0.5,  # Update every 500ms
+                stream_every=0.5,
                 show_progress="hidden",
             )