fix: Suppress HFP profile rejection DBusError traceback

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

main.py

@@ -250,7 +250,21 @@ async def fetch_mqtt():
             loop.create_task(process_mqtt(message))
 
 
+def suppress_hfp_rejection_error(loop, context):
+    exception = context.get('exception')
+    if isinstance(exception, DBusError) and 'HFP profile not supported' in str(exception):
+        # This is the expected error from AuthorizeService, so we can suppress the traceback.
+        logging.debug('Suppressed expected DBusError for HFP rejection.')
+        return
+    
+    # For all other exceptions, fall back to the default handler.
+    loop.default_exception_handler(context)
+
+
 async def main():
+    loop = asyncio.get_running_loop()
+    loop.set_exception_handler(suppress_hfp_rejection_error)
+
     global bus
     bus = await MessageBus(bus_type=BusType.SYSTEM).connect()