Added another field

src/app.py

@@ -43,6 +43,7 @@ async def on_message(message: IncomingMessage):
         k: float(v) for k, v in msg_json['all_predictions'].items()
     }
     fields['_classification_duration'] = float(msg_json['classification_duration'])
+    fields['_legacy_result'] = 1.0 if msg_json['class'] == 'sturnus' else 0.0
 
     point = {
         'time': now,