implement socket heartbeat

routes/conversations.py

@@ -258,6 +258,12 @@ def on_leave(data):
     conversation_id = data.get('conversation_id')
     leave_room(f'conversation_{conversation_id}')
 
+@socketio.on('heartbeat')
+@login_required
+def on_heartbeat(data):
+    # Just acknowledge the heartbeat to keep the connection alive
+    return {'status': 'ok'}
+
 @conversations_bp.route('/<int:conversation_id>/send_message', methods=['POST'])
 @login_required
 @require_password_change