# Agent heartbeat endpoint
node_id = params_kw.get('node_id', '')
version = params_kw.get('version', '')
if not node_id:
    return json.dumps({'status': 'error', 'message': 'node_id required'}, ensure_ascii=False)
result = await agent_heartbeat(request, params_kw)
return json.dumps(result, ensure_ascii=False)