oficial/app/src/Controller/API/withJson.php

<?php
namespace Incoviba\Controller\API;

use Psr\Http\Message\ResponseInterface;

trait withJson
{
    public function withJson(ResponseInterface $response, array|object $data = []): ResponseInterface
    {
        $response->getBody()->write(json_encode($data));
        return $response->withHeader('Content-Type', 'application/json');
    }
}