designtopack/public/site/templates/project.json.php

<?php

$project = [
    "title" => $page->title()->value(),
    "url" => $page->url(),
    "modified" => $page->modified("Y-MM-d"),
    "status" => $page->status(),
    "logo" => $page->client()->isNotEmpty() && $page->client()->toPage()
        ? $page->client()->toPage()->logo()->toFile()->url()
        : null,
    "steps" => $page->getSteps(),
    "designToLight" => $page->isDTLEnabled() ? processDTLProposals($page) : null,
];

$pageData = array_merge($genericData, $project);

echo json_encode([
    "page" => $pageData,
    "user" => $userData,
]);