// workflow step: publish — flip the post to published. This docs::update fires
// the existing posts_on_publish trigger → queue → reader notification emails,
// so the workflow chains into the rest of the CMS event graph.
let b = ctx.request.body;
let posts = docs::collection("posts");
let post = posts.get(b.post_id);
let d = post.data;
if d.status != "published" {
    d.status = "published";
    if d.publish_at == () { d.publish_at = time::now(); }
    posts.update(b.post_id, d);
}
#{ published: true, slug: d.slug }