- sitemap-news.xml lists the articles (content kind article) first
published in the last two days, newest first, at most 1000, with the
publication name (news_publication, else app.name), the language of the
locale, the publication date and the title
- news_sources narrows it to type:<key> and category:<key>:<id> values;
the Images and News tab lists the values to use in a partial
- the index lists the file while news_enabled is on; otherwise it is 404
- migration 202610280004: image_file_no, kind, published_at and parent_refs
on the slot table; the image, News, IndexNow and HTML sitemap settings
- the rebuild stores each page's featured and body images (absolute on the
site, deduplicated, at most 1000) and numbers the rows with images into
sitemap-images-<n>.xml with the per-type files' stable rules
- the index lists the image files while images_enabled is on; the files
route serves them with image:image and image:loc only
