Replatform Radar: Drupal to Headless: The Node IDs That Break the Move

When you move a Drupal site to a headless CMS, the thing most likely to break silently is not your content. It is the invisible wiring between pieces of it. Drupal stores relationships as numeric IDs (node 4127, term 88, media 903), and almost every headless platform mints brand-new IDs the moment you import. So every taxonomy tag, every embedded image, every "related articles" block that pointed at an old number now points at nothing, or worse, at whatever content happened to inherit that number. The pages still render. The links inside them just quietly go nowhere. Here is the scene that keeps happening. The migration "succeeds." Every article is present, the word counts match, everyone high-fives. Then two weeks later someone notices the related-content sidebar is empty on 8,000 pages, half the article hero images resolve to a 404, and the tag pages that used to rank now list either…

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