Some sources hotlink-protect their images (e.g. Guardian's i.guim.co.uk → 401),
so a perfectly-enriched lead could still render an imageless hero. The browser is
the only true judge of loadability, so on a hero image error, promote the next
brief item that has an image into the hero slot; the failed lead becomes a text
tile. Resets to the lead on each fresh brief.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
thejayman77
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