A 3D job asked for straight after a picture, on a cluster with one card,
failed at once with "cannot be placed": flux held the card, too freshly
started to evict. The cards coming back when an on-demand model goes idle
makes it a wait, so the request is told to retry and the job waits.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>