Zero running workers behind "no free workers available" now raises
ClusterUnavailable instead of waiting out the capacity deadline; CapacityDeadline
carries its message; cleanup failures no longer mask the original exception; the
pilot driver aborts the run on infrastructure failure before any model call.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Reasons carry type plus a sanitised message tail; command failures carry phase,
exit code and bounded stderr. Scratch walk tolerates directories pip removes
mid-walk; writable /workspace/home and runtime paths. Capacity retries delete a
possibly created task before resubmitting. Docker smoke checks the image first.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
20 development pairs, one per repository, 4 per language, 5 per family; identities
in a gitignored manifest, counts and digest committed. Executor smoke drives one
executor task end to end without a model and fails loudly on an unread clone.
kube-ax operator constraints as steering.
Co-Authored-By: Claude Opus 5.5 <[email protected]>