A STORY-mode MERGE_CONFLICT triggers AFTER all tasks are already DONE
(storyBecameDone is what produces the conflict event). The previous resume
logic put the SprintRun back to QUEUED, but there was no QUEUED job left for
a worker to claim — the run would hang forever.
Now: when both QUEUED and CLAIMED/RUNNING counts are zero, transition straight
to DONE (with finished_at set). The dev resolved the conflict manually and
the PR is theirs to merge. Existing behaviour preserved when active claims
or queued work remain.
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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