Tasks stuck in triage with status "specifying" had no recovery path when the
agent session crashed mid-specification (before producing an approved spec).
The stuck task detector only monitors tracked sessions, and
recoverApprovedTriageTasks only handles tasks with an approved spec — leaving
unapproved specifying tasks stranded indefinitely.
Add recoverOrphanedSpecifyingTasks to clear status back to null so the next
triage poll picks them up for a fresh specification attempt.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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