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Remote recovery

Recovery covers batch resume, server job lease recovery, and S3 dataset staleness handling.

  • Batch — Resume and recovery (journal, locks, stale source).
  • Server jobs — Durable jobs (lease expiry, requeue, attempt limits).
  • Object storage — fingerprints recomputed before mutating work; mismatches fail closed.

HTTP POST /api/v1/batches/{run_id}/resume submits a durable batch resume job with the same application semantics as prqnt batch resume.