Outbound webhook deliveries already retry with backoff, dead-letter
after maxAttempts, and notify super admins. This adds operator-level
replay: a per-row button on the deliveries log spawns a fresh pending
delivery + queues a new BullMQ job. The original failed row stays
intact so the response body remains for audit; the replay payload
carries retried_from/retried_at markers so receivers can deduplicate.
Inbound idempotency was already handled via the documentEvents
signatureHash unique index.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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