# Scanner Queue Task Board (Sprint 9)

| ID | Status | Owner(s) | Depends on | Description | Exit Criteria |
|----|--------|----------|------------|-------------|---------------|
| SCANNER-QUEUE-09-401 | DONE (2025-10-19) | Scanner Queue Guild | — | Implement queue abstraction + Redis Streams adapter with ack/lease semantics, idempotency tokens, and deterministic job IDs. | Interfaces finalized; Redis adapter passes enqueue/dequeue/ack/claim lease tests; structured logs exercised. |
| SCANNER-QUEUE-09-402 | DONE (2025-10-19) | Scanner Queue Guild | SCANNER-QUEUE-09-401 | Add pluggable backend support (Redis, NATS) with configuration binding, health probes, failover documentation. | NATS adapter + DI bindings delivered; health checks documented; configuration tests green. |
| SCANNER-QUEUE-09-403 | DONE (2025-10-19) | Scanner Queue Guild | SCANNER-QUEUE-09-401 | Implement retry and dead-letter flow with structured metrics/logs for offline deployments. | Retry policy configurable; dead-letter queue persisted; metrics counters validated in integration tests. |
