Offline queue

Noncanonical record — derived locally until Kernel events are connected. Not ledger truth.

Serial FIFO replay, original idempotency keys reused. Backoff: 2s · 8s · 30s · 2m · 10m · 1h (6 attempts). High-security access, payments, ticket redemption, and rotating credentials can never be approved offline.

• Queue is empty.