Module dedup 

Structs

DedupCache

Haematite-backed idempotency-key cache for the lightweight dedup contract.

DedupEntry

Persisted dedup cache entry for one producer idempotency key.

DedupSweepReport

Summary produced by a dedup TTL sweep.

DedupSweeper

Configurable TTL sweeper for haematite-backed dedup entries.

Enums

DedupDecision

Result of checking or claiming an idempotency key.

Functions

key_hash

Hashes a producer idempotency key into a deterministic stream-key suffix.