4 bundles: filter+truncation, redactors (header/body/SQL-param), wire
into all emission paths + health metric, config+perf+safety-net.
Vocabulary translation locked: error-row cap (64 KB) on Status NOT IN
(Delivered, Submitted, Forwarded). Filter integration point in each
writer (FallbackAuditWriter, CentralAuditWriter, AuditLogIngestActor)
BEFORE storage call.
