// engine/audit-trail/index.ts — Barrel export for audit-trail engine module (SPEC-167 + SPEC-387)
export { appendEvent } from './logger.js';
export { queryAuditLog } from './query.js';
export { verifyChainIntegrity } from './verifier.js';
export { generateAttestation } from './attestation.js';
// SPEC-387: EU AI Act Article 12 — tool-invocation audit chain
export { hashEntry, verifyChain } from './hasher.js';
export { buildAuditEntry } from './formatter.js';
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