/**
 * Audit logger — records all memory operations for forensic analysis
 */
import type { AuditEntry } from '../types.js';
/**
 * Log an audit entry to the defence_audit table.
 * Fire-and-forget safe: errors are caught and logged, never thrown.
 */
export declare function logAudit(entry: Omit<AuditEntry, 'id'>): number;
/**
 * Create a SHA-256 hash of content for integrity verification.
 */
export declare function createContentHash(content: string): string;
