export interface AuditEvent {
    eventId: string;
    traceId: string;
    category: 'access' | 'execution' | 'risk' | 'model';
    actorId: string;
    action: string;
    resource: string;
    result: 'allow' | 'deny' | 'error';
    message?: string;
    createdAt: string;
}
