export interface AuditEvent {
    timestamp: string;
    sessionId?: string;
    tool: string;
    action: Record<string, unknown>;
    outcome: 'success' | 'error';
    durationMs: number;
}
export declare function summarizeToolAction(tool: string, rawArgs: string): Record<string, unknown>;
export declare function appendAuditEvent(cwd: string, event: AuditEvent): Promise<void>;
export declare function listAuditEvents(cwd: string, limit?: number): Promise<AuditEvent[]>;
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