export interface ExecutionLog {
    timestamp: string;
    chat_id: string;
    user_input: string;
    process_source: 'reuse' | 'custom' | 'skill';
    process_key: string;
    process_json: Record<string, unknown>;
    context_result: Record<string, unknown>;
    success: boolean;
    outcome_summary: string;
    iterations: number;
}
/**
 * Write a single execution log as a JSON file to {vault}/.phaibel/logs/.
 */
export declare function writeExecutionLog(log: ExecutionLog): Promise<void>;
/**
 * Read recent execution logs from the vault, filtered by age.
 */
export declare function readRecentExecutionLogs(maxAgeDays?: number): Promise<ExecutionLog[]>;
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