/**
 * archive_learning Tool
 *
 * Archives a learning (scar/win/pattern) by setting is_active=false
 * and recording archived_at timestamp. Archived learnings are excluded
 * from recall and search results but preserved for audit trail.
 *
 * Also triggers a local cache flush so the archived scar is immediately
 * removed from in-memory search results.
 */
export interface ArchiveLearningParams {
    /** UUID or short ID prefix of the learning to archive */
    id: string;
    /** Optional reason for archiving */
    reason?: string;
}
export interface ArchiveLearningResult {
    success: boolean;
    id: string;
    archived_at?: string;
    reason?: string;
    cache_flushed: boolean;
    display?: string;
    error?: string;
    performance_ms: number;
}
export declare function archiveLearning(params: ArchiveLearningParams): Promise<ArchiveLearningResult>;
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