export interface SkillStat {
    activations: number;
    successes: number;
    failures: number;
    lastRun: string | null;
}
export type SkillStats = Record<string, SkillStat>;
/**
 * Per-skill usage analytics (#625). Local-only and privacy-preserving by
 * construction: it records the skill *name* and three counters, never
 * prompts, arguments, or results. Set `analytics.enabled: false` in
 * `.agenthood/config.json` to opt out.
 */
export declare function statsPath(projectPath: string): string;
export declare function analyticsEnabled(projectPath: string): boolean;
export declare function readSkillStats(projectPath: string): SkillStats;
/** Records one activation attempt. A no-op when analytics are opted out. */
export declare function recordSkillActivation(projectPath: string, skill: string, success: boolean): void;
/** Successful activations as a share of attempts; null when never tried. */
export declare function triggerRate(stat: SkillStat): number | null;
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