export interface ConfigCacheInterface {
    enabled: boolean;
    defaultTtl: number;
    skipPatterns: string[];
    /**
     * Namespace mixed into every LLM response-cache key, from CACHE_VERSION
     * (default "v1"). Bumping it invalidates every cached LLM response at once —
     * used when a prompt template or model mapping changes in a way that should
     * not serve stale hits. Unrelated to the HTTP cache above.
     */
    version: string;
}
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