Function writeCache

src/utils/modelCache.ts:26–36

(models: Record<string, string[]>)

}

function writeCache(models: Record<string, string[]>): void {
  try {
    const cache: ModelCache = {
      timestamp: Date.now(),
      models
    };
    writeFileSync(MODEL_CACHE_PATH, JSON.stringify(cache, null, 2), 'utf8');
  } catch {
    // Silently fail if we can't write cache
  }
}

function isCacheValid(cache: ModelCache | null): boolean {
  if (!cache) return false;