Function writeCache

src/utils/updateCheck.ts:91–103

(latest: string | null)

}

function writeCache(latest: string | null): void {
  try {
    const dir = getConfigDir();
    fs.mkdirSync(dir, { recursive: true });
    fs.writeFileSync(
      getCachePath(),
      JSON.stringify({ checkedAt: Date.now(), latest } satisfies CachedCheck),
      { mode: 0o600 },
    );
  } catch {
    // best-effort; a missing cache just means we'll hit the registry again next launch
  }
}

export interface UpdateInfo {
  current: string;