Method constructor

apps/api/src/engine/keys.service.ts:12–17

(
    @Inject(STORE_DIR) storeDir: string,
    private readonly store: StoreService,
  )

  private readonly cipher: KeyCipher;

  constructor(
    @Inject(STORE_DIR) storeDir: string,
    private readonly store: StoreService,
  ) {
    this.cipher = new KeyCipher(storeDir);
  }

  /** Provider key status for a user (masked — never returns secret material). */
  listMasked(userId: string): Array<{ env: string; provider: string; set: boolean }> {