Unduh dari [oprex.id/extension](https://oprex.id/extension) (latest.json berisi versi & sha256). Pasang: chrome://extensions → Developer mode → Load unpacked. Pengaturan: API URL, kunci scope write, Project ID.
Extension melapor sebagai executor: "extension" dengan kapabilitas record, replay, screenshot (tanpa upload, eval, crossOrigin). Rekaman menghasilkan kandidat locator berlapis (testid → role+nama → label/placeholder → text → css); nilai type=password, autocomplete=cc-*, pola NIK/kartu disamarkan di browser menjadi {{secret_N}}. Sumber: kinexa-oprex/otp-extension.