RFID identification

Creality CFS: encode on the server, then write and verify in the browser (memory test or OF1 Web Serial / USB). OpenPrintTag is a separate NFC format — field mapping is ready; full encode is planned. QR and search stay equal options.

Browser write + verify

Connect reader only after you click a button (permission prompt). ACR122U / PC/SC remains optional helper — not WebUSB OF1.

Web Serial not available — memory PoC still works.