QRVizit — a card already given away catches up when the record changes
Our own product, still under construction: not a client handover. The arrangement is this. The address a printed code points at is fixed once, and the page that address opens is edited from the panel. When a title or a phone number changes, no print order goes out — the record is updated, and cards handed over months earlier start showing the correct detail. That is the part a reprint cannot do. The panel and the visitor page sit in one Laravel application with Inertia feeding React, Redis absorbs the scan load, and the records stay in MySQL. What travels is where a change gets written.
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