Notifio is a desktop app you buy once. There is no dashboard, no team, nothing to come back to the website for, and no reason for the website to know who you are. So it does not.

What a customer holds after paying is two strings: the email address they used at checkout, and an activation token that was emailed to it. That pair is the entire identity system. This is a census of what that choice costs and what it buys, measured rather than asserted.

The token

// server/src/lib/token.ts /** * Generates a human-readable activation token: NTFIO-XXXX-XXXX-XXXX * where X is an uppercase alphanumeric character (no ambiguous chars like O/0, I/1). */ const ALPHABET = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789" ;

function randomSegment ( length : number ) : string { const bytes = crypto . randomBytes ( length ) ; return Array . from ( bytes ) . map ( ( b ) => ALPHABET [ b % ALPHABET . length ] ) .…