Closes the standing "no automated frontend tests" gap for the pure, testable logic:
- format.test.ts (12): the booth display formatters — formatMoney (minor units →
currency, malformed-code fallback), formatDuration (m / h+m / 0m / em-dash on
negative-invalid), formatTime, and formatRelativeDateTime (today/yesterday words +
catalog month names, no Intl dependence).
- use-scanner.test.ts (5): the 2026-06-21 focus-independent hardware scan — a fast
burst+Enter on <body> fires onScan; slow human typing (gap > 50ms) does not; paused
(modal open) no-ops; keystrokes into an editable field are ignored; a lone Enter /
too-short burst is ignored.
Wires Vitest (jsdom + @testing-library/react) into @parking/web. web 17/17.
Full workspace green: shared 87, devices 18, server 75, web 17 (= 197) + build/lint
14/14. (apps/vision still has its 2 pre-existing failures — next.)
Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
