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What's the difference?

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All stages · Demo 339

Hong Kong ID

Choice hkid / tmp / other. One or two letters, six digits, 0–9 or A. Jev never mods 11. Five digits need the check.

ChoiceHKID mod-11 in JS

A digit tape. A1234563 books an ImmD plate. A last-digit flip rejects. Five digits never pass.

replaykind —hkid —

STANDBY

All 4056 stages

Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.