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What's the difference?

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All stages · Demo 425

Romanian CUI

Choice ro / vat / other. Two to ten digits; body padded to nine; (sum×10)%11, 10→0. Jev never mods 11. One digit needs shape. Distinct from CNP.

ChoiceCUI 7-5-3 in JS

A digit tape. 123456789 books an ANAF plate. A last-digit flip rejects. One digit never passes.

replaykind —cui —

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.