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What's the difference?

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All stages · Demo 266

DEA mill

Choice clinic / hospital / other. A DEA number is two letters plus seven digits; odds plus twice evens. Jev never adds them. Six digits after letters need 7.

ChoiceDEA checksum in JS

A digit tape. AB1234563 books a clinic. A last-digit flip rejects. A short registrant never passes.

replaykind —dea —

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.