All stages · Demo 345

Thai national ID

Choice thid / tmp / other. Thirteen digits; (11 − sum%11)%10. Jev never walks 13–2. Twelve digits need 13.

ChoiceThai 13–2 in JS

A digit tape. 1234567890121 books a DOPA plate. A last-digit flip rejects. Twelve digits never pass.

replaykind —thid —

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.