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What's the difference?

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All stages · Demo 211

UN/LOCODE

Choice port / airport / inland. A LOCODE is two ISO letters plus three alphanumerics. Jev never regexes the plate. Digits-only reject.

ChoiceUN/LOCODE format in JS

A customs flag. NLRTM books a port. USLAX lights an airport. 12345 never locodes.

replaykind —cc —

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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.