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What's the difference?

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All stages · Demo 109

NPS rail

Choice NPS vs CSAT. The integer is regex. Promoter is `n >= 9` in JavaScript, never “sounds happy.”

ChoiceNPS bucket in code

Eleven cells. Detractors are pink; the live cell is outlined.

replaykind —n —

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.