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What's the difference?

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All stages · Demo 87

Parse first

If it does not parse, mark invalid in code — no model call. Surviving objects get a Choice of payload kind.

ChoiceParse then classify

A blob on glass. Red means `SyntaxError`. Jev only names the shape of valid JSON.

replayparse —kind —

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.