Jev case: Most stacks still ask a chat model “what should

Argued binary gates should use Jev's typed choice plus confidence shape (TRADE | NO-TRADE | FLAT) instead of asking a chat model what to do.
The original post
Most stacks still ask a chat model “what should we do?” for a binary gate. That’s the wrong tool. Jev’s bet (System One: typed choice + confidence) is the same shape we locked in prod: TRADE | NO-TRADE | FLAT — no paragraph, no button if there’s no edge. Chat writes. A semáforo
Engagement when collected
Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.
Where this case fits
Filed under coding & developer tools. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Other posts in the same family are on the coding & developer tools page.
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Last updated: 2026-09-22 · sources & corrections · every card links to its author's original post