Jev case: Work, hobbies, hangouts.

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Used Jev to decide daily activity in a simulated town, including shop hours, social visits, jogging and road traffic.

The original post

Work, hobbies, hangouts. Shopkeepers serve at the counter and lock up at night. Friends stop for a chat, but only if both feel like it. Joggers run on dry evenings. When it rains, people hurry or duck under a canopy. Jev even decides how busy the roads are.

Engagement when collected

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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