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Prefer fixture JSON over “sample data” comments when prompting UI agents

“Use some sample data” in a prompt is an invitation to invent. The agent fabricates a user shape that almost matches production, hard-codes three pretty rows, and skips the nullables your API actually returns. Reviewers only notice when the real payload hits the page. I’ve stopped describing sample…

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  1. 2026-11-11 11:24 · DEV Community — AI
    Prefer fixture JSON over “sample data” comments when prompting UI agents

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