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Stop Cursor from rewriting your whole file: a 10-line project rule that keeps diffs small

If you use Cursor's agent on a real codebase, you've probably seen it: you ask for a one-line fix and get back a diff that reformats imports, renames variables, and "improves" three functions you didn't touch. The fix that's worked best for me isn't a better prompt — it's a project rule that's alwa…

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  1. 2026-11-05 09:26 · DEV Community — AI
    Stop Cursor from rewriting your whole file: a 10-line project rule that keeps diffs small

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