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Hash Every Write Before You Extract a Helper

This story is from 2026-09-06. It is preserved in the archive; the latest stories are on the live feed.

Messy repos fail at the first cleanup commit. Untracked writes hide regressions that tests never saw. Hash those writes first. Then change one helper. A refactor is valid only when output hashes stay identical. Pretty file trees do not prove behavior. A ledger of paths, bytes, and return values doe…

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  1. 2026-09-06 07:54 · DEV Community — AI
    Hash Every Write Before You Extract a Helper

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