Record the Call Order, Not the Return Value: A Ledger Gate for Messy Refactors
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Return-value snapshots hide the contract that breaks. Messy repos usually depend on ordered side effects , not on the shape of a result. So before you extract a module, pin the call ledger. Then make the smallest change that keeps the ledger byte-identical. This is the gate I use when a function to…
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- 2026-10-19 16:13 · DEV Community — AI
Record the Call Order, Not the Return Value: A Ledger Gate for Messy Refactors