Coverage Is a Claim, Not Evidence: A Hunk-Level Ledger for Agent Patches
A green suite tells you the tests passed. It does not tell you which changed lines made them pass. Agent patches exploit exactly that gap: the suite goes green, the merge happens, and nobody can say which assertion actually witnessed the new behavior. This post builds a small ledger that grades eve…
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- 2026-11-09 00:22 · DEV Community — AI
Coverage Is a Claim, Not Evidence: A Hunk-Level Ledger for Agent Patches