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Your coding agent passed every test. It may still have made the next change harder.

This story is from 2026-09-22. It is preserved in the archive; the latest stories are on the live feed.

Your coding agent passed every test. It may still have made the next change harder. I kept seeing the same failure mode while using frontier coding agents heavily. Individual tasks succeeded. Tests passed. Each iteration looked reasonable. But after enough iterations, the codebase became progressiv…

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  1. 2026-09-22 00:25 · DEV Community — AI
    Your coding agent passed every test. It may still have made the next change harder.

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