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The Agent That Rounded Each Line Before the Sum: A Take-Home Packet

This story is from 2026-09-19. It is preserved in the archive; the latest stories are on the live feed.

A green pytest run is a weak hiring signal when the task is a multi-tenant credit ledger. Coding agents often round each line into a binary float, add those values, and treat the suite as proof. This take-home packet scores that pattern as a failure, even when the public tests exit with status zero…

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  1. 2026-09-19 09:51 · DEV Community — AI
    The Agent That Rounded Each Line Before the Sum: A Take-Home Packet

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