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When Your AI Agent Passes 2,283 Tests — And Still Fails in Production

8.3 relevance
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9
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actionability
9
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Real-world AI agent failure with cryptographic insight is highly technical and actionable.

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When Your AI Agent Passes 2,283 Tests — And Still Fails in Production
Summary

A production AI agent verification system passed 2,283 tests yet failed because a stray newline pushed an assert after a return statement, making the checker structurally incapable of failing. Cryptographic signatures verified the check ran and wasn't tampered with, but couldn't prove the result was correct. The fix requires every guard to declare a negative control that must exit non-zero, establishing dual-arm verification where a failing test proves the instrumentation has discriminative power.

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dengyier

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