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AI Conflict Detector Missed Clashing Instructions for Three Months Due to Parsing Bug

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A developer building an AI-powered auditing tool discovered that a text-parsing bug had silently prevented the system from detecting conflicts between agent instructions for three months. The flaw, introduced in the tool's first commit on June 1, 2026, caused adjacent unbulleted lines to be merged into a single item before comparison, meaning the pairwise conflict-detection step never received two separate instructions to compare. As a result, a direct contradiction between two deployment rules — one requiring human approval and another allowing automatic deployment — went undetected, with the tool falsely reporting zero conflicts. After the bug was fixed, the same input correctly flagged a high-severity authority collision between the two conflicting instructions. The developer noted the incident as a real-world example of a broader principle: a count of zero is meaningless without knowing how many items actually reached the counter.

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