CLI deadlock detector for multi-agent LLMs fails due to naive Jaccard heuristic

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A team developed a CLI tool to detect semantic deadlocks in multi-agent LLM workflows. The tool aimed to analyze agent execution traces and trigger interventions within 10 seconds. However, it timed out during stress tests with over 20 active agents. The failure was attributed to an O(N²) calculation bottleneck in its pairwise Jaccard similarity analysis. The tool was designed as a stateless utility for integration into CI/CD pipelines and monitoring scripts.

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