Building Isolyne (Part 2): How We Detect Silent Architectural Drift with Zero AI Hallucinations

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Why asking an LLM to "find team disagreements" is a fatal design flaw, and how we replaced probabilistic reasoning with deterministic set theory.
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Isolyne limits its LLM to extracting structured decisions, while TypeScript rules detect disagreements and missing ownership. The separation improves predictability, but still depends on reliable normalization upstream.