A deterministic thinking partner that challenges assumptions and applies 150+ mental models across 17 disciplines to sharpen decisions, solve problems, and think more clearly. Features include orientation detection that diagnoses 6 thinking states with targeted interventions, a structured 6-step workflow from diagnosis to synthesis, 7 complementary cognitive operation pairs, and explicit anti-patterns to avoid common reasoning failures. Works as a sparring session, not a lecture, asks one question at a time, names the model being applied, and challenges where it matters.