NEXUS implements a Work IQ–style persistent memory system. Every decision is stored as a semantic memory entry with threat context, outcome delta, and behavioral pattern tags. This history is injected into every Claude API prompt as structured context — exactly how Microsoft Work IQ builds grounded, personalized responses from your meeting history, emails, and documents. The result: AI analysis that evolves with you across sessions.

Unlike static simulators, NEXUS uses a weighted cross-vector impact matrix. When you choose a climate response, it automatically recalculates probabilities across economic, pandemic, and cyber vectors — because in reality, planetary boundaries are interconnected. A geoengineering decision spikes resource conflict probability. A nuclear de-escalation reduces economic stress. Every choice ripples.