Polymarket pre-event flow scan: large positions, wallet-newness, coordinated timing.

Suspicious-timing risk scan for Polymarket markets. Multi-signal scan: large pre-event positions, ratio of wallets new to this market, coordinated timing clusters, one-sided positioning, sensitive-keyword categories (military, regime change, intel, monetary policy). Returns 0-100 score, severity, triggered signals with evidence, top 5 positioners with new-wallet flags. Calibrated against publicly reported cases. Statistical signal only — not legal determination.