v4.0.0: Geopolitical Risk & News Sentiment

Major new features: • Safe-haven indicators (GLD, TLT, UUP) with risk-off detection • Breaking news check (Google News RSS) for crisis keywords • Geopolitical sector risk mapping (Taiwan, China, Russia, Middle East, banking) • Automatic confidence penalties for affected tickers/sectors (15-30%) • Up to 5 caveats in output (was 3)

Risk detection: • Flight to safety detection across gold, treasuries, USD • Crisis keyword scanning (war, recession, sanctions, disasters) • Sector-specific exposure warnings • 1-hour cache for breaking news and shared indicators