v1.3.0

## World Monitor v1.3.0

### New Features
- **Geographic Convergence Detection**: Identify clustered signals across multiple data sources
- **Cross-Module Intelligence Integration**: Correlate signals across all modules
- **Country Instability Index (CII)**: Composite scoring with geopolitical context
- **Strategic Risk Panel**: Real-time risk scoring with data freshness tracking
- **Infrastructure Cascade**: Ports and chokepoints impact analysis
- **USASpending.gov Integration**: Government spending data
- **EIA Oil Analytics**: Energy price tracking
- **Finnhub Integration**: Stock market quotes

### Map & UI
- Regional panels (spaceports, critical minerals)
- Hotspot escalation scoring system
- Intelligence findings badge (unified alerts/signals)
- Data freshness tracking for all sources
- Info tooltips (?) on all panels with methodology explanations

### Military Tracking
- ADS-B Exchange military aircraft database
- ICAO hex range detection for military aircraft
- Wingbits field mapping improvements
- Improved callsign detection, reduced false positives

### Performance
- RSS batching and throttled renders
- Web Worker for clustering and correlation
- Virtual scrolling with windowed rendering
- WebGL cluster renderer for map LOD

### Bug Fixes
- Fix CII scoring bias and startup spike
- Fix strategic risk score dilution (was always 0)
- Fix map base layer disappearing after extended use
- Fix protest data freshness with GDELT fallback

**Full Changelog**: https://github.com/koala73/worldmonitor/compare/v1.2.0...v1.3.0