Add comprehensive networking analytics to support peer selection based
on performance and trust metrics for KD-Tree based NAT routing:
- Add kdtree_analytics.go with TreeAnalytics, PeerAnalytics,
DistributionStats, NATRoutingMetrics, TrustMetrics, and
QualityWeights structures
- Track query/insert/delete operations with timing statistics
- Track per-peer selection frequency and average distances
- Add PeerQualityScore() for composite peer ranking
- Add ComputeTrustScore() for reputation-based selection
- Add distribution statistics (min, max, mean, median, percentiles)
- Add feature normalization helpers for multi-dimensional peer data
WASM/TypeScript integration:
- Expose all analytics via WASM bindings
- Update TypeScript definitions with full type coverage
- Update loader.js with new API methods
- Update TypeScript demo to showcase analytics features
Includes comprehensive test coverage for all analytics functionality.
