✅ Unified Cache System
- Created UnifiedCache with cost-aware eviction
- Integrated with both MetadataIndex and HNSW
- Request coalescing, fairness monitoring, access patterns
✅ Index Persistence
- Sorted indices for range queries saved/loaded
- Integrated with UnifiedCache (100x rebuild cost)
✅ TripleIntelligence Fixed
- Native Brain Pattern support
- Direct metadata filtering without string conversion
✅ Competitive Analysis
- Created comprehensive docs/COMPETITIVE-ANALYSIS.md
- Shows Brainy advantages vs all competitors
✅ All Infrastructure Complete
- TypeScript: 0 errors
- Memory: Optimized with unified cache
- Models: Cached locally
- Ready for comprehensive testing
