update

README.md

@@ -7,6 +7,7 @@ A fully automated news aggregation and newsletter system that crawls Munich news
 - **🤖 AI-Powered Clustering** - Automatically detects duplicate stories from different sources
 - **📰 Neutral Summaries** - Combines multiple perspectives into balanced coverage
 - **🎯 Smart Prioritization** - Shows most important stories first (multi-source coverage)
+- **🎨 Personalized Newsletters** - AI-powered content recommendations based on user interests
 - **📊 Engagement Tracking** - Open rates, click tracking, and analytics
 - **⚡ GPU Acceleration** - 5-10x faster AI processing with GPU support
 - **🔒 GDPR Compliant** - Privacy-first with data retention controls
@@ -365,6 +366,8 @@ curl -X POST http://localhost:5001/api/tracking/subscriber/user@example.com/opt-
 
 ### Core Features
 - **[docs/AI_NEWS_AGGREGATION.md](docs/AI_NEWS_AGGREGATION.md)** - AI-powered clustering & neutral summaries
+- **[docs/PERSONALIZATION.md](docs/PERSONALIZATION.md)** - Personalized newsletter system
+- **[docs/PERSONALIZATION_COMPLETE.md](docs/PERSONALIZATION_COMPLETE.md)** - Personalization implementation guide
 - **[docs/FEATURES.md](docs/FEATURES.md)** - Complete feature list
 - **[docs/API.md](docs/API.md)** - API endpoints reference
 
@@ -399,6 +402,9 @@ docker-compose exec sender python tests/sender/test_tracking_integration.py
 
 # Run backend tests
 docker-compose exec backend python tests/backend/test_tracking.py
+
+# Test personalization system (all 4 phases)
+docker exec munich-news-local-backend python test_personalization_system.py
 ```
 
 ## 🚀 Production Deployment