✨ Phase 4 Features Documented:
- Crisis Detection System (score < 0.2 auto-detection)
- University Resources Integration (9 UW-Madison resources)
- Enhanced Coaching Content (professional messaging)
- Emergency Response System (fast-mode for crisis)

📚 Documentation Updates:
- apps/server/README.md: Crisis detection API guide
- docs/postman/API-Testing-Guide.md: Phase 4 testing scenarios
- docs/postman/Frontend-Integration-Examples.md: React Native integration
- Enhanced OptimizedCoachingService with university resources

🚨 Crisis Features:
- Automatic emergency resource prioritization
- Professional crisis messaging
- React Native crisis UI components
- Comprehensive testing validation

🏥 University Resources:
- 3 Counseling services (UHS Mental Health, Individual, Training Clinic)
- 3 Meditation resources (UW Classes, Healthy Minds, Health Program)
- 3 Emergency resources (Get Help Now, Emergency Procedures, Police)

📱 Frontend Integration:
- Crisis detection components and styling
- Resource categorization and prioritization
- Enhanced breathing exercise animations
- Professional messaging with sentiment-based theming

🧪 Testing Coverage:
- Crisis detection validation scripts
- Resource availability checking
- Professional messaging tone validation
- Emergency response time testing

All content verified in English-only as per project requirements.