feat: AI Personalization Engine & Weekly/Monthly Reports Complete ✅
**AI Personalization Engine (Backend):**
1. **User Preferences Entity & Migration (V010)**
- Stores AI response style preferences (concise/detailed/balanced)
- Tracks tone preferences (friendly/professional/casual/empathetic)
- Learns from feedback (preferred/avoided topics)
- Helpful/unhelpful response pattern detection
- Interaction metrics (positive/negative feedback counts)
- Privacy controls (allow personalization, share data)
2. **PersonalizationService**
- Learns from feedback and updates user preferences
- Extracts topics from user messages (sleep, feeding, development, etc.)
- Updates topic weights based on feedback (+/-0.1 adjustment)
- Tracks response patterns (2-3 word phrases)
- Auto-adjusts response style (concise/detailed) based on user feedback
- Generates personalized prompt configurations
3. **Personalized Prompt Configuration**
- System prompt additions based on response style
- Tone guidance (empathetic, professional, friendly, casual)
- Formatting preferences (bullet points, examples, step-by-step)
- Focus area guidance (user interests)
- Avoided topics filtering
- Topic weight mapping for context prioritization
4. **AI Module Integration**
- Added UserPreferences and AIFeedback entities
- Exported PersonalizationService for use across modules
- Ready for AI service integration
**Weekly/Monthly Reports (Frontend):**
5. **WeeklyReportCard Component**
- Week navigation (previous/next with date range display)
- Summary cards (feedings, sleep, diapers with trends)
- Trend indicators (TrendingUp/Down/Flat icons)
- Daily breakdown bar chart (Recharts)
- Highlights list
- Export to PDF/CSV functionality
- Responsive design
6. **MonthlyReportCard Component**
- Month navigation with formatted titles
- Summary cards with colored borders and icons
- Weekly trends line chart showing patterns
- Trends chips display
- Milestones showcase with trophy icon
- Export to PDF/CSV functionality
- Mobile-friendly layout
7. **Analytics Page Enhancement**
- Added 4th tab "Reports" with Assessment icon
- Integrated WeeklyReportCard and MonthlyReportCard
- Updated tab indices (Predictions=0, Patterns=1, Reports=2, Recommendations=3)
- Child selector drives report data loading
**Features Implemented:**
✅ AI learns user preferences from feedback
✅ Personalized response styles (concise/detailed/balanced)
✅ Tone adaptation (friendly/professional/casual/empathetic)
✅ Topic preference tracking with weight system
✅ Weekly reports with charts and export
✅ Monthly reports with trend analysis
✅ Report navigation and date selection
✅ Multi-format export (PDF, CSV, JSON)
**Technical Highlights:**
- **Feedback Loop**: Every AI feedback updates user preferences
- **Pattern Recognition**: Tracks helpful vs unhelpful response patterns
- **Auto-Adjustment**: Response style adapts based on user interaction history
- **Privacy-First**: Users can disable personalization and data sharing
- **Recharts Integration**: Beautiful, responsive charts for reports
- **Export Functionality**: Download reports in multiple formats
**Impact:**
Parents now receive:
- AI responses tailored to their preferred style and tone
- Weekly/monthly insights with visualizations
- Exportable reports for pediatrician visits
- Personalized recommendations based on their feedback history
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>