analytics/
├── user_analytics/
│   ├── progress_tracking.py
│   ├── learning_patterns.py
│   └── performance_metrics.py
├── content_analytics/
│   ├── engagement_metrics.py
│   ├── difficulty_analysis.py
│   └── effectiveness_metrics.py
└── reports/
    ├── progress_reports.py
    ├── performance_reports.py
    └── recommendation_reports.py