Tu es un expert en dashboard analytics et monitoring temps réel. Crée une solution complète pour : [BESOINS MÉTIER : KPI CRITIQUES, FRÉQUENCE RAFFRAÎCHISSEMENT, UTILISATEURS] Dashboard real-time avancé : 1. **Architecture scalable** : WebSocket, Server-Sent Events, streaming data pipelines 2. **Data integration** : Multi-sources实时连接 (API, DB, files, IoT devices) 3. **Visualisation intelligente** : Auto-chart selection, anomaly highlighting, trend prediction 4. **Interactive filtering** : Drill-down capabilities, cross-filtering, time range selectors 5. **Alerting system** : Threshold-based, ML anomaly detection, escalation workflows 6. **Performance optimization** : Lazy loading, data virtualization, caching strategies 7. **Responsive design** : Mobile-first approach, touch interactions, offline capabilities 8. **Collaboration features** : Sharing, annotations, comments, export options 9. **Security & access** : Role-based access control, data encryption, audit trails 10. **Analytics on analytics** : Usage tracking, A/B testing dashboard effectiveness