Add real-time analytics dashboard

Create real-time analytics view for content performance.

Metrics to Display:

• Active users (real-time)
• Popular content (trending)
• Geographic distribution (map view)
• Device breakdown
• Performance metrics (load times, errors)
• Revenue metrics

Visualizations:

• Line charts for time-series data
• Bar charts for comparisons
• World map for geographic data
• KPI cards for key metrics
• Real-time updating (WebSockets)

Tech Stack:

• React + Chart.js/D3.js
• WebSocket connection for real-time data
• Time range selector (1h, 24h, 7d, 30d)
• Export functionality (PNG, CSV)

Data Source:

• Streaming service analytics API
• User service metrics
• Orders service data