Statistics Dashboard (Client)

[buddha314]

Summary

Create statistics dashboard showing system metrics and document analytics in the client.

Priority: P2 (Medium)
Estimated Time: 6-8 hours
Labels: client, stats, dashboard, P2, phase-3

Key Tasks:

• Create lib/api/stats.ts API methods
• Create lib/hooks/useStats.ts
• Build StatsPanel component
• Build charts (documents by year, source trends)
• Add real-time updates via WebSocket

Dependencies:

• Issue Client API Infrastructure Setup #36: Client API Infrastructure