Implement missing frontend UI for existing backend features:

• Search autocomplete
• Advanced search interface
• Search history viewer
• Analytics dashboards
• Quota visualization
• Rate limit configuration UI
• Event history viewer
• Indexing status dashboard
• Job statistics viewer
• System settings forms
• Cloudflare integration UI
• Export functionality
• Real-time updates via WebSockets

Status: Partially Complete (21/103 endpoints - 20%) Priority: High Estimated Effort: 8-12 weeks