#85 UI: Sessions Management Page

Create Active Sessions management page. Component: api/ui/templates/components/admin_sessions/ Files: - admin_sessions.html - admin_sessions.css - admin_sessions.js URL: #/admin/sessions Features: - Session Statistics Cards: - Total active sessions - Unique users online - Sessions by device type (pie chart) - Geographic distribution (if IP geolocation available) - Active Sessions Table: - Columns: User, IP Address, Location (geo), Device/Browser, Started, Last Activity, Actions - Current session highlighted - Filter by user - Search by IP - Terminate button per session - Bulk terminate selected - User Sessions View: - Group by user - Show session count per user - Terminate all for user button - Security Features: - Suspicious session highlighting (multiple IPs, unusual locations) - Alert for concurrent sessions from different countries Device Detection: - Parse user agent for OS, browser, device type - Device icons With ultra attention to details and correctness. Before closing: write comment summarizing implementation with screenshot.