#78 UI: Users Management Page

Create Users listing and management page. Component: api/ui/templates/components/admin_users/ Files: - admin_users.html - admin_users.css - admin_users.js URL: #/admin/users Features: - Paginated user list table - Columns: Avatar/Initials, Name, Email, Role, Status, Last Login, Actions - Search by name or email - Filter by role - Filter by status (active, suspended, pending) - Sort by name, email, last login, created - Row actions: View, Edit, Suspend, Delete - Bulk actions: Suspend selected, Delete selected - Create User button (opens modal) - Export users list (CSV) - Refresh button - User count display Table Features: - Sticky header - Alternating row colors - Hover highlight - Status badges (green=active, yellow=pending, red=suspended) - Role badges with colors - Relative time for dates (e.g., '2 hours ago') With ultra attention to details and correctness. Before closing: write comment summarizing implementation with screenshot.