a64f8407b9
- Add /tickets/unanswered-counts API endpoint for staff/admin - Show red badge with unanswered count on sidebar nav (staff tickets, admin tickets) - Add summary cards (unanswered/answered/total) to staff tickets page - Highlight unanswered count in admin tickets stats cards - Staff can create tickets to OTHER departments only (not their own) - Frontend hides own department from ticket creation dropdown - Sidebar badges auto-refresh every 30 seconds