feat: 员工特殊状态台账（三期/工伤/医疗期）完整实现

frontend/src/components/layout/SidebarNav.tsx

@@ -13,7 +13,7 @@ import {
   Bot, BookMarked,
   Bell, ScrollText, Settings,
   ChevronDown, ChevronRight,
-  Building2, CalendarDays, ClipboardList,
+  Building2, CalendarDays, ClipboardList, Heart,
 } from 'lucide-react'
 import Logo from '../ui/Logo'
 
@@ -43,6 +43,7 @@ const navGroups: NavGroup[] = [
       { path: '/work-process', label: '用工办理', icon: ClipboardList },
       { path: '/attendance', label: '考勤确认', icon: CalendarCheck },
       { path: '/termination', label: '解聘补偿', icon: UserX },
+      { path: '/special-status', label: '特殊状态', icon: Heart },
     ],
   },
   {