feat: exam actions and data safety fixes

src/modules/layout/config/navigation.ts

@@ -2,7 +2,6 @@ import {
   BarChart,
   BookOpen,
   Calendar,
-  GraduationCap,
   LayoutDashboard,
   Settings,
   Users,
@@ -15,10 +14,11 @@ import {
   Library,
   PenTool
 } from "lucide-react"
+import type { LucideIcon } from "lucide-react"
 
 export type NavItem = {
   title: string
-  icon: any
+  icon: LucideIcon
   href: string
   items?: { title: string; href: string }[]
 }