Create a centralized icon file and use it

app/dashboard/layout.tsx

@@ -8,23 +8,25 @@ import Link from "next/link"
 import { Button } from "@/components/ui/button"
 import { Badge } from "@/components/ui/badge"
 import {
-  LayoutDashboard,
+  Shield,
   FileText,
   Folder,
-  Search,
   Users,
   Settings,
-  Shield,
+  Search,
-  MessageSquare,
+  MessageCircle,
   Bell,
+  User,
   LogOut,
   Menu,
   X,
-  TestTube,
+  ChevronDown,
   ChevronRight,
   Home,
   Key,
-} from "lucide-react"
+  LayoutDashboard,
+  TestTube,
+} from "@/lib/icons"
 import UserStore from "@/lib/4nk/UserStore"
 import { iframeUrl } from "../page"
 import EventBus from "@/lib/4nk/EventBus"

app/dashboard/page.tsx

@@ -28,7 +28,7 @@ import {
   FolderPlus,
   XCircle,
   Info,
-} from "lucide-react"
+} from "@/lib/icons"
 import MessageBus from "@/lib/4nk/MessageBus"
 import Link from "next/link"
 import Chat from "@/components/4nk/Chat"

app/dashboard/settings/page.tsx

@@ -11,30 +11,35 @@ import { Textarea } from "@/components/ui/textarea"
 import { Switch } from "@/components/ui/switch"
 import {
   User,
-  Shield,
+  Mail,
-  Bell,
+  Phone,
-  Palette,
+  MapPin,
+  Calendar,
   Globe,
-  Database,
+  Save,
+  Edit,
+  Trash2,
+  Eye,
+  EyeOff,
+  Shield,
   Key,
+  Bell,
+  Settings as SettingsIcon,
   Download,
   Upload,
-  Trash2,
-  Save,
   RefreshCw,
   AlertTriangle,
   CheckCircle,
-  Eye,
+  XCircle,
-  EyeOff,
+  Info,
-  Copy,
-  ExternalLink,
-  HardDrive,
-  Activity,
   Lock,
+  Unlock,
+  UserCheck,
+  Users,
   Smartphone,
   Plus,
   X,
-} from "lucide-react"
+} from "@/lib/icons"
 
 export default function SettingsPage() {
   const [activeTab, setActiveTab] = useState("profile")

lib/icons.ts

@@ -0,0 +1,105 @@
+// Centralized icon exports from lucide-react
+// This file helps optimize imports and provides a single source of truth for icons
+
+// Layout & Navigation Icons
+export {
+  Shield,
+  ArrowLeft,
+  ArrowRight,
+  Home,
+  Menu,
+  X,
+  ChevronRight,
+  ChevronDown,
+  ChevronUp,
+  MoreHorizontal,
+  LayoutDashboard
+} from "lucide-react"
+
+// User & Authentication Icons  
+export {
+  Users,
+  User,
+  UserCheck,
+  UserPlus,
+  Key,
+  Lock,
+  Unlock,
+  LogOut
+} from "lucide-react"
+
+// Document & File Icons
+export {
+  FileText,
+  File,
+  Files,
+  Folder,
+  FolderOpen,
+  FolderPlus,
+  Download,
+  Upload,
+  Share2,
+  Edit,
+  Copy,
+  Archive,
+  FileCheck
+} from "lucide-react"
+
+// Status & Feedback Icons
+export {
+  CheckCircle,
+  XCircle,
+  AlertCircle,
+  AlertTriangle,
+  Info,
+  Clock,
+  Activity,
+  TrendingUp,
+  Zap,
+  ShieldCheck
+} from "lucide-react"
+
+// Action Icons
+export {
+  Plus,
+  Search,
+  Settings,
+  Trash2,
+  Eye,
+  EyeOff,
+  RefreshCw,
+  Save,
+  Send,
+  Filter,
+  SortAsc,
+  SortDesc
+} from "lucide-react"
+
+// Technology & Development Icons
+export {
+  Code,
+  Database,
+  HardDrive,
+  Globe,
+  Monitor,
+  Smartphone,
+  TestTube,
+  Calendar
+} from "lucide-react"
+
+// Formation & Learning Icons
+export {
+  BookOpen,
+  Award,
+  GraduationCap
+} from "lucide-react"
+
+// Communication Icons
+export {
+  Mail,
+  MessageCircle,
+  Phone,
+  Video,
+  Bell,
+  MapPin
+} from "lucide-react"