Refactor code structure for improved readability and maintainability

frontend/package.json

@@ -1,59 +1,33 @@
 {
   "name": "frontend",
+  "version": "0.1.0",
   "private": true,
-  "version": "0.0.0",
-  "type": "module",
   "scripts": {
-    "dev": "vite",
-    "build": "tsc -b && vite build",
-    "lint": "eslint .",
-    "preview": "vite preview"
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "eslint"
   },
   "dependencies": {
-    "@radix-ui/react-avatar": "^1.1.11",
-    "@radix-ui/react-checkbox": "^1.3.3",
-    "@radix-ui/react-collapsible": "^1.1.12",
-    "@radix-ui/react-dialog": "^1.1.15",
-    "@radix-ui/react-dropdown-menu": "^2.1.16",
-    "@radix-ui/react-label": "^2.1.8",
-    "@radix-ui/react-scroll-area": "^1.2.10",
-    "@radix-ui/react-select": "^2.2.6",
-    "@radix-ui/react-separator": "^1.1.8",
-    "@radix-ui/react-tabs": "^1.1.13",
-    "@radix-ui/react-toast": "^1.2.15",
-    "@radix-ui/react-tooltip": "^1.2.8",
-    "@tanstack/react-form": "^1.28.3",
-    "@tanstack/react-query": "^5.90.21",
-    "@tanstack/react-router": "^1.162.2",
-    "axios": "^1.13.5",
-    "date-fns": "^4.1.0",
-    "lucide-react": "^0.575.0",
-    "react": "^19.2.0",
-    "react-dom": "^19.2.0",
-    "zod": "^4.3.6"
-  },
-  "devDependencies": {
-    "@eslint/js": "^9.39.1",
-    "@radix-ui/react-slot": "^1.2.4",
-    "@tailwindcss/postcss": "^4.2.0",
-    "@tailwindcss/vite": "^4.2.0",
-    "@types/node": "^24.10.1",
-    "@types/react": "^19.2.7",
-    "@types/react-dom": "^19.2.3",
-    "@vitejs/plugin-react": "^5.1.1",
-    "autoprefixer": "^10.4.24",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
-    "eslint": "^9.39.1",
-    "eslint-plugin-react-hooks": "^7.0.1",
-    "eslint-plugin-react-refresh": "^0.4.24",
-    "globals": "^16.5.0",
-    "postcss": "^8.5.6",
-    "tailwind-merge": "^3.5.0",
-    "tailwindcss": "^4.2.0",
-    "tailwindcss-animate": "^1.0.7",
-    "typescript": "~5.9.3",
-    "typescript-eslint": "^8.48.0",
-    "vite": "^7.3.1"
+    "lucide-react": "^0.575.0",
+    "next": "16.1.6",
+    "radix-ui": "^1.4.3",
+    "react": "19.2.3",
+    "react-dom": "19.2.3",
+    "tailwind-merge": "^3.5.0"
+  },
+  "devDependencies": {
+    "@tailwindcss/postcss": "^4",
+    "@types/node": "^20",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "eslint": "^9",
+    "eslint-config-next": "16.1.6",
+    "shadcn": "^3.8.5",
+    "tailwindcss": "^4",
+    "tw-animate-css": "^1.4.0",
+    "typescript": "^5"
   }
 }