Refactor code structure for improved readability and maintainability

web/experience/package.json

@@ -21,7 +21,7 @@
     "lodash": "^4.17.21",
     "lucide-react": "^0.395.0",
     "mermaid": "^11.14.0",
-    "next": "^14.2.35",
+    "next": "^15.3.9",
     "react": "^18",
     "react-dom": "^18",
     "react-markdown": "^10.1.0",
@@ -35,7 +35,7 @@
     "@types/react-dom": "^18",
     "autoprefixer": "^10.4.19",
     "eslint": "^8",
-    "eslint-config-next": "^16.2.4",
+    "eslint-config-next": "^15.3.9",
     "postcss": "^8",
     "prettier": "^3.2.0",
     "prettier-plugin-tailwindcss": "^0.5.0",