feat: update config files

ui/package.json

@@ -28,7 +28,7 @@
     "langchain": "^0.1.30",
     "lucide-react": "^0.363.0",
     "markdown-to-jsx": "^7.4.5",
-    "next": "^14.2.5",
+    "next": "14.1.4",
     "next-themes": "^0.3.0",
     "prism-react-renderer": "^2.3.1",
     "process": "^0.11.10",
@@ -47,7 +47,7 @@
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "autoprefixer": "^10.0.1",
-    "eslint": "^9.7.0",
+    "eslint": "^8",
     "eslint-config-next": "14.1.4",
     "postcss": "^8",
     "prettier": "^3.2.5",