Revert "♻️ Upgrade the version of next.js to 15.5.7"

This reverts commit 5dc121c.

Author: WMC001

frontend/package.json

@@ -61,7 +61,7 @@
     "katex": "^0.16.11",
     "lucide-react": "^0.454.0",
     "mermaid": "^11.12.0",
-    "next": "15.5.7",
+    "next": "15.4.5",
     "next-i18next": "^15.4.2",
     "next-themes": "^0.4.4",
     "react": "18.2.0",
@@ -97,7 +97,7 @@
     "@types/react": "18.3.20",
     "@types/react-dom": "18.3.6",
     "eslint": "^9.34.0",
-    "eslint-config-next": "15.5.7",
+    "eslint-config-next": "15.5.0",
     "postcss": "^8",
     "tailwindcss": "^3.4.17",
     "typescript": "5.8.3"

frontend/tsconfig.json

@@ -1,10 +1,6 @@
 {
   "compilerOptions": {
-    "lib": [
-      "dom",
-      "dom.iterable",
-      "esnext"
-    ],
+    "lib": ["dom", "dom.iterable", "esnext"],
     "allowJs": true,
     "target": "ES6",
     "skipLibCheck": true,
@@ -23,22 +19,10 @@
       }
     ],
     "paths": {
-      "@/*": [
-        "./*"
-      ],
-      "@/app/*": [
-        "./app/[locale]/*"
-      ]
+      "@/*": ["./*"],
+      "@/app/*": ["./app/[locale]/*"]
     }
   },
-  "include": [
-    "next-env.d.ts",
-    "**/*.ts",
-    "**/*.tsx",
-    ".next/types/**/*.ts",
-    ".next/dev/types/**/*.ts"
-  ],
-  "exclude": [
-    "node_modules"
-  ]
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "exclude": ["node_modules"]
 }