Update next and react version.

frontend/eslint.config.mjs

@@ -10,6 +10,7 @@ const compat = new FlatCompat({
 });
 
 const eslintConfig = [
+  { ignores: [".next/**", "node_modules/**"] },
   ...compat.extends("next/core-web-vitals", "next/typescript"),
 ];
 

frontend/package.json

@@ -9,19 +9,19 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "react": "^19.0.0",
-    "react-dom": "^19.0.0",
-    "next": "15.3.2"
+    "next": "^16.0.10",
+    "react": "^19.2.3",
+    "react-dom": "^19.2.3"
   },
   "devDependencies": {
-    "typescript": "^5",
-    "@types/node": "^20",
-    "@types/react": "^19",
-    "@types/react-dom": "^19",
+    "@eslint/eslintrc": "^3",
     "@tailwindcss/postcss": "^4",
-    "tailwindcss": "^4",
+    "@types/node": "^20",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
     "eslint": "^9",
-    "eslint-config-next": "15.3.2",
-    "@eslint/eslintrc": "^3"
+    "eslint-config-next": "15.0.0",
+    "tailwindcss": "^4",
+    "typescript": "^5"
   }
 }

frontend/tsconfig.json

@@ -1,7 +1,11 @@
 {
   "compilerOptions": {
     "target": "ES2017",
-    "lib": ["dom", "dom.iterable", "esnext"],
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
     "allowJs": true,
     "skipLibCheck": true,
     "strict": true,
@@ -11,7 +15,7 @@
     "moduleResolution": "bundler",
     "resolveJsonModule": true,
     "isolatedModules": true,
-    "jsx": "preserve",
+    "jsx": "react-jsx",
     "incremental": true,
     "plugins": [
       {
@@ -19,9 +23,19 @@
       }
     ],
     "paths": {
-      "@/*": ["./src/*"]
+      "@/*": [
+        "./src/*"
+      ]
     }
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
-  "exclude": ["node_modules"]
+  "include": [
+    "next-env.d.ts",
+    "**/*.ts",
+    "**/*.tsx",
+    ".next/types/**/*.ts",
+    ".next/dev/types/**/*.ts"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
 }