diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af953da..7408d9c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -136,7 +136,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'npm'
           cache-dependency-path: frontend/package-lock.json
 
@@ -215,7 +215,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'npm'
           cache-dependency-path: frontend/package-lock.json
 
diff --git a/.github/workflows/frontend-tests.yml b/.github/workflows/frontend-tests.yml
index 5ca3961..d6132c6 100644
--- a/.github/workflows/frontend-tests.yml
+++ b/.github/workflows/frontend-tests.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'npm'
           cache-dependency-path: frontend/package-lock.json
       
@@ -56,7 +56,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'npm'
           cache-dependency-path: frontend/package-lock.json
       
@@ -82,7 +82,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'npm'
           cache-dependency-path: frontend/package-lock.json
       
diff --git a/frontend/.node-version b/frontend/.node-version
index 3c03207..209e3ef 100644
--- a/frontend/.node-version
+++ b/frontend/.node-version
@@ -1 +1 @@
-18
+20
diff --git a/frontend/CLOUDFLARE_PAGES.md b/frontend/CLOUDFLARE_PAGES.md
index 946c392..6607838 100644
--- a/frontend/CLOUDFLARE_PAGES.md
+++ b/frontend/CLOUDFLARE_PAGES.md
@@ -8,7 +8,7 @@
 - **Build command**: `npm run build`
 - **Build output directory**: `.next`
 - **Root directory**: `frontend`
-- **Node.js version**: 18 (specified in `.node-version`)
+- **Node.js version**: 20 (specified in `.node-version`)
 
 ### Environment Variables
 
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 13462dc..e8d95d6 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.5.5",
       "license": "MIT",
       "dependencies": {
-        "next": "^15.5.10",
+        "next": "^16.1.5",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-syntax-highlighter": "^16.1.0"
@@ -74,7 +74,6 @@
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -1699,9 +1698,9 @@
       }
     },
     "node_modules/@next/env": {
-      "version": "15.5.10",
-      "resolved": "https://registry.npmjs.org/@next/env/-/env-15.5.10.tgz",
-      "integrity": "sha512-plg+9A/KoZcTS26fe15LHg+QxReTazrIOoKKUC3Uz4leGGeNPgLHdevVraAAOX0snnUs3WkRx3eUQpj9mreG6A==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/env/-/env-16.1.5.tgz",
+      "integrity": "sha512-CRSCPJiSZoi4Pn69RYBDI9R7YK2g59vLexPQFXY0eyw+ILevIenCywzg+DqmlBik9zszEnw2HLFOUlLAcJbL7g==",
       "license": "MIT"
     },
     "node_modules/@next/eslint-plugin-next": {
@@ -1745,9 +1744,9 @@
       }
     },
     "node_modules/@next/swc-darwin-arm64": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@next/swc-darwin-arm64/-/swc-darwin-arm64-15.5.7.tgz",
-      "integrity": "sha512-IZwtxCEpI91HVU/rAUOOobWSZv4P2DeTtNaCdHqLcTJU4wdNXgAySvKa/qJCgR5m6KI8UsKDXtO2B31jcaw1Yw==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/swc-darwin-arm64/-/swc-darwin-arm64-16.1.5.tgz",
+      "integrity": "sha512-eK7Wdm3Hjy/SCL7TevlH0C9chrpeOYWx2iR7guJDaz4zEQKWcS1IMVfMb9UKBFMg1XgzcPTYPIp1Vcpukkjg6Q==",
       "cpu": [
         "arm64"
       ],
@@ -1761,9 +1760,9 @@
       }
     },
     "node_modules/@next/swc-darwin-x64": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@next/swc-darwin-x64/-/swc-darwin-x64-15.5.7.tgz",
-      "integrity": "sha512-UP6CaDBcqaCBuiq/gfCEJw7sPEoX1aIjZHnBWN9v9qYHQdMKvCKcAVs4OX1vIjeE+tC5EIuwDTVIoXpUes29lg==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/swc-darwin-x64/-/swc-darwin-x64-16.1.5.tgz",
+      "integrity": "sha512-foQscSHD1dCuxBmGkbIr6ScAUF6pRoDZP6czajyvmXPAOFNnQUJu2Os1SGELODjKp/ULa4fulnBWoHV3XdPLfA==",
       "cpu": [
         "x64"
       ],
@@ -1777,9 +1776,9 @@
       }
     },
     "node_modules/@next/swc-linux-arm64-gnu": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@next/swc-linux-arm64-gnu/-/swc-linux-arm64-gnu-15.5.7.tgz",
-      "integrity": "sha512-NCslw3GrNIw7OgmRBxHtdWFQYhexoUCq+0oS2ccjyYLtcn1SzGzeM54jpTFonIMUjNbHmpKpziXnpxhSWLcmBA==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/swc-linux-arm64-gnu/-/swc-linux-arm64-gnu-16.1.5.tgz",
+      "integrity": "sha512-qNIb42o3C02ccIeSeKjacF3HXotGsxh/FMk/rSRmCzOVMtoWH88odn2uZqF8RLsSUWHcAqTgYmPD3pZ03L9ZAA==",
       "cpu": [
         "arm64"
       ],
@@ -1793,9 +1792,9 @@
       }
     },
     "node_modules/@next/swc-linux-arm64-musl": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@next/swc-linux-arm64-musl/-/swc-linux-arm64-musl-15.5.7.tgz",
-      "integrity": "sha512-nfymt+SE5cvtTrG9u1wdoxBr9bVB7mtKTcj0ltRn6gkP/2Nu1zM5ei8rwP9qKQP0Y//umK+TtkKgNtfboBxRrw==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/swc-linux-arm64-musl/-/swc-linux-arm64-musl-16.1.5.tgz",
+      "integrity": "sha512-U+kBxGUY1xMAzDTXmuVMfhaWUZQAwzRaHJ/I6ihtR5SbTVUEaDRiEU9YMjy1obBWpdOBuk1bcm+tsmifYSygfw==",
       "cpu": [
         "arm64"
       ],
@@ -1809,9 +1808,9 @@
       }
     },
     "node_modules/@next/swc-linux-x64-gnu": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@next/swc-linux-x64-gnu/-/swc-linux-x64-gnu-15.5.7.tgz",
-      "integrity": "sha512-hvXcZvCaaEbCZcVzcY7E1uXN9xWZfFvkNHwbe/n4OkRhFWrs1J1QV+4U1BN06tXLdaS4DazEGXwgqnu/VMcmqw==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/swc-linux-x64-gnu/-/swc-linux-x64-gnu-16.1.5.tgz",
+      "integrity": "sha512-gq2UtoCpN7Ke/7tKaU7i/1L7eFLfhMbXjNghSv0MVGF1dmuoaPeEVDvkDuO/9LVa44h5gqpWeJ4mRRznjDv7LA==",
       "cpu": [
         "x64"
       ],
@@ -1825,9 +1824,9 @@
       }
     },
     "node_modules/@next/swc-linux-x64-musl": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@next/swc-linux-x64-musl/-/swc-linux-x64-musl-15.5.7.tgz",
-      "integrity": "sha512-4IUO539b8FmF0odY6/SqANJdgwn1xs1GkPO5doZugwZ3ETF6JUdckk7RGmsfSf7ws8Qb2YB5It33mvNL/0acqA==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/swc-linux-x64-musl/-/swc-linux-x64-musl-16.1.5.tgz",
+      "integrity": "sha512-bQWSE729PbXT6mMklWLf8dotislPle2L70E9q6iwETYEOt092GDn0c+TTNj26AjmeceSsC4ndyGsK5nKqHYXjQ==",
       "cpu": [
         "x64"
       ],
@@ -1841,9 +1840,9 @@
       }
     },
     "node_modules/@next/swc-win32-arm64-msvc": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@next/swc-win32-arm64-msvc/-/swc-win32-arm64-msvc-15.5.7.tgz",
-      "integrity": "sha512-CpJVTkYI3ZajQkC5vajM7/ApKJUOlm6uP4BknM3XKvJ7VXAvCqSjSLmM0LKdYzn6nBJVSjdclx8nYJSa3xlTgQ==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/swc-win32-arm64-msvc/-/swc-win32-arm64-msvc-16.1.5.tgz",
+      "integrity": "sha512-LZli0anutkIllMtTAWZlDqdfvjWX/ch8AFK5WgkNTvaqwlouiD1oHM+WW8RXMiL0+vAkAJyAGEzPPjO+hnrSNQ==",
       "cpu": [
         "arm64"
       ],
@@ -1857,9 +1856,9 @@
       }
     },
     "node_modules/@next/swc-win32-x64-msvc": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@next/swc-win32-x64-msvc/-/swc-win32-x64-msvc-15.5.7.tgz",
-      "integrity": "sha512-gMzgBX164I6DN+9/PGA+9dQiwmTkE4TloBNx8Kv9UiGARsr9Nba7IpcBRA1iTV9vwlYnrE3Uy6I7Aj6qLjQuqw==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/@next/swc-win32-x64-msvc/-/swc-win32-x64-msvc-16.1.5.tgz",
+      "integrity": "sha512-7is37HJTNQGhjPpQbkKjKEboHYQnCgpVt/4rBrrln0D9nderNxZ8ZWs8w1fAtzUx7wEyYjQ+/13myFgFj6K2Ng==",
       "cpu": [
         "x64"
       ],
@@ -1926,7 +1925,6 @@
       "integrity": "sha512-6TyEnHgd6SArQO8UO2OMTxshln3QMWBtPGrOCgs3wVEmQmwyuNtB10IZMfmYDE0riwNR1cu4q+pPcxMVtaG3TA==",
       "devOptional": true,
       "license": "Apache-2.0",
-      "peer": true,
       "dependencies": {
         "playwright": "1.57.0"
       },
@@ -2311,7 +2309,6 @@
       "integrity": "sha512-cisd7gxkzjBKU2GgdYrTdtQx1SORymWyaAFhaxQPK9bYO9ot3Y5OikQRvY0VYQtvwjeQnizCINJAenh/V7MK2w==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@types/prop-types": "*",
         "csstype": "^3.2.2"
@@ -2420,7 +2417,6 @@
       "integrity": "sha512-lJi3PfxVmo0AkEY93ecfN+r8SofEqZNGByvHAI3GBLrvt1Cw6H5k1IM02nSzu0RfUafr2EvFSw0wAsZgubNplQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.47.0",
         "@typescript-eslint/types": "8.47.0",
@@ -2936,7 +2932,6 @@
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3500,7 +3495,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.8.25",
         "caniuse-lite": "^1.0.30001754",
@@ -4543,7 +4537,6 @@
       "deprecated": "This version is no longer supported. Please see https://eslint.org/version-support for other options.",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.6.1",
@@ -6478,7 +6471,6 @@
       "integrity": "sha512-NIy3oAFp9shda19hy4HK0HRTWKtPJmGdnvywu01nOqNC2vZg+Z+fvJDxpMQA88eb2I9EcafcdjYgsDthnYTvGw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@jest/core": "^29.7.0",
         "@jest/types": "^29.6.3",
@@ -7921,13 +7913,14 @@
       "license": "MIT"
     },
     "node_modules/next": {
-      "version": "15.5.10",
-      "resolved": "https://registry.npmjs.org/next/-/next-15.5.10.tgz",
-      "integrity": "sha512-r0X65PNwyDDyOrWNKpQoZvOatw7BcsTPRKdwEqtc9cj3wv7mbBIk9tKed4klRaFXJdX0rugpuMTHslDrAU1bBg==",
+      "version": "16.1.5",
+      "resolved": "https://registry.npmjs.org/next/-/next-16.1.5.tgz",
+      "integrity": "sha512-f+wE+NSbiQgh3DSAlTaw2FwY5yGdVViAtp8TotNQj4kk4Q8Bh1sC/aL9aH+Rg1YAVn18OYXsRDT7U/079jgP7w==",
       "license": "MIT",
       "dependencies": {
-        "@next/env": "15.5.10",
+        "@next/env": "16.1.5",
         "@swc/helpers": "0.5.15",
+        "baseline-browser-mapping": "^2.8.3",
         "caniuse-lite": "^1.0.30001579",
         "postcss": "8.4.31",
         "styled-jsx": "5.1.6"
@@ -7936,18 +7929,18 @@
         "next": "dist/bin/next"
       },
       "engines": {
-        "node": "^18.18.0 || ^19.8.0 || >= 20.0.0"
+        "node": ">=20.9.0"
       },
       "optionalDependencies": {
-        "@next/swc-darwin-arm64": "15.5.7",
-        "@next/swc-darwin-x64": "15.5.7",
-        "@next/swc-linux-arm64-gnu": "15.5.7",
-        "@next/swc-linux-arm64-musl": "15.5.7",
-        "@next/swc-linux-x64-gnu": "15.5.7",
-        "@next/swc-linux-x64-musl": "15.5.7",
-        "@next/swc-win32-arm64-msvc": "15.5.7",
-        "@next/swc-win32-x64-msvc": "15.5.7",
-        "sharp": "^0.34.3"
+        "@next/swc-darwin-arm64": "16.1.5",
+        "@next/swc-darwin-x64": "16.1.5",
+        "@next/swc-linux-arm64-gnu": "16.1.5",
+        "@next/swc-linux-arm64-musl": "16.1.5",
+        "@next/swc-linux-x64-gnu": "16.1.5",
+        "@next/swc-linux-x64-musl": "16.1.5",
+        "@next/swc-win32-arm64-msvc": "16.1.5",
+        "@next/swc-win32-x64-msvc": "16.1.5",
+        "sharp": "^0.34.4"
       },
       "peerDependencies": {
         "@opentelemetry/api": "^1.1.0",
@@ -8712,7 +8705,6 @@
       "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
       "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "loose-envify": "^1.1.0"
       },
@@ -8725,7 +8717,6 @@
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz",
       "integrity": "sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "loose-envify": "^1.1.0",
         "scheduler": "^0.23.2"
@@ -9725,7 +9716,6 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -10023,7 +10013,6 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/frontend/package.json b/frontend/package.json
index 651ea4f..d7d7b78 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -7,7 +7,7 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint",
+    "lint": "eslint \"**/*.{js,jsx,ts,tsx}\"",
     "type-check": "tsc --noEmit",
     "test": "jest",
     "test:watch": "jest --watch",
@@ -18,7 +18,7 @@
     "test:all": "npm test && npm run test:e2e"
   },
   "dependencies": {
-    "next": "^15.5.10",
+    "next": "^16.1.5",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-syntax-highlighter": "^16.1.0"
@@ -41,7 +41,7 @@
     "typescript": "^5.3.3"
   },
   "engines": {
-    "node": ">=18.0.0",
+    "node": ">=20.9.0",
     "npm": ">=9.0.0"
   },
   "keywords": [
diff --git a/frontend/tsconfig.json b/frontend/tsconfig.json
index 4e63d5f..cd0e0a3 100644
--- a/frontend/tsconfig.json
+++ b/frontend/tsconfig.json
@@ -12,7 +12,7 @@
     "moduleResolution": "bundler",
     "resolveJsonModule": true,
     "isolatedModules": true,
-    "jsx": "preserve",
+    "jsx": "react-jsx",
     "incremental": true,
     "plugins": [
       {
@@ -23,7 +23,7 @@
       "@/*": ["./*"]
     }
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts", "jest.setup.js"],
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts", "jest.setup.js", ".next/dev/types/**/*.ts"],
   "exclude": ["node_modules"],
   "types": ["jest", "@testing-library/jest-dom"]
 }