fix: enable Netlify Next.js runtime

Author: Bloomingg

netlify.toml

@@ -5,3 +5,6 @@
 [build.environment]
   NODE_VERSION = "22.16.0"
   NEXT_TELEMETRY_DISABLED = "1"
+
+[[plugins]]
+  package = "@netlify/plugin-nextjs"

package.json

@@ -73,6 +73,7 @@
     "zod": "4.4.3"
   },
   "devDependencies": {
+    "@netlify/plugin-nextjs": "5.15.13",
     "@redocly/cli": "2.38.0",
     "@tailwindcss/postcss": "4.3.1",
     "@types/mdx": "2.0.13",

pnpm-lock.yaml

@@ -4,10 +4,13 @@ import test from 'node:test';
 
 test('keeps the Netlify build and publish settings in version control', () => {
   const config = readFileSync('netlify.toml', 'utf8');
+  const packageJson = JSON.parse(readFileSync('package.json', 'utf8'));
 
   assert.match(config, /^\s*command = "pnpm build"$/m);
   assert.match(config, /^\s*publish = "\.next"$/m);
   assert.match(config, /^\s*NODE_VERSION = "22\.16\.0"$/m);
+  assert.match(config, /^\s*package = "@netlify\/plugin-nextjs"$/m);
+  assert.equal(packageJson.devDependencies['@netlify/plugin-nextjs'], '5.15.13');
   assert.equal(existsSync('pnpm-lock.yaml'), true);
   assert.equal(existsSync('package-lock.json'), false);
 });