Upgrade example app to Next.js 16, React 19, and AuthKit v4 (AUTH-6473)

.env.local.example

@@ -3,11 +3,14 @@ WORKOS_CLIENT_ID=
 WORKOS_API_KEY=
 
 # Needed for authkit-nextjs library example, defined in WorkOS dashboard
-WORKOS_REDIRECT_URI=
+NEXT_PUBLIC_WORKOS_REDIRECT_URI=
 
 # Needed for authkit-nextjs library example. Must be at least 32 characters long
 WORKOS_COOKIE_PASSWORD=
 
+# Only needed for the "with session" example. A base64-encoded signing key
+JWT_SECRET_KEY=
+
 # Only needed for the Single Sign-On example
 SSO_ENABLED_ORGANIZATION_ID=
 

README.md

@@ -24,7 +24,7 @@ You will need a [WorkOS account](https://dashboard.workos.com/signup).
 
 ## Running the example
 
-1. Install dependencies with `npm install` or `yarn install`
+1. Install dependencies with `npm install`
 2. Set up your **Environment variables** by signing into your [WorkOS dashboard](https://dashboard.workos.com), navigate to **API Keys** and copy the **Client ID** and the **Secret Key** (API Key).
    Rename the `.env.local.example` file to `.env.local` and supply your _Client ID_ and _Secret Key_.
 

eslint.config.mjs

@@ -0,0 +1,10 @@
+import nextCoreWebVitals from 'eslint-config-next/core-web-vitals';
+
+// `next lint` was removed in Next.js 16, and @next/eslint-plugin-next now
+// defaults to ESLint's flat config format.
+const config = [
+  { ignores: ['.next/**', 'out/**', 'build/**', 'next-env.d.ts'] },
+  ...nextCoreWebVitals,
+];
+
+export default config;