diff --git a/apps/website/project.json b/apps/website/project.json
index af8c7f438..5f2e49997 100644
--- a/apps/website/project.json
+++ b/apps/website/project.json
@@ -64,6 +64,12 @@
       ]
     },
     "e2e": {
+      "executor": "nx:run-commands",
+      "options": {
+        "command": "npx tsx apps/website/scripts/run-e2e-with-next-env-restore.ts -- npx nx run website:e2e-playwright --skip-nx-cache"
+      }
+    },
+    "e2e-playwright": {
       "executor": "@nx/playwright:playwright",
       "options": {
         "config": "apps/website/playwright.config.ts"
diff --git a/apps/website/scripts/run-e2e-with-next-env-restore.ts b/apps/website/scripts/run-e2e-with-next-env-restore.ts
new file mode 100644
index 000000000..aeeaf9603
--- /dev/null
+++ b/apps/website/scripts/run-e2e-with-next-env-restore.ts
@@ -0,0 +1,48 @@
+import { spawn } from 'node:child_process';
+import { writeFile } from 'node:fs/promises';
+import { fileURLToPath } from 'node:url';
+
+const CANONICAL_NEXT_ENV = `/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+import "./../../dist/apps/website/.next/types/routes.d.ts";
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
+`;
+
+async function restoreNextEnv(): Promise<void> {
+  await writeFile(new URL('../next-env.d.ts', import.meta.url), CANONICAL_NEXT_ENV);
+}
+
+function run(command: string, args: string[]): Promise<number | null> {
+  return new Promise((resolve, reject) => {
+    const child = spawn(command, args, { stdio: 'inherit' });
+    child.on('error', reject);
+    child.on('close', (code) => resolve(code));
+  });
+}
+
+async function main(): Promise<void> {
+  const separator = process.argv.indexOf('--');
+  const commandLine = separator === -1 ? process.argv.slice(2) : process.argv.slice(separator + 1);
+  const [command, ...args] = commandLine;
+
+  if (!command) {
+    throw new Error('Expected a command after --');
+  }
+
+  let exitCode: number | null = 1;
+  try {
+    exitCode = await run(command, args);
+  } finally {
+    await restoreNextEnv();
+  }
+  process.exitCode = exitCode ?? 1;
+}
+
+if (process.argv[1] === fileURLToPath(import.meta.url)) {
+  main().catch((error: unknown) => {
+    console.error(error);
+    process.exitCode = 1;
+  });
+}
diff --git a/libs/middleware/src/integration.spec.ts b/libs/middleware/src/integration.spec.ts
index ef3a62720..e0e03c1b0 100644
--- a/libs/middleware/src/integration.spec.ts
+++ b/libs/middleware/src/integration.spec.ts
@@ -9,7 +9,8 @@ class FakeModel {
   bound: unknown[] = [];
   private turn = 0;
   bindTools(tools: unknown[]) { this.bound = tools; return this; }
-  async invoke(_messages: unknown[]) {
+  async invoke(messages: unknown[]) {
+    void messages;
     this.turn += 1;
     if (this.turn === 1) {
       return new AIMessage({ content: '', tool_calls: [{ name: 'get_weather', args: { city: 'SF' }, id: 'call_1' }] });
diff --git a/libs/telemetry/src/node/postinstall.spec.ts b/libs/telemetry/src/node/postinstall.spec.ts
index 5bb498ec7..e859283ca 100644
--- a/libs/telemetry/src/node/postinstall.spec.ts
+++ b/libs/telemetry/src/node/postinstall.spec.ts
@@ -80,7 +80,7 @@ describe('postinstall script', () => {
     await expect(
       capturePostinstallScript({
         readPackageJson: () => { throw new Error('not found'); },
-        write: (_s: string) => undefined,
+        write: () => undefined,
         env: { ...process.env },
         cwd: () => '/tmp/project/node_modules/@threadplane/telemetry',
       }),
@@ -103,7 +103,7 @@ describe('postinstall script', () => {
   test('skips local top-level installs by default', async () => {
     await capturePostinstallScript({
       readPackageJson: () => ({ name: '@threadplane/chat', version: '0.0.31' }),
-      write: (_s: string) => undefined,
+      write: () => undefined,
       env: { ...process.env, INIT_CWD: '/repo/libs/chat' },
       cwd: () => '/repo/libs/chat',
     });
@@ -118,7 +118,7 @@ describe('postinstall script', () => {
       symlinkSync(root, link, 'dir');
       await capturePostinstallScript({
         readPackageJson: () => ({ name: '@threadplane/chat', version: '0.0.31' }),
-        write: (_s: string) => undefined,
+        write: () => undefined,
         env: { ...process.env, INIT_CWD: join(link, 'pkg') },
         cwd: () => join(root, 'pkg'),
       });
@@ -132,7 +132,7 @@ describe('postinstall script', () => {
   test('allows global installs even when INIT_CWD matches cwd', async () => {
     await capturePostinstallScript({
       readPackageJson: () => ({ name: '@threadplane/chat', version: '0.0.31' }),
-      write: (_s: string) => undefined,
+      write: () => undefined,
       env: { ...process.env, INIT_CWD: '/repo/libs/chat', npm_config_global: 'true' },
       cwd: () => '/repo/libs/chat',
     });
diff --git a/package-lock.json b/package-lock.json
index 7aa26eb8f..886f4d15d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -61,7 +61,7 @@
         "@angular/elements": "~21.1.0",
         "@angular/language-service": "~21.1.0",
         "@anthropic-ai/sdk": "^0.79.0",
-        "@copilotkit/aimock": "^1.23.0",
+        "@copilotkit/aimock": "^1.35.1",
         "@eslint/js": "^9.8.0",
         "@json-render/core": "^0.16.0",
         "@langchain/langgraph": "^1.4.2",
@@ -7287,9 +7287,9 @@
       "license": "MIT"
     },
     "node_modules/@copilotkit/aimock": {
-      "version": "1.23.0",
-      "resolved": "https://registry.npmjs.org/@copilotkit/aimock/-/aimock-1.23.0.tgz",
-      "integrity": "sha512-9DDFk5sL9cMCq4aphDHM4j0BMAkmEtdMvkmbq4BUUiVZONd0gMy8B9qlbsbKW9REAQsKTQeTRnsfoxafieNayA==",
+      "version": "1.35.1",
+      "resolved": "https://registry.npmjs.org/@copilotkit/aimock/-/aimock-1.35.1.tgz",
+      "integrity": "sha512-d+bJFOGjydly9ayh6kK3bhj6m8xskz5Z/G/kSAvcK1WJ2OwRgMjnSG+9nv7INyBmx+5P1DIBg85+ua1Hd5tlNw==",
       "dev": true,
       "license": "MIT",
       "bin": {
@@ -7297,7 +7297,7 @@
         "llmock": "dist/cli.js"
       },
       "engines": {
-        "node": ">=24.0.0"
+        "node": ">=20.15.0"
       },
       "peerDependencies": {
         "jest": ">=29",
diff --git a/package.json b/package.json
index ecdfb9661..3d4bbc089 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@angular/elements": "~21.1.0",
     "@angular/language-service": "~21.1.0",
     "@anthropic-ai/sdk": "^0.79.0",
-    "@copilotkit/aimock": "^1.23.0",
+    "@copilotkit/aimock": "^1.35.1",
     "@eslint/js": "^9.8.0",
     "@json-render/core": "^0.16.0",
     "@langchain/langgraph": "^1.4.2",