diff --git a/web/tests/e2e/codex-copy-feedback.spec.ts b/web/tests/e2e/codex-copy-feedback.spec.ts
index 8c431db77..e5217f449 100644
--- a/web/tests/e2e/codex-copy-feedback.spec.ts
+++ b/web/tests/e2e/codex-copy-feedback.spec.ts
@@ -13,22 +13,7 @@ async function mount(page: Page, mode: string) {
     window.$RefreshReg$ = () => {};
     window.$RefreshSig$ = () => (type) => type;
     window.__vite_plugin_react_preamble_installed__ = true;
-    </script><script type="module">
-    import React from '/node_modules/.vite/deps/react.js';
-    import ReactDOM from '/node_modules/.vite/deps/react-dom_client.js';
-    const {createRoot} = ReactDOM;
-    import i18n from '/node_modules/.vite/deps/i18next.js';
-    import {initReactI18next} from '/node_modules/.vite/deps/react-i18next.js';
-    import {Toaster} from '/src/components/ui/sonner.tsx';
-    import '/src/app/global.css';
-    import {Dialog, DialogContent, DialogTitle} from '/src/components/ui/dialog.tsx';
-    import Section from '/src/app/home/components/models-dialog/component/provider-form/CodexAccountSection.tsx';
-    await i18n.use(initReactI18next).init({lng:'en', resources:{en:{translation:{}}}, interpolation:{escapeValue:false}});
-    const root=createRoot(document.getElementById('root'));
-    window.renderCode=(code='FIXTURE-1234',attempt='attempt-1')=>root.render(React.createElement(Dialog,{open:true},
-      React.createElement(DialogContent,{},React.createElement(DialogTitle,{},'Copy fixture'),React.createElement(Section,{providerId:'fixture',login:{phase:'pending',device:{user_code:code,authorization_id:attempt,verification_uri:'https://example.invalid',expires_at:9999999999}}})),React.createElement(Toaster)));
-    window.renderCode();
-    </script>`,
+    </script><script type="module" src="/tests/e2e/fixtures/codex-copy-harness.mjs"></script>`,
     }),
   );
   await page.addInitScript((mode) => {
diff --git a/web/tests/e2e/fixtures/codex-copy-harness.mjs b/web/tests/e2e/fixtures/codex-copy-harness.mjs
new file mode 100644
index 000000000..c8f277ed9
--- /dev/null
+++ b/web/tests/e2e/fixtures/codex-copy-harness.mjs
@@ -0,0 +1,45 @@
+import React from 'react';
+import { createRoot } from 'react-dom/client';
+import i18n from 'i18next';
+import { initReactI18next } from 'react-i18next';
+import { Toaster } from '/src/components/ui/sonner.tsx';
+import '/src/app/global.css';
+import {
+  Dialog,
+  DialogContent,
+  DialogTitle,
+} from '/src/components/ui/dialog.tsx';
+import Section from '/src/app/home/components/models-dialog/component/provider-form/CodexAccountSection.tsx';
+i18n.use(initReactI18next);
+await i18n.init({
+  lng: 'en',
+  resources: { en: { translation: {} } },
+  interpolation: { escapeValue: false },
+});
+const root = createRoot(document.getElementById('root'));
+window.renderCode = (code = 'FIXTURE-1234', attempt = 'attempt-1') =>
+  root.render(
+    React.createElement(
+      Dialog,
+      { open: true },
+      React.createElement(
+        DialogContent,
+        {},
+        React.createElement(DialogTitle, {}, 'Copy fixture'),
+        React.createElement(Section, {
+          providerId: 'fixture',
+          login: {
+            phase: 'pending',
+            device: {
+              user_code: code,
+              authorization_id: attempt,
+              verification_uri: 'https://example.invalid',
+              expires_at: 9999999999,
+            },
+          },
+        }),
+      ),
+      React.createElement(Toaster),
+    ),
+  );
+window.renderCode();