chore: autogenerate settings documentation (#12451)

scripts/tests/generate-settings-doc.test.ts

@@ -0,0 +1,16 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { describe, it, expect } from 'vitest';
+import { main as generateDocs } from '../generate-settings-doc.ts';
+
+describe('generate-settings-doc', () => {
+  it('keeps documentation in sync in check mode', async () => {
+    const previousExitCode = process.exitCode;
+    await expect(generateDocs(['--check'])).resolves.toBeUndefined();
+    expect(process.exitCode).toBe(previousExitCode);
+  });
+});