feat(cli): add @videojs/cli docs command for LLM-friendly installation (#1214)

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/cli/src/utils/tests/format.test.ts

@@ -0,0 +1,54 @@
+import { describe, expect, it } from 'vitest';
+import type { InstallationOptions } from '@/utils/installation/codegen';
+import { formatInstallationCode } from '../format.js';
+
+const baseHTML: InstallationOptions = {
+  framework: 'html',
+  useCase: 'default-video',
+  skin: 'video',
+  renderer: 'html5-video',
+  sourceUrl: '',
+  installMethod: 'npm',
+};
+
+const baseReact: InstallationOptions = {
+  framework: 'react',
+  useCase: 'default-video',
+  skin: 'video',
+  renderer: 'html5-video',
+  sourceUrl: '',
+  installMethod: 'npm',
+};
+
+describe('formatInstallationCode', () => {
+  it('formats HTML + npm with install, JS imports, and HTML sections', () => {
+    const result = formatInstallationCode(baseHTML);
+    expect(result).toContain('## Install Video.js');
+    expect(result).toContain('npm install @videojs/html');
+    expect(result).toContain('## JavaScript imports');
+    expect(result).toContain('## HTML');
+    expect(result).toContain('<video-player>');
+  });
+
+  it('formats HTML + CDN without JS imports section', () => {
+    const result = formatInstallationCode({ ...baseHTML, installMethod: 'cdn' });
+    expect(result).toContain('## Install Video.js');
+    expect(result).toContain('<script');
+    expect(result).not.toContain('## JavaScript imports');
+    expect(result).toContain('## HTML');
+  });
+
+  it('formats React with install, create, and use sections', () => {
+    const result = formatInstallationCode(baseReact);
+    expect(result).toContain('## Install Video.js');
+    expect(result).toContain('npm install @videojs/react');
+    expect(result).toContain('## Create your player');
+    expect(result).toContain('MyPlayer');
+    expect(result).toContain('## Use your player');
+  });
+
+  it('uses pnpm install command when specified', () => {
+    const result = formatInstallationCode({ ...baseReact, installMethod: 'pnpm' });
+    expect(result).toContain('pnpm add @videojs/react');
+  });
+});