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/site-aliases.test.ts

@@ -0,0 +1,27 @@
+import { existsSync } from 'node:fs';
+import { resolve } from 'node:path';
+import { describe, expect, it } from 'vitest';
+
+/**
+ * The CLI aliases source files from the site package via path aliases in
+ * tsdown.config.ts and vitest.config.ts. If these files move, the CLI build
+ * breaks silently. This test makes that failure loud.
+ */
+const SITE_ROOT = resolve(__dirname, '../../../../../site/src');
+
+const ALIASED_FILES = [
+  'utils/installation/codegen.ts',
+  'utils/installation/types.ts',
+  'utils/installation/cdn-code.ts',
+  'utils/installation/detect-renderer.ts',
+  'consts.ts',
+];
+
+describe('site source aliases', () => {
+  for (const file of ALIASED_FILES) {
+    it(`site/src/${file} exists`, () => {
+      const fullPath = resolve(SITE_ROOT, file);
+      expect(existsSync(fullPath), `Aliased site file missing: ${fullPath}`).toBe(true);
+    });
+  }
+});