fix(test): make version assertion dynamic in package-version test

The hardcoded '2.0.0' assertion broke on the version bump to 2.0.1.
Read the version from package.json instead so future bumps don't
cause test failures.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: pmclSF

test/integration/package-version.test.js

@@ -83,6 +83,9 @@ describe('Package version resolution', () => {
       }
     );
 
-    expect(result).toBe('2.0.0');
+    const pkg = JSON.parse(
+      await fs.readFile(path.join(rootDir, 'package.json'), 'utf8')
+    );
+    expect(result).toBe(pkg.version);
   });
 });