fix: address PR review findings

Assert the existing-namespace path still invokes the CLI, and finish the pythoughts-to-pymodel rename in the site footer.

Author: elkaix

apps/site/src/App.vue

@@ -494,7 +494,7 @@ onUnmounted(() => {
 
   <footer class="site-footer">
     <div class="container footer-inner">
-      <div><div class="footer-brand"><PythinkerMascot :width="16" :height="20" /><p class="wordmark">Pythinker Code</p><span class="footer-version">v{{ version }}</span></div><p class="footer-caption">Built by Pythoughts. MIT License.</p></div>
+      <div><div class="footer-brand"><PythinkerMascot :width="16" :height="20" /><p class="wordmark">Pythinker Code</p><span class="footer-version">v{{ version }}</span></div><p class="footer-caption">Built by Pymodel. MIT License.</p></div>
       <div class="footer-links">
         <a href="https://github.com/PyModel/pythinker-code" target="_blank" rel="noopener">GitHub</a>
         <a href="https://www.npmjs.com/package/@pymodel/pythinker-code" target="_blank" rel="noopener">npm</a>

apps/vscode/test/ovsx-namespace.test.ts

@@ -27,6 +27,9 @@ describe('ensureNamespace', () => {
     });
 
     expect(() => ensureNamespace('pymodel', run)).not.toThrow();
+    expect(run).toHaveBeenCalledTimes(1);
+    const [, , args] = run.mock.calls[0] as unknown as [string, string, string[]];
+    expect(args).toEqual(['create-namespace', 'pymodel']);
   });
 
   it('propagates a real failure instead of publishing into a broken namespace', () => {