docs(marketing): apply shimmer animation to Plan review cap item

For provenance purposes, this commit was AI assisted.

Author: backnotprop

apps/marketing/src/pages/index.astro

@@ -311,7 +311,7 @@ import AnnoReplace from '../components/landing/AnnoReplace.astro';
           <div class="cap-group">
             <h3 class="cap-group-label">Commands</h3>
             <div class="cap-item">
-              <span class="cap-name">Plan review</span>
+              <code class="cap-cmd">Plan review</code>
               <span class="cap-desc">Automatic: hooks into your agent's plan step</span>
             </div>
             <div class="cap-item">