fix(post): Wrap content in #post helper and re-add prose classes

post.hbs

@@ -1,5 +1,6 @@
 {{!< default}}
 
+{{#post}}
 <article class="container mx-auto px-4 py-12">
     <header class="text-center mb-8">
         <h1 class="text-6xl font-bold tracking-tight text-[var(--text-primary)] mb-4">{{title fallback="No Title Provided"}}</h1>
@@ -29,7 +30,7 @@
         </div>
     {{/if}}
 
-    <section class="post-content max-w-3xl mx-auto text-[var(--text-primary)] leading-relaxed text-lg">
+    <section class="post-content max-w-3xl mx-auto text-[var(--text-primary)] leading-relaxed text-lg prose prose-invert">
         {{content fallback="<p>No content provided for this post.</p>"}}
     </section>
 
@@ -39,3 +40,4 @@
         </a>
     </footer>
 </article>
+{{/post}}