Añadido posts relacionados

src/components/PostsRelacionados.astro

@@ -3,16 +3,25 @@ const { currentPost } = Astro.props;
 
 const posts = await Astro.glob('../pages/posts/*.mdx');
 
-const relatedPosts = posts.filter(post => 
-    currentPost.relacionados?.includes(post.file.split('/').pop().replace('.mdx', ''))
-).map(post => ({
-    title: post.frontmatter.titulo,
-    excerpt: post.frontmatter.descripcion,
-    url: post.url,
-    imagen: post.frontmatter.imagen
+const processedPosts = await Promise.all(posts.map(async (post) => {
+  const { frontmatter, url, file } = await post;
+  const fileName = file.split('/').pop().replace('.mdx', '').toLowerCase();
+  return { fileName, frontmatter, url };
 }));
+
+const relatedPosts = processedPosts
+  .filter((post) => 
+    currentPost.relacionados?.map(rel => rel.toLowerCase()).includes(post.fileName)
+  )
+  .map((post) => ({
+    title: post.frontmatter?.titulo || 'Sin título',
+    excerpt: post.frontmatter?.descripcion || '',
+    url: post.url || '#',
+    imagen: post.frontmatter?.imagen || '/default-image.jpg',
+  }));
 ---
 
+
 <section class="related-posts mt-5 col-lg-8">
     <h4 class="mb-3">Posts Relacionados</h4>
     <ul class="list-group">