mas efectos secundario de get_front_matter

app/models/post.rb

@@ -278,7 +278,7 @@ class Post
 
   # Obtiene metadatos de forma recursiva
   def get_front_matter(name)
-    name = name.to_s if name.is_a? Symbol
+    name = name.to_s unless name.is_a? Array
     @front_matter.dig(*name)
   end
 

app/views/posts/_form.haml

@@ -86,7 +86,7 @@
   -# Genera todos los campos de la plantilla
   - @post.template_fields.each do |template|
     - next unless type = template.type
-    - value = @post.new? ? template.values : @post.get_front_matter(template)
+    - value = @post.new? ? template.values : @post.get_front_matter(template.key)
     .form-group
       = label_tag "post_#{template}", id: template do
         = link_to '#' + template.key, class: 'text-muted',