Add windows type dropdown to workshop variation edit form

Adds a WindowsType select dropdown next to the variation name field
and permits windows_type_id in the controller's strong params.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: maebeale

app/controllers/workshop_variations_controller.rb

@@ -111,7 +111,8 @@ def set_form_variables
   def workshop_variation_params
     params.require(:workshop_variation).permit(
       [ :name, :rhino_body, :published, :publicly_visible, :position, :youtube_url, :created_by_id,
-        :organization_id, :workshop_id, :workshop_variation_idea_id, :author_credit_preference
+        :organization_id, :workshop_id, :workshop_variation_idea_id, :author_credit_preference,
+        :windows_type_id
       ]
     )
   end

app/views/workshop_variations/_form.html.erb

@@ -49,7 +49,20 @@
     <!-- Variation fields -->
     <div class="grid grid-cols-1 md:grid-cols-1 gap-6">
       <div>
-        <%= f.input :name, label: "Variation name", input_html: { class: "w-full" } %>
+        <div class="flex flex-col md:flex-row md:space-x-4 mb-4">
+          <div class="flex-1">
+            <%= f.input :name, label: "Variation name", input_html: { class: "w-full" } %>
+          </div>
+          <div class="w-full md:w-1/3">
+            <%= f.input :windows_type_id,
+                        as: :select,
+                        collection: WindowsType.all,
+                        label_method: :short_name,
+                        value_method: :id,
+                        include_blank: "Select type",
+                        label: "Windows type" %>
+          </div>
+        </div>
 
         <div class="form-group <%= 'has-error' if f.object.errors[:rhino_body].present? %>">
           <%= rhino_editor(f, :body) %>