WIP: preserve failed Codex job issue-242-hhdxc839

backend/db/migrate/20261115000000_add_post_count_index_to_tags.rb

@@ -0,0 +1,5 @@
+class AddPostCountIndexToTags < ActiveRecord::Migration[8.0]
+  def change
+    add_index :tags, :post_count
+  end
+end