Component namespacing (#2463)

* [claudesquad] update from 'component-namespacing' on 18 Jul 25 07:23 EDT

* [claudesquad] update from 'component-namespacing' on 18 Jul 25 07:30 EDT

* Update stimulus controller references to use namespace

* Fix remaining tests

app/components/DS/menu.rb

@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+class DS::Menu < DesignSystemComponent
+  attr_reader :variant, :avatar_url, :initials, :placement, :offset, :icon_vertical, :no_padding, :testid
+
+  renders_one :button, ->(**button_options, &block) do
+    options_with_target = button_options.merge(data: { DS__menu_target: "button" })
+
+    if block
+      content_tag(:button, **options_with_target, &block)
+    else
+      DS::Button.new(**options_with_target)
+    end
+  end
+
+  renders_one :header, ->(&block) do
+    content_tag(:div, class: "border-b border-tertiary", &block)
+  end
+
+  renders_one :custom_content
+
+  renders_many :items, DS::MenuItem
+
+  VARIANTS = %i[icon button avatar].freeze
+
+  def initialize(variant: "icon", avatar_url: nil, initials: nil, placement: "bottom-end", offset: 12, icon_vertical: false, no_padding: false, testid: nil)
+    @variant = variant.to_sym
+    @avatar_url = avatar_url
+    @initials = initials
+    @placement = placement
+    @offset = offset
+    @icon_vertical = icon_vertical
+    @no_padding = no_padding
+    @testid = testid
+
+    raise ArgumentError, "Invalid variant: #{@variant}" unless VARIANTS.include?(@variant)
+  end
+end