Initial commit: Add logistics and order_detail message types

- Add Logistics component with progress tracking
- Add OrderDetail component for order information
- Support data-driven steps and actions
- Add blue color scale to widget SCSS
- Fix node overflow and progress bar rendering issues
- Add English translations for dashboard components

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

app/models/platform_app.rb

@@ -0,0 +1,16 @@
+# == Schema Information
+#
+# Table name: platform_apps
+#
+#  id         :bigint           not null, primary key
+#  name       :string           not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class PlatformApp < ApplicationRecord
+  include AccessTokenable
+
+  validates :name, presence: true
+
+  has_many :platform_app_permissibles, dependent: :destroy_async
+end