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/dashboard_app.rb

@@ -0,0 +1,47 @@
+# == Schema Information
+#
+# Table name: dashboard_apps
+#
+#  id         :bigint           not null, primary key
+#  content    :jsonb
+#  title      :string           not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  account_id :bigint           not null
+#  user_id    :bigint
+#
+# Indexes
+#
+#  index_dashboard_apps_on_account_id  (account_id)
+#  index_dashboard_apps_on_user_id     (user_id)
+#
+class DashboardApp < ApplicationRecord
+  belongs_to :user
+  belongs_to :account
+  validate :validate_content
+
+  private
+
+  def validate_content
+    has_invalid_data = self[:content].blank? || !self[:content].is_a?(Array)
+    self[:content] = [] if has_invalid_data
+
+    content_schema = {
+      'type' => 'array',
+      'items' => {
+        'type' => 'object',
+        'required' => %w[url type],
+        'properties' => {
+          'type' => { 'enum': ['frame'] },
+          'url' => { '$ref' => '#/definitions/saneUrl' }
+        }
+      },
+      'definitions' => {
+        'saneUrl' => { 'format' => 'uri', 'pattern' => '^https?://' }
+      },
+      'additionalProperties' => false,
+      'minItems' => 1
+    }
+    errors.add(:content, ': Invalid data') unless JSONSchemer.schema(content_schema.to_json).valid?(self[:content])
+  end
+end