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/category.rb

@@ -0,0 +1,91 @@
+# == Schema Information
+#
+# Table name: categories
+#
+#  id                     :bigint           not null, primary key
+#  description            :text
+#  icon                   :string           default("")
+#  locale                 :string           default("en")
+#  name                   :string
+#  position               :integer
+#  slug                   :string           not null
+#  created_at             :datetime         not null
+#  updated_at             :datetime         not null
+#  account_id             :integer          not null
+#  associated_category_id :bigint
+#  parent_category_id     :bigint
+#  portal_id              :integer          not null
+#
+# Indexes
+#
+#  index_categories_on_associated_category_id         (associated_category_id)
+#  index_categories_on_locale                         (locale)
+#  index_categories_on_locale_and_account_id          (locale,account_id)
+#  index_categories_on_parent_category_id             (parent_category_id)
+#  index_categories_on_slug_and_locale_and_portal_id  (slug,locale,portal_id) UNIQUE
+#
+class Category < ApplicationRecord
+  paginates_per Limits::CATEGORIES_PER_PAGE
+  belongs_to :account
+  belongs_to :portal
+  has_many :folders, dependent: :destroy_async
+  has_many :articles, dependent: :nullify
+  has_many :category_related_categories,
+           class_name: :RelatedCategory,
+           dependent: :destroy_async
+  has_many :related_categories,
+           through: :category_related_categories,
+           class_name: :Category,
+           dependent: :nullify
+  has_many :sub_categories,
+           class_name: :Category,
+           foreign_key: :parent_category_id,
+           dependent: :nullify,
+           inverse_of: 'parent_category'
+  has_many :associated_categories,
+           class_name: :Category,
+           foreign_key: :associated_category_id,
+           dependent: :nullify,
+           inverse_of: 'root_category'
+  belongs_to :parent_category, class_name: :Category, optional: true
+  belongs_to :root_category,
+             class_name: :Category,
+             foreign_key: :associated_category_id,
+             inverse_of: :associated_categories,
+             optional: true
+
+  before_validation :ensure_account_id
+  validates :account_id, presence: true
+  validates :slug, presence: true
+  validates :name, presence: true
+  validate :allowed_locales
+  validates :locale, uniqueness: { scope: %i[slug portal_id],
+                                   message: I18n.t('errors.categories.locale.unique') }
+  accepts_nested_attributes_for :related_categories
+
+  scope :search_by_locale, ->(locale) { where(locale: locale) if locale.present? }
+
+  def self.search(params)
+    search_by_locale(params[:locale]).page(current_page(params)).order(position: :asc)
+  end
+
+  def self.current_page(params)
+    params[:page] || 1
+  end
+
+  private
+
+  def ensure_account_id
+    self.account_id = portal&.account_id
+  end
+
+  def allowed_locales
+    return if portal.blank?
+
+    allowed_locales = portal.config['allowed_locales']
+
+    return true if allowed_locales.include?(locale)
+
+    errors.add(:locale, "#{locale} of category is not part of portal's #{allowed_locales}.")
+  end
+end