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/services/whatsapp/channel_creation_service.rb

@@ -0,0 +1,73 @@
+class Whatsapp::ChannelCreationService
+  def initialize(account, waba_info, phone_info, access_token)
+    @account = account
+    @waba_info = waba_info
+    @phone_info = phone_info
+    @access_token = access_token
+  end
+
+  def perform
+    validate_parameters!
+
+    existing_channel = find_existing_channel
+    raise I18n.t('errors.whatsapp.phone_number_already_exists', phone_number: existing_channel.phone_number) if existing_channel
+
+    create_channel_with_inbox
+  end
+
+  private
+
+  def validate_parameters!
+    raise ArgumentError, 'Account is required' if @account.blank?
+    raise ArgumentError, 'WABA info is required' if @waba_info.blank?
+    raise ArgumentError, 'Phone info is required' if @phone_info.blank?
+    raise ArgumentError, 'Access token is required' if @access_token.blank?
+  end
+
+  def find_existing_channel
+    Channel::Whatsapp.find_by(
+      phone_number: @phone_info[:phone_number]
+    )
+  end
+
+  def create_channel_with_inbox
+    ActiveRecord::Base.transaction do
+      channel = build_channel
+      create_inbox(channel)
+      channel
+    end
+  end
+
+  def build_channel
+    Channel::Whatsapp.build(
+      account: @account,
+      phone_number: @phone_info[:phone_number],
+      provider: 'whatsapp_cloud',
+      provider_config: build_provider_config
+    )
+  end
+
+  def build_provider_config
+    {
+      api_key: @access_token,
+      phone_number_id: @phone_info[:phone_number_id],
+      business_account_id: @waba_info[:waba_id],
+      source: 'embedded_signup'
+    }
+  end
+
+  def create_inbox(channel)
+    inbox_name = build_inbox_name
+
+    Inbox.create!(
+      account: @account,
+      name: inbox_name,
+      channel: channel
+    )
+  end
+
+  def build_inbox_name
+    business_name = @phone_info[:business_name] || @waba_info[:business_name]
+    "#{business_name} WhatsApp"
+  end
+end