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>

enterprise/app/services/voice/provider/twilio/conference_service.rb

@@ -0,0 +1,46 @@
+class Voice::Provider::Twilio::ConferenceService
+  pattr_initialize [:conversation!, { twilio_client: nil }]
+
+  def ensure_conference_sid
+    existing = conversation.additional_attributes&.dig('conference_sid')
+    return existing if existing.present?
+
+    sid = Voice::Conference::Name.for(conversation)
+    merge_attributes('conference_sid' => sid)
+    sid
+  end
+
+  def mark_agent_joined(user:)
+    merge_attributes(
+      'agent_joined' => true,
+      'joined_at' => Time.current.to_i,
+      'joined_by' => { id: user.id, name: user.name }
+    )
+  end
+
+  def end_conference
+    twilio_client
+      .conferences
+      .list(friendly_name: Voice::Conference::Name.for(conversation), status: 'in-progress')
+      .each { |conf| twilio_client.conferences(conf.sid).update(status: 'completed') }
+  end
+
+  private
+
+  def merge_attributes(attrs)
+    current = conversation.additional_attributes || {}
+    conversation.update!(additional_attributes: current.merge(attrs))
+  end
+
+  def twilio_client
+    @twilio_client ||= ::Twilio::REST::Client.new(account_sid, auth_token)
+  end
+
+  def account_sid
+    @account_sid ||= conversation.inbox.channel.provider_config_hash['account_sid']
+  end
+
+  def auth_token
+    @auth_token ||= conversation.inbox.channel.provider_config_hash['auth_token']
+  end
+end