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>

spec/requests/api/v1/integrations/webhooks_request_spec.rb

@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+RSpec.describe 'Api::V1::Integrations::Webhooks' do
+  describe 'POST /api/v1/integrations/webhooks' do
+    it 'consumes webhook' do
+      builder = Integrations::Slack::IncomingMessageBuilder.new({})
+      expect(builder).to receive(:perform).and_return(true)
+
+      expect(Integrations::Slack::IncomingMessageBuilder).to receive(:new).and_return(builder)
+
+      post '/api/v1/integrations/webhooks', params: {}
+      expect(response).to have_http_status(:success)
+    end
+  end
+end