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/jobs/notification/delete_notification_job_spec.rb

@@ -0,0 +1,38 @@
+require 'rails_helper'
+
+RSpec.describe Notification::DeleteNotificationJob do
+  let(:user) { create(:user) }
+  let(:conversation) { create(:conversation) }
+
+  context 'when enqueuing the job' do
+    it 'enqueues the job to delete all notifications' do
+      expect do
+        described_class.perform_later(user.id, type: :all)
+      end.to have_enqueued_job(described_class).on_queue('low')
+    end
+
+    it 'enqueues the job to delete read notifications' do
+      expect do
+        described_class.perform_later(user.id, type: :read)
+      end.to have_enqueued_job(described_class).on_queue('low')
+    end
+  end
+
+  context 'when performing the job' do
+    before do
+      create(:notification, user: user, read_at: nil)
+      create(:notification, user: user, read_at: Time.current)
+    end
+
+    it 'deletes all notifications' do
+      described_class.perform_now(user, type: :all)
+      expect(user.notifications.count).to eq(0)
+    end
+
+    it 'deletes only read notifications' do
+      described_class.perform_now(user, type: :read)
+      expect(user.notifications.count).to eq(1)
+      expect(user.notifications.where(read_at: nil).count).to eq(1)
+    end
+  end
+end