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/services/linear/activity_message_service_spec.rb

@@ -0,0 +1,174 @@
+require 'rails_helper'
+
+RSpec.describe Linear::ActivityMessageService, type: :service do
+  let(:account) { create(:account) }
+  let(:inbox) { create(:inbox, account: account) }
+  let(:conversation) { create(:conversation, account: account, inbox: inbox) }
+  let(:user) { create(:user, account: account) }
+
+  describe '#perform' do
+    context 'when action_type is issue_created' do
+      let(:service) do
+        described_class.new(
+          conversation: conversation,
+          action_type: :issue_created,
+          issue_data: { id: 'ENG-123' },
+          user: user
+        )
+      end
+
+      it 'enqueues an activity message job' do
+        expect do
+          service.perform
+        end.to have_enqueued_job(Conversations::ActivityMessageJob)
+          .with(conversation, {
+                  account_id: conversation.account_id,
+                  inbox_id: conversation.inbox_id,
+                  message_type: :activity,
+                  content: "Linear issue ENG-123 was created by #{user.name}"
+                })
+      end
+
+      it 'does not enqueue job when issue data lacks id' do
+        service = described_class.new(
+          conversation: conversation,
+          action_type: :issue_created,
+          issue_data: { title: 'Some issue' },
+          user: user
+        )
+
+        expect do
+          service.perform
+        end.not_to have_enqueued_job(Conversations::ActivityMessageJob)
+      end
+
+      it 'does not enqueue job when issue_data is empty' do
+        service = described_class.new(
+          conversation: conversation,
+          action_type: :issue_created,
+          issue_data: {},
+          user: user
+        )
+
+        expect do
+          service.perform
+        end.not_to have_enqueued_job(Conversations::ActivityMessageJob)
+      end
+
+      it 'does not enqueue job when conversation is nil' do
+        service = described_class.new(
+          conversation: nil,
+          action_type: :issue_created,
+          issue_data: { id: 'ENG-123' },
+          user: user
+        )
+
+        expect do
+          service.perform
+        end.not_to have_enqueued_job(Conversations::ActivityMessageJob)
+      end
+
+      it 'does not enqueue job when user is nil' do
+        service = described_class.new(
+          conversation: conversation,
+          action_type: :issue_created,
+          issue_data: { id: 'ENG-123' },
+          user: nil
+        )
+
+        expect do
+          service.perform
+        end.not_to have_enqueued_job(Conversations::ActivityMessageJob)
+      end
+    end
+
+    context 'when action_type is issue_linked' do
+      let(:service) do
+        described_class.new(
+          conversation: conversation,
+          action_type: :issue_linked,
+          issue_data: { id: 'ENG-456' },
+          user: user
+        )
+      end
+
+      it 'enqueues an activity message job' do
+        expect do
+          service.perform
+        end.to have_enqueued_job(Conversations::ActivityMessageJob)
+          .with(conversation, {
+                  account_id: conversation.account_id,
+                  inbox_id: conversation.inbox_id,
+                  message_type: :activity,
+                  content: "Linear issue ENG-456 was linked by #{user.name}"
+                })
+      end
+
+      it 'does not enqueue job when issue data lacks id' do
+        service = described_class.new(
+          conversation: conversation,
+          action_type: :issue_linked,
+          issue_data: { title: 'Some issue' },
+          user: user
+        )
+
+        expect do
+          service.perform
+        end.not_to have_enqueued_job(Conversations::ActivityMessageJob)
+      end
+    end
+
+    context 'when action_type is issue_unlinked' do
+      let(:service) do
+        described_class.new(
+          conversation: conversation,
+          action_type: :issue_unlinked,
+          issue_data: { id: 'ENG-789' },
+          user: user
+        )
+      end
+
+      it 'enqueues an activity message job' do
+        expect do
+          service.perform
+        end.to have_enqueued_job(Conversations::ActivityMessageJob)
+          .with(conversation, {
+                  account_id: conversation.account_id,
+                  inbox_id: conversation.inbox_id,
+                  message_type: :activity,
+                  content: "Linear issue ENG-789 was unlinked by #{user.name}"
+                })
+      end
+
+      it 'does not enqueue job when issue data lacks id' do
+        service = described_class.new(
+          conversation: conversation,
+          action_type: :issue_unlinked,
+          issue_data: { title: 'Some issue' },
+          user: user
+        )
+
+        expect do
+          service.perform
+        end.not_to have_enqueued_job(Conversations::ActivityMessageJob)
+      end
+    end
+
+    context 'when action_type is unknown' do
+      let(:service) do
+        described_class.new(
+          conversation: conversation,
+          action_type: :unknown_action,
+          issue_data: { id: 'ENG-999' },
+          user: user
+        )
+      end
+
+      it 'does not enqueue job for unknown action types' do
+        expect do
+          service.perform
+        end.not_to have_enqueued_job(Conversations::ActivityMessageJob)
+      end
+    end
+  end
+end