Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/enterprise/jobs/captain/copilot/response_job_spec.rb

@@ -0,0 +1,45 @@
+require 'rails_helper'
+
+RSpec.describe Captain::Copilot::ResponseJob, type: :job do
+  let(:account) { create(:account) }
+  let(:user) { create(:user, account: account) }
+  let(:assistant) { create(:captain_assistant, account: account) }
+  let(:copilot_thread) { create(:captain_copilot_thread, account: account, user: user, assistant: assistant) }
+  let(:conversation_id) { 123 }
+  let(:message) { { 'content' => 'Test message' } }
+
+  describe '#perform' do
+    let(:chat_service) { instance_double(Captain::Copilot::ChatService) }
+
+    before do
+      allow(Captain::Copilot::ChatService).to receive(:new).with(
+        assistant,
+        user_id: user.id,
+        copilot_thread_id: copilot_thread.id,
+        conversation_id: conversation_id
+      ).and_return(chat_service)
+      # When copilot_thread_id is present, message is already in previous_history
+      # so nil is passed to avoid duplicate
+      allow(chat_service).to receive(:generate_response).with(nil)
+    end
+
+    it 'initializes ChatService with correct parameters and calls generate_response' do
+      expect(Captain::Copilot::ChatService).to receive(:new).with(
+        assistant,
+        user_id: user.id,
+        copilot_thread_id: copilot_thread.id,
+        conversation_id: conversation_id
+      )
+      # Message is already persisted in copilot_thread.previous_history,
+      # so we pass nil to prevent duplicate user messages
+      expect(chat_service).to receive(:generate_response).with(nil)
+      described_class.perform_now(
+        assistant: assistant,
+        conversation_id: conversation_id,
+        user_id: user.id,
+        copilot_thread_id: copilot_thread.id,
+        message: message
+      )
+    end
+  end
+end