Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/controllers/twilio/callbacks_controller_spec.rb

@@ -0,0 +1,28 @@
+require 'rails_helper'
+
+RSpec.describe 'Twilio::CallbacksController', type: :request do
+  include Rails.application.routes.url_helpers
+
+  describe 'POST /twilio/callback' do
+    let(:params) do
+      {
+        'From' => '+1234567890',
+        'To' => '+0987654321',
+        'Body' => 'Test message',
+        'AccountSid' => 'AC123',
+        'SmsSid' => 'SM123'
+      }
+    end
+
+    it 'enqueues the Twilio events job' do
+      expect do
+        post twilio_callback_index_url, params: params
+      end.to have_enqueued_job(Webhooks::TwilioEventsJob).with(params)
+    end
+
+    it 'returns no content status' do
+      post twilio_callback_index_url, params: params
+      expect(response).to have_http_status(:no_content)
+    end
+  end
+end