Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/factories/notification_subscriptions.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :notification_subscription do
+    user
+    identifier { 'test' }
+    subscription_type { 'browser_push' }
+    subscription_attributes { { endpoint: 'test', auth: 'test' } }
+
+    trait :browser_push do
+      subscription_type { 'browser_push' }
+    end
+
+    trait :fcm do
+      subscription_type { 'fcm' }
+    end
+  end
+end