Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/models/agent_bot_inbox_spec.rb

@@ -0,0 +1,13 @@
+require 'rails_helper'
+
+RSpec.describe AgentBotInbox do
+  describe 'validations' do
+    it { is_expected.to validate_presence_of(:inbox_id) }
+    it { is_expected.to validate_presence_of(:agent_bot_id) }
+  end
+
+  describe 'associations' do
+    it { is_expected.to belong_to(:agent_bot) }
+    it { is_expected.to belong_to(:inbox) }
+  end
+end