Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/enterprise/models/message_spec.rb

@@ -0,0 +1,26 @@
+require 'rails_helper'
+
+RSpec.describe Message do
+  let!(:conversation) { create(:conversation) }
+
+  it 'updates first reply if the message is human and even if there are messages from captain' do
+    captain_assistant = create(:captain_assistant, account: conversation.account)
+    expect(conversation.first_reply_created_at).to be_nil
+
+    ## There is a difference on how the time is stored in the database and how it is retrieved
+    # This is because of the precision of the time stored in the database
+    # In the test, we will check whether the time is within the range
+    expect(conversation.waiting_since).to be_within(0.000001.seconds).of(conversation.created_at)
+
+    create(:message, message_type: :outgoing, conversation: conversation, sender: captain_assistant)
+
+    # Captain::Assistant responses clear waiting_since (like AgentBot)
+    expect(conversation.first_reply_created_at).to be_nil
+    expect(conversation.waiting_since).to be_nil
+
+    create(:message, message_type: :outgoing, conversation: conversation)
+
+    expect(conversation.first_reply_created_at).not_to be_nil
+    expect(conversation.waiting_since).to be_nil
+  end
+end