Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/services/tiktok/read_status_service_spec.rb

@@ -0,0 +1,35 @@
+require 'rails_helper'
+
+RSpec.describe Tiktok::ReadStatusService do
+  let(:account) { create(:account) }
+  let(:channel) { create(:channel_tiktok, account: account, business_id: 'biz-123') }
+  let(:inbox) { channel.inbox }
+  let(:contact) { create(:contact, account: account) }
+  let(:contact_inbox) { create(:contact_inbox, inbox: inbox, contact: contact, source_id: 'tt-conv-1') }
+  let!(:conversation) do
+    create(
+      :conversation,
+      account: account,
+      inbox: inbox,
+      contact: contact,
+      contact_inbox: contact_inbox,
+      additional_attributes: { conversation_id: 'tt-conv-1' }
+    )
+  end
+
+  describe '#perform' do
+    it 'enqueues Conversations::UpdateMessageStatusJob for inbound read events' do
+      allow(Conversations::UpdateMessageStatusJob).to receive(:perform_later)
+
+      content = {
+        conversation_id: 'tt-conv-1',
+        read: { last_read_timestamp: 1_700_000_000_000 },
+        from_user: { id: 'user-1' }
+      }.deep_symbolize_keys
+
+      described_class.new(channel: channel, content: content).perform
+
+      expect(Conversations::UpdateMessageStatusJob).to have_received(:perform_later).with(conversation.id, kind_of(Time))
+    end
+  end
+end