Restructure omni services and add Chatwoot research snapshot

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

@@ -0,0 +1,38 @@
+require 'rails_helper'
+
+RSpec.describe Company, type: :model do
+  context 'with validations' do
+    it { is_expected.to validate_presence_of(:account_id) }
+    it { is_expected.to validate_presence_of(:name) }
+    it { is_expected.to validate_length_of(:name).is_at_most(100) }
+    it { is_expected.to validate_length_of(:description).is_at_most(1000) }
+
+    describe 'domain validation' do
+      it { is_expected.to allow_value('example.com').for(:domain) }
+      it { is_expected.to allow_value('sub.example.com').for(:domain) }
+      it { is_expected.to allow_value('').for(:domain) }
+      it { is_expected.to allow_value(nil).for(:domain) }
+      it { is_expected.not_to allow_value('invalid-domain').for(:domain) }
+      it { is_expected.not_to allow_value('.example.com').for(:domain) }
+    end
+  end
+
+  context 'with associations' do
+    it { is_expected.to belong_to(:account) }
+    it { is_expected.to have_many(:contacts).dependent(:nullify) }
+  end
+
+  describe 'scopes' do
+    let(:account) { create(:account) }
+    let!(:company_b) { create(:company, name: 'B Company', account: account) }
+    let!(:company_a) { create(:company, name: 'A Company', account: account) }
+    let!(:company_c) { create(:company, name: 'C Company', account: account) }
+
+    describe '.ordered_by_name' do
+      it 'orders companies by name alphabetically' do
+        companies = described_class.where(account: account).ordered_by_name
+        expect(companies.map(&:name)).to eq([company_a.name, company_b.name, company_c.name])
+      end
+    end
+  end
+end