Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/services/widget/token_service_expiry_spec.rb

@@ -0,0 +1,42 @@
+require 'rails_helper'
+
+RSpec.describe Widget::TokenService, type: :service do
+  describe 'token expiry configuration' do
+    let(:service) { described_class.new(payload: {}) }
+
+    before do
+      # Clear any existing configs to ensure test isolation
+      InstallationConfig.where(name: 'WIDGET_TOKEN_EXPIRY').destroy_all
+    end
+
+    context 'with valid configuration' do
+      before do
+        create(:installation_config, name: 'WIDGET_TOKEN_EXPIRY', value: '30')
+      end
+
+      it 'uses the configured value for token expiry' do
+        travel_to '2025-01-01' do
+          token = service.generate_token
+          decoded = JWT.decode(token, Rails.application.secret_key_base, true, algorithm: 'HS256').first
+          expect(decoded['iat']).to eq(Time.zone.now.to_i)
+          expect(decoded['exp']).to eq(Time.zone.now.to_i + 30.days.to_i)
+        end
+      end
+    end
+
+    context 'with empty configuration' do
+      before do
+        create(:installation_config, name: 'WIDGET_TOKEN_EXPIRY', value: '')
+      end
+
+      it 'uses the default expiry' do
+        travel_to '2025-01-01' do
+          token = service.generate_token
+          decoded = JWT.decode(token, Rails.application.secret_key_base, true, algorithm: 'HS256').first
+          expect(decoded['iat']).to eq(Time.zone.now.to_i)
+          expect(decoded['exp']).to eq(Time.zone.now.to_i + 180.days.to_i)
+        end
+      end
+    end
+  end
+end