Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/controllers/dashboard_controller_spec.rb

@@ -0,0 +1,42 @@
+require 'rails_helper'
+
+describe '/app/login', type: :request do
+  context 'without DEFAULT_LOCALE' do
+    it 'renders the dashboard' do
+      get '/app/login'
+      expect(response).to have_http_status(:success)
+    end
+  end
+
+  context 'with DEFAULT_LOCALE' do
+    it 'renders the dashboard' do
+      with_modified_env DEFAULT_LOCALE: 'pt_BR' do
+        get '/app/login'
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include "selectedLocale: 'pt_BR'"
+      end
+    end
+  end
+
+  context 'with non-HTML format' do
+    it 'returns not acceptable for JSON with error message' do
+      get '/app/login', headers: { 'Accept' => 'application/json' }
+      expect(response).to have_http_status(:not_acceptable)
+      expect(response.parsed_body).to eq({ 'error' => 'Please use API routes instead of dashboard routes for JSON requests' })
+    end
+  end
+
+  # Routes are loaded once on app start
+  # hence Rails.application.reload_routes! is used in this spec
+  # ref : https://stackoverflow.com/a/63584877/939299
+  context 'with CW_API_ONLY_SERVER true' do
+    it 'returns 404' do
+      with_modified_env CW_API_ONLY_SERVER: 'true' do
+        Rails.application.reload_routes!
+        get '/app/login'
+        expect(response).to have_http_status(:not_found)
+      end
+      Rails.application.reload_routes!
+    end
+  end
+end