Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/controllers/api/v1/accounts/microsoft/authorization_controller_spec.rb

@@ -0,0 +1,54 @@
+require 'rails_helper'
+
+RSpec.describe 'Microsoft Authorization API', type: :request do
+  let(:account) { create(:account) }
+
+  describe 'POST /api/v1/accounts/{account.id}/microsoft/authorization' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        post "/api/v1/accounts/#{account.id}/microsoft/authorization"
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+      let(:administrator) { create(:user, account: account, role: :administrator) }
+
+      it 'returns unathorized for agent' do
+        post "/api/v1/accounts/#{account.id}/microsoft/authorization",
+             headers: agent.create_new_auth_token,
+             as: :json
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+
+      it 'creates a new authorization and returns the redirect url' do
+        post "/api/v1/accounts/#{account.id}/microsoft/authorization",
+             headers: administrator.create_new_auth_token,
+             as: :json
+
+        expect(response).to have_http_status(:success)
+
+        # Validate URL components
+        url = response.parsed_body['url']
+        uri = URI.parse(url)
+        params = CGI.parse(uri.query)
+
+        expect(url).to start_with('https://login.microsoftonline.com/common/oauth2/v2.0/authorize')
+        expected_scope = [
+          'offline_access https://outlook.office.com/IMAP.AccessAsUser.All ' \
+          'https://outlook.office.com/SMTP.Send openid profile email'
+        ]
+        expect(params['scope']).to eq(expected_scope)
+        expect(params['redirect_uri']).to eq(["#{ENV.fetch('FRONTEND_URL', 'http://localhost:3000')}/microsoft/callback"])
+
+        # Validate state parameter exists and can be decoded back to the account
+        expect(params['state']).to be_present
+        decoded_account = GlobalID::Locator.locate_signed(params['state'].first, for: 'default')
+        expect(decoded_account).to eq(account)
+      end
+    end
+  end
+end