Initial commit: Add logistics and order_detail message types

- Add Logistics component with progress tracking
- Add OrderDetail component for order information
- Support data-driven steps and actions
- Add blue color scale to widget SCSS
- Fix node overflow and progress bar rendering issues
- Add English translations for dashboard components

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

spec/controllers/api/v1/accounts/assignment_policies/inboxes_controller_spec.rb

@@ -0,0 +1,63 @@
+require 'rails_helper'
+
+RSpec.describe 'Assignment Policy Inboxes API', type: :request do
+  let(:account) { create(:account) }
+  let(:assignment_policy) { create(:assignment_policy, account: account) }
+
+  describe 'GET /api/v1/accounts/{account_id}/assignment_policies/{assignment_policy_id}/inboxes' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        get "/api/v1/accounts/#{account.id}/assignment_policies/#{assignment_policy.id}/inboxes"
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated admin' do
+      let(:admin) { create(:user, account: account, role: :administrator) }
+
+      context 'when assignment policy has associated inboxes' do
+        before do
+          inbox1 = create(:inbox, account: account)
+          inbox2 = create(:inbox, account: account)
+          create(:inbox_assignment_policy, inbox: inbox1, assignment_policy: assignment_policy)
+          create(:inbox_assignment_policy, inbox: inbox2, assignment_policy: assignment_policy)
+        end
+
+        it 'returns all inboxes associated with the assignment policy' do
+          get "/api/v1/accounts/#{account.id}/assignment_policies/#{assignment_policy.id}/inboxes",
+              headers: admin.create_new_auth_token,
+              as: :json
+
+          expect(response).to have_http_status(:success)
+          json_response = response.parsed_body
+          expect(json_response['inboxes']).to be_an(Array)
+          expect(json_response['inboxes'].length).to eq(2)
+        end
+      end
+
+      context 'when assignment policy has no associated inboxes' do
+        it 'returns empty array' do
+          get "/api/v1/accounts/#{account.id}/assignment_policies/#{assignment_policy.id}/inboxes",
+              headers: admin.create_new_auth_token,
+              as: :json
+
+          expect(response).to have_http_status(:success)
+          json_response = response.parsed_body
+          expect(json_response['inboxes']).to eq([])
+        end
+      end
+    end
+
+    context 'when it is an agent' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+
+      it 'returns unauthorized' do
+        get "/api/v1/accounts/#{account.id}/assignment_policies/#{assignment_policy.id}/inboxes",
+            headers: agent.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+  end
+end