Admin PanelInternal dashboard for catalog management, order processing, and administrationAdmin Panel OverviewDashboard features and capabilitiesArchitectureTechnical architecture and patternsSubdomain SetupAdmin subdomain configurationEnvironmentEnvironment variables and configurationTestingFrontend testing strategy with Vitest for unit tests, Playwright for E2E, and benchmarking infrastructure.Admin Panel OverviewInternal dashboard for catalog management, order processing, health monitoring, and user administration.