- Delete EnvironmentsPage, EnvironmentDetailPage, AppDetailPage
- Delete EnvironmentTree and DeploymentStatusBadge components
- Simplify DashboardPage to show tenant info, license status, server link
- Remove environment/app/deployment routes from router
- Remove environment section from sidebar, keep dashboard/license/platform
- Strip API hooks to tenant/license/me only
- Remove environment/app/deployment/observability types
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>