Shipped 2026-09-28: ArticleLayout, WelcomeLayout, CategoryLayout, CatalogItemLayout as Settings in Scope.PageTemplates (SharePoint's page layouts as data; the Image web part has no URL source, so an article's hero image is Markdown in the body). Served: Tool.MakePage template=ArticleLayout made /sites/Hub/Pages/sharepoint-mode (200, the Related zone rendered).