Build the context-menu model for a right-click on a PAGE CHIP in the page strip:
Rename (routes to the strip's existing inline-rename editor) and Delete (guarded by
the engine's last-page rule via WhiteboardPageContextMenuOptions.CanDelete).
Read-only boards get an empty model — the caller shows no menu at all.
Build the context-menu model for a right-click on a PAGE CHIP in the page strip: Rename (routes to the strip's existing inline-rename editor) and Delete (guarded by the engine's last-page rule via WhiteboardPageContextMenuOptions.CanDelete). Read-only boards get an empty model — the caller shows no menu at all.