OptionalcapabilitiesExplicit color capability used for deterministic rendering.
OptionalbackgroundSemantic background token.
OptionalborderSemantic border token.
OptionalthemeSemantic terminal theme.
OptionaltoneSemantic foreground token.
OptionalalignHorizontal alignment applied after overflow handling.
OptionalheightMaximum rendered line count.
OptionalomissionOmission marker used by truncate overflow.
OptionaloverflowHorizontal overflow policy.
OptionaltruncateTruncation position used by truncate overflow.
OptionalverticalVertical alignment applied when both height and width are configured.
OptionalwidthMaximum rendered width measured in terminal cells.
OptionalcontentDynamic region text. ANSI sequences and Blessed tags are removed.
Stateful content and theme data shared by Drawer visual regions.