Creates an instance of AnnounceSubtitleCommand.
The application context.
The text view model.
The audio service.
The text service for mode-aware formatting.
The display service for scope management.
Protected ReadonlycontextProtected ReadonlytextProtected ReadonlyaudioProtected ReadonlytextProtected ReadonlydisplayProtectedrestoreRestores the scope to the previous scope before entering label mode. Uses DisplayService to properly manage the focus stack and restore the correct scope (TRACE, BRAILLE, etc.) regardless of which scope was active before entering label mode.
Executes the command to display the subtitle. Accesses subtitle from the figure level via Context, since subtitle is a figure-level property not available on trace state.
Command to describe the subtitle of the figure.