Applies host theme, style variables, and fonts to the document root.
Subscribes to the runtime's host-context channel for theme,
styles.variables, and styles.css.fonts. Theme-only consumers should use
useViewTheme so locale and dimension updates do not rerender them.
MCP App views render in srcdoc iframes; the document canvas stays transparent
by default so rounded cards do not expose an opaque color-scheme backdrop.
Applies host theme, style variables, and fonts to the document root.
Subscribes to the runtime's host-context channel for theme,
styles.variables, andstyles.css.fonts. Theme-only consumers should use useViewTheme so locale and dimension updates do not rerender them.MCP App views render in srcdoc iframes; the document canvas stays transparent by default so rounded cards do not expose an opaque
color-schemebackdrop.