feat(cli): prototype clean UI toggle and minimal-mode bleed-through (#18683)

packages/cli/src/ui/components/AppHeader.tsx

@@ -17,9 +17,10 @@ import { useTips } from '../hooks/useTips.js';
 
 interface AppHeaderProps {
   version: string;
+  showDetails?: boolean;
 }
 
-export const AppHeader = ({ version }: AppHeaderProps) => {
+export const AppHeader = ({ version, showDetails = true }: AppHeaderProps) => {
   const settings = useSettings();
   const config = useConfig();
   const { nightly, terminalWidth, bannerData, bannerVisible } = useUIState();
@@ -27,6 +28,14 @@ export const AppHeader = ({ version }: AppHeaderProps) => {
   const { bannerText } = useBanner(bannerData);
   const { showTips } = useTips();
 
+  if (!showDetails) {
+    return (
+      <Box flexDirection="column">
+        <Header version={version} nightly={false} />
+      </Box>
+    );
+  }
+
   return (
     <Box flexDirection="column">
       {!(settings.merged.ui.hideBanner || config.getScreenReader()) && (