Title & Big text Updates (#781)

packages/cli/src/ui/App.tsx

@@ -338,7 +338,7 @@ export const App = ({
           key={staticKey}
           items={[
             <Box flexDirection="column" key="header">
-              <Header />
+              <Header title={process.env.GEMINI_CLI_TITLE} />
               <Tips config={config} />
             </Box>,
             ...history.map((h) => (

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

@@ -18,15 +18,19 @@ const asciiArtLogo = `
  ╚═════╝ ╚══════╝╚═╝     ╚═╝╚═╝╚═╝  ╚═══╝╚═╝
 `;
 
-export const Header: React.FC = () => (
+interface HeaderProps {
+  title?: string;
+}
+
+export const Header: React.FC<HeaderProps> = ({ title = asciiArtLogo }) => (
   <>
     <Box marginBottom={1} alignItems="flex-start">
       {Colors.GradientColors ? (
         <Gradient colors={Colors.GradientColors}>
-          <Text>{asciiArtLogo}</Text>
+          <Text>{title}</Text>
         </Gradient>
       ) : (
-        <Text>{asciiArtLogo}</Text>
+        <Text>{title}</Text>
       )}
     </Box>
   </>