refactor: remove width prop from Card component and add as const to test array.

packages/cli/src/ui/components/shared/Card.test.tsx

@@ -17,6 +17,7 @@ describe('Card', () => {
       suffix: '0.26.0 → 0.27.0',
       prefix: true,
       body: 'Installed via Homebrew. Please update with "brew upgrade gemini-cli".',
+      width: 40,
     },
     {
       variant: 'information',
@@ -46,17 +47,11 @@ describe('Card', () => {
       prefix: true,
       body: 'Listed 39 item(s).',
     },
-  ])(
+  ] as const)(
     'renders a $variant card with prefix=$prefix',
     ({ variant, title, suffix, prefix, body }) => {
       const { lastFrame } = render(
-        <Card
+        <Card variant={variant} title={title} suffix={suffix} prefix={prefix}>
-          variant={variant}
-          title={title}
-          suffix={suffix}
-          prefix={prefix}
-          width={80}
-        >
           <Text>{body}</Text>
         </Card>,
       );

packages/cli/src/ui/components/shared/Card.tsx

@@ -23,7 +23,6 @@ export interface CardProps {
   children?: React.ReactNode;
   /** The styling and intent of the card. */
   variant?: 'information' | 'success' | 'warning' | 'error' | 'confirmation';
-  width?: number | string;
 }
 
 const CardDisplay: React.FC<CardProps> = ({