fix(footer): truncate hints/mode row to prevent extra lines

Wrap leftBottomContent in Text with wrap="truncate" so the
hints/mode row stays on a single line, matching upstream behavior.
This guarantees the footer is at most 2 rows (status line + hints).

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

@@ -122,7 +122,7 @@ export const Footer: React.FC = () => {
             {statusLineText}
           </Text>
         )}
-        {leftBottomContent}
+        <Text wrap="truncate">{leftBottomContent}</Text>
       </Box>
 
       {/* Right Section — never compressed */}