fix: focus xterm terminal on tap instead of hidden input

- Use term.focus() instead of hidden input focus
- This ensures keyboard opens properly when tapping anywhere on terminal

apps/web/src/components/terminal.tsx

@@ -275,10 +275,10 @@ export const TerminalComponent: React.FC<TerminalProps> = ({
     }
   };
 
-  // Focus hidden input on mobile to keep keyboard open
+  // Focus terminal on mobile to keep keyboard open
   const handleTerminalClick = () => {
-    if (isMobile && hiddenInputRef.current) {
+    if (isMobile && termRef.current) {
-      hiddenInputRef.current.focus();
+      termRef.current.focus();
     }
   };