fix: 消除 UltraplanChoiceDialog 中的 wheelDown/wheelUp as any

Ink Key 类型已包含 wheelDown/wheelUp 属性，直接访问即可。

Author: claude-code-best

src/components/ultraplan/UltraplanChoiceDialog.tsx

@@ -87,11 +87,11 @@ export function UltraplanChoiceDialog({
     if (!isScrollable) return;
     const halfPage = Math.max(1, Math.floor(visibleHeight / 2));
 
-    if ((key.ctrl && input === 'd') || (key as any).wheelDown) {
-      const step = (key as any).wheelDown ? 3 : halfPage;
+    if ((key.ctrl && input === 'd') || key.wheelDown) {
+      const step = key.wheelDown ? 3 : halfPage;
       setScrollOffset(prev => Math.min(prev + step, maxOffset));
-    } else if ((key.ctrl && input === 'u') || (key as any).wheelUp) {
-      const step = (key as any).wheelUp ? 3 : halfPage;
+    } else if ((key.ctrl && input === 'u') || key.wheelUp) {
+      const step = key.wheelUp ? 3 : halfPage;
       setScrollOffset(prev => Math.max(prev - step, 0));
     }
   });