refactor(RunnerModal): 替换窗口尺寸获取逻辑以精简代码

移除原有的window尺寸状态和手动监听的订阅逻辑，改用useWindowDimensions hook获取窗口尺寸，减少冗余代码

apps/app_order_box/kits/motion_reminder/components/RunnerModal.tsx

@@ -1,12 +1,11 @@
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import React, { useCallback, useEffect, useMemo } from 'react';
 import {
   Alert,
-  Dimensions,
   Modal,
-  ScaledSize,
   StyleSheet,
   Text,
   TouchableOpacity,
+  useWindowDimensions,
   View,
 } from 'react-native';
 import { useKeepAwake } from 'expo-keep-awake';
@@ -33,22 +32,9 @@ export const RunnerModal: React.FC<RunnerModalProps> = ({ runner, onClose }) =>
   // 保持屏幕常亮
   useKeepAwake();
 
-  const [windowSize, setWindowSize] = useState<ScaledSize>(() => Dimensions.get('window'));
-  useEffect(() => {
-    const listener = ({ window }: { window: ScaledSize }) => setWindowSize(window);
-    const subscription = Dimensions.addEventListener('change', listener);
-    return () => {
-      if (subscription && typeof subscription.remove === 'function') {
-        subscription.remove();
-      } else {
-        try {
-          Dimensions.removeEventListener('change', listener);
-        } catch (e) { /* noop */ }
-      }
-    };
-  }, []);
-  const isLandscape = useMemo(() => windowSize.width > windowSize.height, [windowSize]);
-  const isWide = windowSize.width >= 900;
+  const { width: windowWidth, height: windowHeight } = useWindowDimensions();
+  const isLandscape = useMemo(() => windowWidth > windowHeight, [windowWidth, windowHeight]);
+  const isWide = windowWidth >= 900;
   const splitMode = isLandscape || isWide;
 
   // 进入后台时保存状态