feat(client): i18n copy + reco lang refresh + home polish

client/components/ui/SheetModal.tsx

@@ -1,5 +1,6 @@
 import React, { useEffect, useMemo, useState, useRef } from 'react';
 import { Modal, Pressable, StyleSheet, Text, View, PanResponder, Animated as RNAnimated, Dimensions, Image, ImageSourcePropType } from 'react-native';
+import { useTranslation } from 'react-i18next';
 import { useSafeAreaInsets } from 'react-native-safe-area-context';
 import Animated, {
   Easing,
@@ -27,6 +28,7 @@ type Props = {
  * - 高度固定：默认距离顶部固定间距，也支持传入指定高度
  */
 export default function SheetModal({ visible, title, onClose, children, leftIcon, height: customHeight }: Props) {
+  const { t } = useTranslation();
   const insets = useSafeAreaInsets();
   const [mounted, setMounted] = useState(false);
   const progress = useSharedValue(0); // 0: 关闭, 1: 打开
@@ -121,7 +123,7 @@ export default function SheetModal({ visible, title, onClose, children, leftIcon
             </Text>
             <Pressable
               accessibilityRole="button"
-              accessibilityLabel={leftIcon ? "返回" : "关闭"}
+              accessibilityLabel={leftIcon ? t('common.back') : t('common.close')}
               onPress={onClose}
               hitSlop={10}
               style={styles.close}