feat(i18n): 添加国际化支持和中英文切换功能

- 实现完整的中英文国际化系统，支持动态语言切换
- 新增健康数据权限说明页面，提供HealthKit数据使用说明
- 为服药记录添加庆祝动画效果，提升用户体验
- 优化药品添加页面的阴影效果和视觉层次
- 更新个人页面以支持多语言显示和语言选择模态框

app/(tabs)/medications.tsx

@@ -1,4 +1,5 @@
 import { DateSelector } from '@/components/DateSelector';
+import CelebrationAnimation, { CelebrationAnimationRef } from '@/components/CelebrationAnimation';
 import { MedicationCard } from '@/components/medication/MedicationCard';
 import { ThemedText } from '@/components/ThemedText';
 import { IconSymbol } from '@/components/ui/IconSymbol';
@@ -15,7 +16,7 @@ import { GlassView, isLiquidGlassAvailable } from 'expo-glass-effect';
 import { Image } from 'expo-image';
 import { LinearGradient } from 'expo-linear-gradient';
 import { router } from 'expo-router';
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import {
   ScrollView,
   StyleSheet,
@@ -39,6 +40,9 @@ export default function MedicationsScreen() {
   const [selectedDate, setSelectedDate] = useState<Dayjs>(dayjs());
   const [selectedDateIndex, setSelectedDateIndex] = useState<number>(selectedDate.date() - 1);
   const [activeFilter, setActiveFilter] = useState<MedicationFilter>('all');
+  const celebrationRef = useRef<CelebrationAnimationRef>(null);
+  const celebrationTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+  const [isCelebrationVisible, setIsCelebrationVisible] = useState(false);
 
   // 从 Redux 获取数据
   const selectedKey = selectedDate.format('YYYY-MM-DD');
@@ -59,12 +63,36 @@ export default function MedicationsScreen() {
     });
   }, []);
 
+  const handleMedicationTakenCelebration = useCallback(() => {
+    if (celebrationTimerRef.current) {
+      clearTimeout(celebrationTimerRef.current);
+    }
+
+    setIsCelebrationVisible(true);
+
+    requestAnimationFrame(() => {
+      celebrationRef.current?.play();
+    });
+
+    celebrationTimerRef.current = setTimeout(() => {
+      setIsCelebrationVisible(false);
+    }, 2400);
+  }, []);
+
   // 加载药物和记录数据
   useEffect(() => {
     dispatch(fetchMedications());
     dispatch(fetchMedicationRecords({ date: selectedKey }));
   }, [dispatch, selectedKey]);
 
+  useEffect(() => {
+    return () => {
+      if (celebrationTimerRef.current) {
+        clearTimeout(celebrationTimerRef.current);
+      }
+    };
+  }, []);
+
   // 页面聚焦时刷新数据，确保从添加页面返回时能看到最新数据
   useFocusEffect(
     useCallback(() => {
@@ -126,6 +154,9 @@ export default function MedicationsScreen() {
 
   return (
     <View style={styles.container}>
+      {isCelebrationVisible ? (
+        <CelebrationAnimation ref={celebrationRef} visible={isCelebrationVisible} />
+      ) : null}
       {/* 背景渐变 */}
       <LinearGradient
         colors={['#f5e5fbff', '#edf4f4ff', '#ffffff']}
@@ -278,6 +309,7 @@ export default function MedicationsScreen() {
                 colors={colors}
                 selectedDate={selectedDate}
                 onOpenDetails={() => handleOpenMedicationDetails(item.medicationId)}
+                onCelebrate={handleMedicationTakenCelebration}
               />
             ))}
           </View>