feat(health): 新增手腕温度监测和经期双向同步功能

新增手腕温度健康数据追踪，支持Apple Watch睡眠手腕温度数据展示和30天历史趋势分析
实现经期数据与HealthKit的完整双向同步，支持读取、写入和删除经期记录
优化经期预测算法，基于历史数据计算更准确的周期和排卵日预测
重构经期UI组件为模块化结构，提升代码可维护性
添加完整的中英文国际化支持，覆盖所有新增功能界面

i18n/en/menstrual.ts

@@ -0,0 +1,37 @@
+export const menstrual = {
+  dateFormatShort: 'MMM D',
+  card: {
+    title: 'Menstrual cycle',
+    syncingState: 'Syncing',
+    syncingDesc: 'Reading menstrual data…',
+    emptyState: 'Not logged',
+    emptyDesc: 'Tap to record this period',
+    periodState: 'Period',
+    predictedPeriodState: 'Predicted period',
+    periodEndToday: 'Expected to end today ({{date}})',
+    periodEndPrefix: 'Ends in ',
+    periodEndSuffix: ' days ({{date}})',
+    fertileState: 'Fertile window',
+    fertileToday: 'Fertile window starts today',
+    fertileCountdownPrefix: 'Enters fertile window in ',
+    fertileCountdownSuffix: ' days',
+    ovulationState: 'Ovulation',
+    ovulationToday: 'Today is ovulation day',
+    ovulationCountdownPrefix: 'Ovulation in ',
+    ovulationCountdownSuffix: ' days',
+    nextPeriodPrefix: 'Next period in ',
+    nextPeriodSuffix: ' days',
+  },
+  screen: {
+    header: 'Menstrual Cycle',
+    tabs: {
+      cycle: 'Cycle',
+      analysis: 'Analysis',
+    },
+    analysis: {
+      title: 'Analysis',
+      description:
+        'Based on the latest 6 cycles, we will calculate average period and cycle length. Trends and prediction accuracy will be shown here.',
+    },
+  },
+};