feat(workout): 新增锻炼结束监听和个性化通知功能

实现了iOS HealthKit锻炼数据实时监听，当用户完成锻炼时自动发送个性化鼓励通知。包括锻炼类型筛选、时间范围控制、用户偏好设置等完整功能，并提供了测试工具和详细文档。

app/_layout.tsx

@@ -13,6 +13,7 @@ import { notificationService } from '@/services/notifications';
 import { setupQuickActions } from '@/services/quickActions';
 import { initializeWaterRecordBridge } from '@/services/waterRecordBridge';
 import { WaterRecordSource } from '@/services/waterRecords';
+import { workoutMonitorService } from '@/services/workoutMonitor';
 import { store } from '@/store';
 import { fetchMyProfile, setPrivacyAgreed } from '@/store/userSlice';
 import { createWaterRecordAction } from '@/store/waterSlice';
@@ -102,6 +103,18 @@ function Bootstrapper({ children }: { children: React.ReactNode }) {
         initializeWaterRecordBridge();
         console.log('喝水记录 Bridge 初始化成功');
 
+        // 初始化锻炼监听服务
+        const initializeWorkoutMonitoring = async () => {
+          try {
+            await workoutMonitorService.initialize();
+            console.log('锻炼监听服务初始化成功');
+          } catch (error) {
+            console.warn('锻炼监听服务初始化失败:', error);
+          }
+        };
+
+        initializeWorkoutMonitoring();
+
         // 检查并同步Widget数据更改
         const widgetSync = await syncPendingWidgetChanges();
         if (widgetSync.hasPendingChanges && widgetSync.pendingRecords) {
@@ -204,6 +217,7 @@ export default function RootLayout() {
                 <Stack.Screen name="article/[id]" options={{ headerShown: false }} />
                 <Stack.Screen name="water-detail" options={{ headerShown: false }} />
                 <Stack.Screen name="water-settings" options={{ headerShown: false }} />
+                <Stack.Screen name="workout/notification-settings" options={{ headerShown: false }} />
                 <Stack.Screen name="+not-found" />
               </Stack>
               <StatusBar style="dark" />