feat(app): add burial points

@@ -25,7 +25,7 @@ class ActivityBurnReportView extends StatelessWidget {
 
   final ActivityBurnReportLogic logic;
   final bool isVip;
-  final VoidCallback onSubscribe;
+  final ValueChanged<String> onSubscribe;
 
   @override
   Widget build(BuildContext context) {
@@ -47,7 +47,7 @@ class ActivityBurnReportView extends StatelessWidget {
                         lockedPeriods: isVip
                             ? const {}
                             : const {ReportPeriod.week, ReportPeriod.month},
-                        onLockedPeriodTap: (_) => onSubscribe(),
+                        onLockedPeriodTap: (_) => onSubscribe('非会员切换月周-活动消耗'),
                       ),
                     ),
                     const SizedBox(height: 8),

 import 'package:doublefeel_flutter/data/models/friend/friend_models.dart';
 import 'package:get/get.dart';
 
+import '../../health_trend/controllers/health_trend_analytics.dart';
 import '../../health_trend/controllers/health_trend_control.dart';
 import '../../report_common/models/health_report_query.dart';
 import '../../report_common/models/report_period.dart';
@@ -32,6 +33,7 @@ class FriendTrendController extends GetxController with HealthTrendControl {
   }
 
   final FriendItem? friendItem;
+  bool _isPageReady = false;
 
   HealthReportQuery get query => HealthReportQuery(
         targetUserId: friendItem?.friendUserId,
@@ -44,4 +46,27 @@ class FriendTrendController extends GetxController with HealthTrendControl {
         period: periodForType(typeIndex),
         date: dateForType(typeIndex),
       );
+
+  @override
+  void onReady() {
+    super.onReady();
+    _isPageReady = true;
+    _trackEnterPage();
+  }
+
+  @override
+  void changeType(int index) {
+    final previousIndex = selectedTypeIndex.value;
+    super.changeType(index);
+    if (_isPageReady && selectedTypeIndex.value != previousIndex) {
+      _trackEnterPage();
+    }
+  }
+
+  void _trackEnterPage() {
+    HealthTrendAnalytics.trackEnterPage(
+      selectedTypeIndex.value,
+      userRole: '好友的',
+    );
+  }
 }

@@ -8,6 +8,7 @@ import 'package:doublefeel_flutter/core/error/app_error.dart';
 import 'package:doublefeel_flutter/core/logging/app_logger.dart';
 import 'package:doublefeel_flutter/core/network/api/friend_api.dart';
 import 'package:doublefeel_flutter/core/network/api/health_api.dart';
+import 'package:doublefeel_flutter/core/services/thinking_data_service.dart';
 import 'package:doublefeel_flutter/core/util/app_toast.dart';
 import 'package:doublefeel_flutter/data/models/health/health_v2_models.dart';
 import 'package:doublefeel_flutter/l10n/l10n_extensions.dart';
@@ -43,6 +44,7 @@ class FriendsController extends GetxController {
   final isSelfHealthLoading = false.obs;
   Future<void>? _friendsRequest;
   Future<void>? _selfHealthRequest;
+  bool _isPageVisible = false;
 
   bool get isFull => friends.length >= maxFriends;
 
@@ -52,6 +54,16 @@ class FriendsController extends GetxController {
     unawaited(refreshData());
   }
 
+  void markPageVisible() {
+    if (_isPageVisible) return;
+    _isPageVisible = true;
+    ta.track('enter_doublefeel_friend_page');
+  }
+
+  void markPageHidden() {
+    _isPageVisible = false;
+  }
+
   Future<void> refreshData() {
     return Future.wait([loadFriends(), loadSelfHealth()]);
   }

@@ -246,7 +246,7 @@ class FriendsTab extends GetView<FriendsController> {
     final String name = type.toString();
     await Get.toNamed(
       AppRoutes.bindPartner,
-      arguments: {IntentKeys.keyFrom: name},
+      arguments: {IntentKeys.keyFrom: name, IntentKeys.channelType: '好友页'},
     );
     await controller.loadFriends();
   }

+import 'package:doublefeel_flutter/core/services/thinking_data_service.dart';
+
+class HealthTrendAnalytics {
+  const HealthTrendAnalytics._();
+
+  static void trackEnterPage(int typeIndex, {required String userRole}) {
+    final eventName = switch (typeIndex) {
+      1 => 'enter_doublefeel_activity_cost_page',
+      2 => 'enter_doublefeel_sleep_report_page',
+      _ => 'enter_doublefeel_hrv_page',
+    };
+    ta.track(
+      eventName,
+      properties: {'user_role': userRole},
+    );
+  }
+}

 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
+import '../../../../core/constants/intent_keys.dart';
 import '../../../../data/local/user_preferences_storage.dart';
 import '../../../routes/app_pages.dart';
 import '../../activity_burn_report/controllers/activity_burn_report_logic.dart';
@@ -99,7 +100,10 @@ class _HealthTrendContentState extends State<HealthTrendContent>
       final preferences = userPrefs.preferences.value;
       final vipInfo = preferences.vipInfo;
       final isVip = vipInfo?.isVip ?? false;
-      void openPurchase() => Get.toNamed(Routes.PURCHASE);
+      void openPurchase(String channelType) => Get.toNamed(
+            Routes.PURCHASE,
+            arguments: {IntentKeys.channelType: channelType},
+          );
 
       return HealthReportSubjectScope(
         isSelf: widget.query.isSelf,
@@ -158,7 +162,7 @@ class _HrvTrendSection extends StatefulWidget {
 
   final HealthReportQuery query;
   final bool isVip;
-  final VoidCallback onSubscribe;
+  final ValueChanged<String> onSubscribe;
   final ValueChanged<ReportPeriod> onPeriodChanged;
   final ValueChanged<DateTime> onDateChanged;
 
@@ -231,7 +235,7 @@ class _ActivityBurnTrendSection extends StatefulWidget {
 
   final HealthReportQuery query;
   final bool isVip;
-  final VoidCallback onSubscribe;
+  final ValueChanged<String> onSubscribe;
   final ValueChanged<ReportPeriod> onPeriodChanged;
   final ValueChanged<DateTime> onDateChanged;
 
@@ -307,7 +311,7 @@ class _SleepTrendSection extends StatefulWidget {
 
   final HealthReportQuery query;
   final bool isVip;
-  final VoidCallback onSubscribe;
+  final ValueChanged<String> onSubscribe;
   final ValueChanged<ReportPeriod> onPeriodChanged;
   final ValueChanged<DateTime> onDateChanged;
 

 import 'package:doublefeel_flutter/app/modules/friends/controllers/friend_trend_controller.dart';
+import 'package:doublefeel_flutter/app/modules/friends/controllers/friends_controller.dart';
 import 'package:doublefeel_flutter/core/network/api/friend_api.dart';
-import 'package:doublefeel_flutter/core/network/api/user_api.dart';
 import 'package:doublefeel_flutter/core/result/app_result.dart';
 import 'package:doublefeel_flutter/core/services/user_state_service.dart';
 import 'package:doublefeel_flutter/data/local/local_storage.dart';
@@ -20,6 +20,7 @@ import 'trend/trend_controller.dart';
 
 class HomeController extends GetxController {
   static const trendTabIndex = 1;
+  static const friendsTabIndex = 2;
   static const _mainChannel = MethodChannel('doublefeel_flutter_main_channel');
 
   final AppReviewPromptLogic _appReviewPromptLogic = AppReviewPromptLogic(
@@ -106,7 +107,18 @@ class HomeController extends GetxController {
   }
 
   void changeTab(int index) {
+    final previousIndex = selectedIndex.value;
     selectedIndex.value = index;
+    if (index == trendTabIndex && previousIndex != trendTabIndex) {
+      Get.find<TrendController>().markPageVisible();
+    } else if (previousIndex == trendTabIndex && index != trendTabIndex) {
+      Get.find<TrendController>().markPageHidden();
+    }
+    if (index == friendsTabIndex && previousIndex != friendsTabIndex) {
+      Get.find<FriendsController>().markPageVisible();
+    } else if (previousIndex == friendsTabIndex && index != friendsTabIndex) {
+      Get.find<FriendsController>().markPageHidden();
+    }
   }
 
   void openTrend(TrendType type, {DateTime? date, ReportPeriod? period}) {
@@ -199,21 +211,16 @@ class HomeController extends GetxController {
         }
         break;
       case 'trend':
-        changeTab(trendTabIndex);
         final type = params['type'];
-        if (type != null) {
-          SchedulerBinding.instance.addPostFrameCallback((_) {
-            TrendType? trendType = getTrendType(type);
-            if (trendType != null) {
-              openTrend(
-                trendType,
-              );
-            }
-          });
+        final trendType = type == null ? null : getTrendType(type);
+        if (trendType != null) {
+          openTrend(trendType);
+        } else {
+          changeTab(trendTabIndex);
         }
         break;
       case 'friends':
-        changeTab(2);
+        changeTab(friendsTabIndex);
         break;
       case 'my':
         changeTab(3);

 import 'package:get/get.dart';
 
+import '../../../health_trend/controllers/health_trend_analytics.dart';
 import '../../../health_trend/controllers/health_trend_control.dart';
 import '../../../report_common/models/health_report_query.dart';
 import '../../../report_common/models/report_period.dart';
@@ -15,6 +16,8 @@ enum TrendType {
 /// 趋势页顶层 Controller，仅负责：
 /// 顶层 HRV / 活动 / 睡眠 类型切换 (selectedTypeIndex)
 class TrendController extends GetxController with HealthTrendControl {
+  bool _isPageVisible = false;
+
   // 当前查看的用户。null 表示查看自己；非 null 表示查看指定用户。
   final targetUserId = RxnInt();
 
@@ -30,6 +33,15 @@ class TrendController extends GetxController with HealthTrendControl {
         date: dateForType(typeIndex),
       );
 
+  @override
+  void changeType(int index) {
+    final previousIndex = selectedTypeIndex.value;
+    super.changeType(index);
+    if (_isPageVisible && selectedTypeIndex.value != previousIndex) {
+      _trackEnterPage();
+    }
+  }
+
   void selectType(TrendType type, {DateTime? date, ReportPeriod? period}) {
     changeType(type.tabIndex);
     if (period != null) {
@@ -44,4 +56,21 @@ class TrendController extends GetxController with HealthTrendControl {
     if (userId == targetUserId.value) return;
     targetUserId.value = userId;
   }
+
+  void markPageVisible() {
+    if (_isPageVisible) return;
+    _isPageVisible = true;
+    _trackEnterPage();
+  }
+
+  void markPageHidden() {
+    _isPageVisible = false;
+  }
+
+  void _trackEnterPage() {
+    HealthTrendAnalytics.trackEnterPage(
+      selectedTypeIndex.value,
+      userRole: '我的',
+    );
+  }
 }

@@ -22,7 +22,7 @@ class HrvReportView extends StatelessWidget {
 
   final HrvReportLogic logic;
   final bool isVip;
-  final VoidCallback onSubscribe;
+  final ValueChanged<String> onSubscribe;
 
   @override
   Widget build(BuildContext context) {
@@ -44,20 +44,24 @@ class HrvReportView extends StatelessWidget {
                         lockedPeriods: isVip
                             ? const {}
                             : const {ReportPeriod.month, ReportPeriod.year},
-                        onLockedPeriodTap: (_) => onSubscribe(),
+                        onLockedPeriodTap: (_) => onSubscribe('非会员切换年月-HRV心率'),
                       ),
                     ),
                     const SizedBox(height: 8),
                     Obx(
                       () => ReportDateSwitcher(
                         label: logic.dateLabel,
-                        onPrevious: isVip ? logic.previousDay : onSubscribe,
-                        onNext: isVip ? logic.nextDay : onSubscribe,
+                        onPrevious: isVip
+                            ? logic.previousDay
+                            : () => onSubscribe('非会员切换日期-HRV心率'),
+                        onNext: isVip
+                            ? logic.nextDay
+                            : () => onSubscribe('非会员切换日期-HRV心率'),
                         canPrevious: logic.canGoPrevious,
                         canNext: logic.canGoNext,
                         onTapLabel: isVip
                             ? () => _showDatePicker(context)
-                            : onSubscribe,
+                            : () => onSubscribe('非会员切换日期-HRV心率'),
                       ),
                     ),
                   ],
@@ -82,7 +86,7 @@ class HrvReportView extends StatelessWidget {
                           HrvWeekReportView(
                             report: logic.weeklyReport.value,
                             showExample: !isVip,
-                            onSubscribe: onSubscribe,
+                            onSubscribe: () => onSubscribe('解锁每日压力-HRV心率'),
                           ),
                         ReportBottomSlogan(bottomSpacing: isVip ? 16 : 88),
                       ],
@@ -100,7 +104,9 @@ class HrvReportView extends StatelessWidget {
                       right: 0,
                       bottom: MediaQuery.paddingOf(context).bottom + 24,
                       child: Center(
-                        child: _UnlockButton(onPressed: onSubscribe),
+                        child: _UnlockButton(
+                          onPressed: () => onSubscribe('解锁每日压力-HRV心率'),
+                        ),
                       ),
                     )
                   : const SizedBox.shrink(),

@@ -2,9 +2,11 @@ import 'dart:async';
 
 import 'package:doublefeel_flutter/app/routes/app_pages.dart';
 import 'package:doublefeel_flutter/core/constants/app_const.dart';
+import 'package:doublefeel_flutter/core/constants/intent_keys.dart';
 import 'package:doublefeel_flutter/core/network/api/pay_api.dart';
 import 'package:doublefeel_flutter/core/network/api/vip_api.dart';
 import 'package:doublefeel_flutter/core/result/app_result.dart';
+import 'package:doublefeel_flutter/core/services/thinking_data_service.dart';
 import 'package:doublefeel_flutter/core/util/app_toast.dart';
 import 'package:doublefeel_flutter/data/local/user_preferences_storage.dart';
 import 'package:doublefeel_flutter/data/models/local/user_preferences.dart';
@@ -15,6 +17,8 @@ import 'package:doublefeel_flutter/pigeon/platform_api.g.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
+import '../widgets/refund_explanation_bottom_sheet.dart';
+
 class PurchasePlan {
   const PurchasePlan({
     required this.title,
@@ -54,19 +58,29 @@ class PurchaseController extends GetxController {
   final isRestoring = false.obs;
 
   bool isFromOnboard = false;
+  String channelType = '';
 
   @override
   void onInit() {
     super.onInit();
     final args = Get.arguments;
     if (args is Map) {
-      isFromOnboard = args['from'] == 'onboarding';
+      isFromOnboard = args[IntentKeys.keyFrom] == 'onboarding';
+      channelType = _nonEmpty(_stringArgument(args, IntentKeys.channelType)) ??
+          _nonEmpty(_stringArgument(args, 'channelType')) ??
+          (isFromOnboard ? '新手引导' : '');
     }
     scrollController.addListener(_handleScroll);
     unawaited(loadProductList());
   }
 
   @override
+  void onReady() {
+    super.onReady();
+    _trackEnterVipCenter();
+  }
+
+  @override
   void onClose() {
     planScrollController.dispose();
     scrollController
@@ -108,6 +122,7 @@ class PurchaseController extends GetxController {
   Future<void> restorePurchase() async {
     if (isRestoring.value || isUnlocking.value) return;
 
+    _trackClickVipCenter('恢复购买');
     isRestoring.value = true;
     try {
       final success = await _performRestore();
@@ -122,6 +137,7 @@ class PurchaseController extends GetxController {
   Future<void> unlock() async {
     if (isUnlocking.value || isRestoring.value) return;
 
+    _trackClickVipCenter('立即购买');
     final plan = _selectedPlan;
     final productId = plan?.product?.id;
     final appleProductId = plan?.appleProductId;
@@ -228,6 +244,7 @@ class PurchaseController extends GetxController {
     AppleProductPaymentResult? result,
   ) async {
     if (result?.success == true) {
+      _trackSuccessPayOrder();
       await _completeSuccessfulPurchase();
       return;
     }
@@ -349,7 +366,18 @@ class PurchaseController extends GetxController {
     return trimmed;
   }
 
+  String? _stringArgument(Map args, String key) {
+    final value = args[key];
+    return value is String ? value : null;
+  }
+
+  void openRefundExplanation() {
+    _trackClickVipCenter('了解更多');
+    showRefundExplanationBottomSheet();
+  }
+
   void openContactUs() {
+    _trackClickVipCenter('联系我们');
     Get.toNamed(Routes.SUBMIT_FEEDBACK);
   }
 
@@ -366,4 +394,36 @@ class PurchaseController extends GetxController {
       parameters: {'url': AppConst.privacyPolicy},
     );
   }
+
+  Map<String, dynamic> get _baseAnalyticsProperties =>
+      {'channel_type': channelType};
+
+  void _trackEnterVipCenter() {
+    ta.track(
+      'enter_doublefeel_vip_center',
+      properties: _baseAnalyticsProperties,
+    );
+  }
+
+  void _trackClickVipCenter(String clickContent) {
+    ta.track(
+      'click_doublefeel_vip_center',
+      properties: {
+        ..._baseAnalyticsProperties,
+        'click_content': clickContent,
+      },
+    );
+  }
+
+  void _trackSuccessPayOrder() {
+    final plan = _selectedPlan;
+    ta.track(
+      'success_doublefeel_pay_order',
+      properties: {
+        ..._baseAnalyticsProperties,
+        'product_type': plan?.product?.appleId,
+        'price': plan?.product?.price,
+      },
+    );
+  }
 }

@@ -10,7 +10,6 @@ import '../purchase_route_args.dart';
 import '../widgets/purchase_bottom_bar.dart';
 import '../widgets/purchase_colors.dart';
 import '../widgets/purchase_plan_card.dart';
-import '../widgets/refund_explanation_bottom_sheet.dart';
 
 class PurchaseView extends GetView<PurchaseController> {
   const PurchaseView({super.key});
@@ -18,79 +17,79 @@ class PurchaseView extends GetView<PurchaseController> {
   @override
   Widget build(BuildContext context) {
     return PopScope(
-      canPop: !controller.isFromOnboard,
-      onPopInvokedWithResult: (didPop, _) {
-        if (!didPop) controller.onBackPressed();
-      },
-      child: AnnotatedRegion<SystemUiOverlayStyle>(
-        value: const SystemUiOverlayStyle(
-          statusBarColor: Colors.transparent,
-          statusBarIconBrightness: Brightness.dark,
-          statusBarBrightness: Brightness.light,
-          systemNavigationBarColor: PurchaseColors.background,
-          systemNavigationBarIconBrightness: Brightness.dark,
-        ),
-        child: Scaffold(
-          backgroundColor: PurchaseColors.background,
-        body: Stack(
-          children: [
-            Positioned.fill(
-              child: SingleChildScrollView(
-                controller: controller.scrollController,
-                physics: const ClampingScrollPhysics(),
-                padding: const EdgeInsets.only(bottom: 170),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    const _HeroHeader(),
-                    Padding(
-                      padding: const EdgeInsets.only(left: 18, top: 9),
-                      child: Text(
-                        context.l10n.purchaseHeroTitle,
-                        style: const TextStyle(
-                          color: Colors.black,
-                          fontSize: 24,
-                          fontWeight: FontWeight.w600,
-                          height: 1.2,
+        canPop: !controller.isFromOnboard,
+        onPopInvokedWithResult: (didPop, _) {
+          if (!didPop) controller.onBackPressed();
+        },
+        child: AnnotatedRegion<SystemUiOverlayStyle>(
+          value: const SystemUiOverlayStyle(
+            statusBarColor: Colors.transparent,
+            statusBarIconBrightness: Brightness.dark,
+            statusBarBrightness: Brightness.light,
+            systemNavigationBarColor: PurchaseColors.background,
+            systemNavigationBarIconBrightness: Brightness.dark,
+          ),
+          child: Scaffold(
+            backgroundColor: PurchaseColors.background,
+            body: Stack(
+              children: [
+                Positioned.fill(
+                  child: SingleChildScrollView(
+                    controller: controller.scrollController,
+                    physics: const ClampingScrollPhysics(),
+                    padding: const EdgeInsets.only(bottom: 170),
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        const _HeroHeader(),
+                        Padding(
+                          padding: const EdgeInsets.only(left: 18, top: 9),
+                          child: Text(
+                            context.l10n.purchaseHeroTitle,
+                            style: const TextStyle(
+                              color: Colors.black,
+                              fontSize: 24,
+                              fontWeight: FontWeight.w600,
+                              height: 1.2,
+                            ),
+                          ),
                         ),
-                      ),
+                        const SizedBox(height: 26),
+                        _PlanScroller(controller: controller),
+                        const SizedBox(height: 22),
+                        _SectionTitle(context.l10n.purchaseBenefitsTitle),
+                        const SizedBox(height: 14),
+                        const PremiumBenefitListView(),
+                        const SizedBox(height: 24),
+                        _LegalNotes(controller: controller),
+                      ],
                     ),
-                    const SizedBox(height: 26),
-                    _PlanScroller(controller: controller),
-                    const SizedBox(height: 22),
-                    _SectionTitle(context.l10n.purchaseBenefitsTitle),
-                    const SizedBox(height: 14),
-                    const PremiumBenefitListView(),
-                    const SizedBox(height: 24),
-                    _LegalNotes(controller: controller),
-                  ],
+                  ),
                 ),
-              ),
-            ),
-            Positioned(
-              left: 0,
-              right: 0,
-              top: 0,
-              child: _PurchaseNavigationBar(controller: controller),
-            ),
-            Positioned(
-              left: 0,
-              right: 0,
-              bottom: 0,
-              child: Obx(
-                () => PurchaseBottomBar(
-                  label: context.l10n.purchaseUnlockNow,
-                  loading: controller.isUnlocking.value,
-                  onPressed: controller.unlock,
-                  onTermsTap: controller.openUserTerms,
-                  onPrivacyTap: controller.openPrivacyPolicy,
+                Positioned(
+                  left: 0,
+                  right: 0,
+                  top: 0,
+                  child: _PurchaseNavigationBar(controller: controller),
                 ),
-              ),
+                Positioned(
+                  left: 0,
+                  right: 0,
+                  bottom: 0,
+                  child: Obx(
+                    () => PurchaseBottomBar(
+                      label: context.l10n.purchaseUnlockNow,
+                      loading: controller.isUnlocking.value,
+                      onPressed: controller.unlock,
+                      onTermsTap: controller.openUserTerms,
+                      onPrivacyTap: controller.openPrivacyPolicy,
+                    ),
+                  ),
+                ),
+              ],
             ),
-          ],
-        ),
-      ),
-    ));
+          ),
+        ));
   }
 }
 
@@ -256,7 +255,7 @@ class _LegalNotes extends StatelessWidget {
             text: context.l10n.purchaseNoteSubscription,
             linkText: '了解更多',
             linkSuffix: '。',
-            onLinkTap: showRefundExplanationBottomSheet,
+            onLinkTap: controller.openRefundExplanation,
           ),
           const SizedBox(height: 12),
           _LegalText(

@@ -26,7 +26,7 @@ class SleepReportView extends StatelessWidget {
 
   final SleepReportLogic logic;
   final bool isVip;
-  final VoidCallback onSubscribe;
+  final ValueChanged<String> onSubscribe;
 
   @override
   Widget build(BuildContext context) {
@@ -48,7 +48,7 @@ class SleepReportView extends StatelessWidget {
                         lockedPeriods: isVip
                             ? const {}
                             : const {ReportPeriod.week, ReportPeriod.month},
-                        onLockedPeriodTap: (_) => onSubscribe(),
+                        onLockedPeriodTap: (_) => onSubscribe('非会员切换月周-睡眠报告'),
                       ),
                     ),
                     const SizedBox(height: 8),

 abstract final class IntentKeys {
   static const String keyFrom = "from";
+  static const String channelType = "channel_type";
 }