优化订阅逻辑-未绑定账号的必须登录才可以购买套餐

lib/app/modules/kr_home/views/kr_home_connection_options_view.dart

@@ -5,6 +5,7 @@ import 'package:kaer_with_panels/app/localization/app_translations.dart';
 import 'package:kaer_with_panels/app/widgets/kr_app_text_style.dart';
 import 'package:kaer_with_panels/app/widgets/kr_local_image.dart';
 import 'package:kaer_with_panels/app/routes/app_pages.dart';
+import 'package:kaer_with_panels/app/utils/kr_subscribe_navigation_util.dart';
 import '../controllers/kr_home_controller.dart';
 import '../models/kr_home_views_status.dart';
 
@@ -43,8 +44,8 @@ class KRHomeConnectionOptionsView extends GetView<KRHomeController> {
     return GestureDetector(
       onTap: () {
         if (controller.kr_subscribeService.kr_currentSubscribe.value == null) {
-          // 未订阅状态下跳转到购买会员页面
-          Get.toNamed(Routes.KR_PURCHASE_MEMBERSHIP);
+          // 未订阅状态下，使用统一的订阅导航工具
+          KRSubscribeNavigationUtil.navigateToPurchase(tag: 'ConnectionOptions');
         } else {
           // 已订阅状态下执行原有的点击事件
           onTap?.call();

lib/app/modules/kr_home/views/kr_home_last_day_card.dart

@@ -4,6 +4,7 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:kaer_with_panels/app/localization/app_translations.dart';
 import 'package:kaer_with_panels/app/widgets/kr_app_text_style.dart';
 import '../../../routes/app_pages.dart';
+import '../../../utils/kr_subscribe_navigation_util.dart';
 import '../controllers/kr_home_controller.dart';
 
 
@@ -40,7 +41,7 @@ class KRHomeLastDayCard extends GetView<KRHomeController> {
                   ),
                 ),
                 GestureDetector(
-                  onTap: () => Get.toNamed(Routes.KR_PURCHASE_MEMBERSHIP),
+                  onTap: () => KRSubscribeNavigationUtil.navigateToPurchase(tag: 'LastDayCard'),
                   child: Row(
                     children: [
                       Text(

lib/app/modules/kr_home/views/kr_home_trial_card.dart

@@ -6,6 +6,7 @@ import 'package:kaer_with_panels/app/widgets/kr_app_text_style.dart';
 import '../../../routes/app_pages.dart';
 import '../../../services/kr_subscribe_service.dart';
 import '../../../utils/kr_log_util.dart';
+import '../../../utils/kr_subscribe_navigation_util.dart';
 import '../controllers/kr_home_controller.dart';
 
 /// 试用卡片组件
@@ -41,7 +42,7 @@ class KRHomeTrialCard extends GetView<KRHomeController> {
                   ),
                 ),
                 GestureDetector(
-                  onTap: () => Get.toNamed(Routes.KR_PURCHASE_MEMBERSHIP),
+                  onTap: () => KRSubscribeNavigationUtil.navigateToPurchase(tag: 'TrialCard'),
                   child: Row(
                     children: [
                       Text(