优化部分安卓机型可能存在连接超时等问题新增日志排查

(cherry picked from commit e0fcc27f28f27321a49115df86507e3ac55e8ef8)

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

@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
-import 'package:flutter_screenutil/flutter_screenutil.dart';
 import '../../../localization/app_translations.dart';
 import '../../../widgets/kr_app_text_style.dart';
 import '../../../widgets/kr_loading_animation.dart';
@@ -13,6 +12,8 @@ import '../widgets/kr_subscription_card.dart';
 import 'kr_home_trial_card.dart';
 import 'kr_home_last_day_card.dart';
 import '../../../utils/kr_log_util.dart';
+import 'dart:io';
+import 'package:path_provider/path_provider.dart';
 
 class KRHomeBottomPanel extends GetView<KRHomeController> {
   const KRHomeBottomPanel({super.key});
@@ -107,6 +108,26 @@ class KRHomeBottomPanel extends GetView<KRHomeController> {
                   // 未订阅（包括未登录）：始终显示订阅卡片
                   Builder(builder: (context) {
                     KRLogUtil.kr_i('🔹 渲染订阅卡片，margin: top=${12}, left=${12}, right=${12}', tag: 'HomeBottomPanel');
+
+                    // 🔧 紧急诊断：异步写文件确认订阅卡片被渲染（不阻塞UI）
+                    Future.microtask(() async {
+                      try {
+                        final dir = await getApplicationDocumentsDirectory();
+                        final debugFile = File('${dir.path}/SUBSCRIPTION_CARD_RENDER_DEBUG.txt');
+                        await debugFile.writeAsString(
+                          '=' * 60 + '\n'
+                          '🔹 订阅卡片正在渲染!\n'
+                          '时间: ${DateTime.now()}\n'
+                          '版本标识: Android15_Fix_v5\n'
+                          '=' * 60 + '\n',
+                          mode: FileMode.append,
+                        );
+                        print('🔹 [BottomPanel] ✅ 订阅卡片渲染日志已写入文件: ${debugFile.path}');
+                      } catch (e) {
+                        print('🔹 [BottomPanel] ❌ 写入订阅卡片渲染日志失败: $e');
+                      }
+                    });
+
                     return Container(
                       margin: EdgeInsets.only(top: 12, left: 12, right: 12),
                       child: const KRSubscriptionCard(),
@@ -160,7 +181,7 @@ class KRHomeBottomPanel extends GetView<KRHomeController> {
             padding: EdgeInsets.all(16),
             decoration: BoxDecoration(
               color: Get.context!.theme.cardColor,
-              borderRadius: BorderRadius.circular(12.r),
+              borderRadius: BorderRadius.circular(12),
               boxShadow: [
                 BoxShadow(
                   color: Colors.black.withOpacity(0.1),
@@ -180,7 +201,7 @@ class KRHomeBottomPanel extends GetView<KRHomeController> {
                 Text(
                   '正在加载...',
                   style: TextStyle(
-                    fontSize: 14.sp,
+                    fontSize: 14,
                     color: Get.context!.theme.textTheme.bodyMedium?.color,
                   ),
                 ),
@@ -233,7 +254,7 @@ class KRHomeBottomPanel extends GetView<KRHomeController> {
                   foregroundColor: Theme.of(context).colorScheme.onPrimary,
                   elevation: 0,
                   shape: RoundedRectangleBorder(
-                    borderRadius: BorderRadius.circular(8.r),
+                    borderRadius: BorderRadius.circular(8),
                   ),
                 ),
                 child: Text(

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

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:get/get.dart';
-import 'package:flutter_screenutil/flutter_screenutil.dart';
 import '../../../widgets/kr_simple_loading.dart';
 import 'package:kaer_with_panels/app/widgets/kr_country_flag.dart';
 import 'package:kaer_with_panels/app/widgets/kr_app_text_style.dart';

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

@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
-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 'package:kaer_with_panels/app/widgets/kr_local_image.dart';