fix(kyc): 验证成功后点击完成跳转到实名认证页面

使用 context.go() 替代 context.pop()，直接跳转到实名认证页面

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/mobile-app/lib/features/kyc/presentation/pages/change_phone_page.dart

@@ -4,6 +4,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:go_router/go_router.dart';
+import '../../../../routes/route_paths.dart';
 import 'kyc_entry_page.dart'; // 导入 kycServiceProvider
 
 /// 更换手机号流程步骤
@@ -437,7 +438,8 @@ class _ChangePhonePageState extends ConsumerState<ChangePhonePage> {
             width: double.infinity,
             child: OutlinedButton(
               onPressed: () {
-                context.pop(); // 返回上一页
+                // 直接跳转到实名认证页面，清除中间页面栈
+                context.go(RoutePaths.kycEntry);
               },
               style: OutlinedButton.styleFrom(
                 padding: EdgeInsets.symmetric(vertical: 16.h),