订阅详情页：返回订阅列表链接也保留上下文

resources/views/admin/site_subscriptions/show.blade.php

@@ -134,7 +134,7 @@
             <span class="muted">｜</span>
         @endif
 
-        <a href="/admin/site-subscriptions" class="muted">← 返回订阅列表</a>
+        <a href="{!! $makeSubscriptionIndexUrl([]) !!}" class="muted">← 返回订阅列表（保留上下文）</a>
         @if($subscription->subscription_no)
             <div class="mt-6 actions gap-10">
                 <a class="btn btn-secondary btn-sm" href="{!! $makePlatformOrderUrl(['site_subscription_id' => $subscription->id]) !!}">查看关联平台订单（按订阅ID精确过滤）</a>