feat(admin): 订阅详情页关联订单总数一键跳转并补未同步口径说明

tests/Feature/AdminSiteSubscriptionShowTest.php

@@ -103,6 +103,7 @@ class AdminSiteSubscriptionShowTest extends TestCase
             ->assertSee('订阅详情')
             ->assertSee('SUB_SHOW_0001')
             ->assertSee('关联订单总数')
+            ->assertSee('/admin/platform-orders?site_subscription_id=' . $sub->id, false)
             ->assertSee('可同步（已支付+已生效+未同步）')
             ->assertSee('未同步（无记录）')
             ->assertSee('失败原因Top3')