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Date: Sat, 14 Mar 2026 15:23:11 +0000
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---
 ...scriptionShowIndexLinkKeepsContextTest.php | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 tests/Feature/AdminSiteSubscriptionShowIndexLinkKeepsContextTest.php

diff --git a/tests/Feature/AdminSiteSubscriptionShowIndexLinkKeepsContextTest.php b/tests/Feature/AdminSiteSubscriptionShowIndexLinkKeepsContextTest.php
new file mode 100644
index 0000000..656c551
--- /dev/null
+++ b/tests/Feature/AdminSiteSubscriptionShowIndexLinkKeepsContextTest.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\SiteSubscription;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Arr;
+use Tests\TestCase;
+
+class AdminSiteSubscriptionShowIndexLinkKeepsContextTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_show_page_index_link_should_contain_back_to_subscription_show(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+
+        $plan = Plan::query()->create([
+            'code' => 'sub_show_index_link_back_test',
+            'name' => '订阅详情返回订阅列表保留上下文测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $sub = SiteSubscription::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'status' => 'activated',
+            'source' => 'manual',
+            'subscription_no' => 'SUB_SHOW_INDEX_LINK_BACK_0001',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'amount' => 10,
+            'starts_at' => now()->subDay(),
+            'ends_at' => now()->addMonth(),
+            'activated_at' => now()->subDay(),
+        ]);
+
+        $res = $this->get('/admin/site-subscriptions/' . $sub->id);
+        $res->assertOk();
+
+        $back = '/admin/site-subscriptions/' . $sub->id;
+
+        $expectedIndexUrl = '/admin/site-subscriptions?' . Arr::query([
+            'back' => $back,
+        ]);
+
+        $res->assertSee('返回订阅列表（保留上下文）');
+        $res->assertSee($expectedIndexUrl, false);
+    }
+}