feat(admin): 站点管理页补齐订阅/平台订单/续费缺订阅治理入口 + back

tests/Feature/AdminMerchantIndexGovernanceLinksShouldIncludeRenewalMissingSubscriptionTest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminMerchantIndexGovernanceLinksShouldIncludeRenewalMissingSubscriptionTest 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_merchants_index_should_include_governance_links_with_back(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+
+        $res = $this->get('/admin/merchants');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+
+        // 站点治理入口：订阅/平台订单/续费缺订阅
+        $this->assertStringContainsString('/admin/site-subscriptions?merchant_id=' . $merchant->id, $html);
+        $this->assertStringContainsString('/admin/platform-orders?merchant_id=' . $merchant->id, $html);
+        $this->assertStringContainsString('renewal_missing_subscription=1', $html);
+
+        // back 应回到站点管理页
+        $this->assertStringContainsString('back=' . urlencode('/admin/merchants'), $html);
+    }
+}