Subscriptions: add expiry governance block on index

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

@@ -86,6 +86,23 @@
     </div>
 </div>
 
+<div class="card mb-20">
+    <h3>到期治理</h3>
+    <div class="muted mb-10">按到期时间（ends_at）快速定位需要续费/处理的订阅集合（不改变订阅 status 字段）。</div>
+
+    @php
+        $expiredUrl = $buildQuickFilterUrl(['status' => null, 'expiry' => 'expired']);
+        $expiring7dUrl = $buildQuickFilterUrl(['status' => null, 'expiry' => 'expiring_7d']);
+    @endphp
+
+    <div class="actions">
+        <a class="btn btn-secondary btn-sm" href="{!! $expiredUrl !!}">已过期（{{ $summaryStats['expired_subscriptions'] ?? 0 }}）</a>
+        <a class="btn btn-secondary btn-sm" href="{!! $expiring7dUrl !!}">7天内到期（{{ $summaryStats['expiring_7d_subscriptions'] ?? 0 }}）</a>
+    </div>
+
+    <div class="muted muted-xs mt-6">建议：先处理“7天内到期”续费触达，再处理“已过期”补单或关闭。</div>
+</div>
+
 <div class="card mb-20">
     <h3>筛选条件</h3>
     <form method="get" action="/admin/site-subscriptions" class="grid-4">

tests/Feature/AdminSiteSubscriptionIndexExpiryGovernanceBlockTest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminSiteSubscriptionIndexExpiryGovernanceBlockTest 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_index_should_render_expiry_governance_block_with_quick_links(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin/site-subscriptions');
+        $res->assertOk();
+
+        $res->assertSee('到期治理');
+
+        // 链接应使用 quick filter：仅 expiry，不附带 status
+        $res->assertSee('href="/admin/site-subscriptions?expiry=expired"', false);
+        $res->assertSee('href="/admin/site-subscriptions?expiry=expiring_7d"', false);
+
+        $res->assertSee('已过期');
+        $res->assertSee('7天内到期');
+    }
+}