feat(plans): make summary cards clickable for governance navigation

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

@@ -27,6 +27,13 @@
     // - 拒绝 nested back=（避免 URL 膨胀/绕过）
     $incomingBack = (string) request()->query('back', '');
     $safeBackForLinks = \App\Support\BackUrl::sanitizeForLinks($incomingBack);
+
+    // 用于摘要卡等入口：保留当前 query 并覆盖字段，同时安全透传 back。
+    $safeFullUrlWithQuery = function (array $overrides = []) use ($safeBackForLinks) {
+        return \App\Support\BackUrl::currentPathWithQuery($overrides, $safeBackForLinks);
+    };
+
+    $planIndexUrl = \App\Support\BackUrl::withBack('/admin/plans', $safeBackForLinks);
 @endphp
 <div class="card mb-20">
     <p class="muted muted-tight">这里是总台视角的套餐目录页，用于沉淀平台可售卖的标准能力包。</p>
@@ -123,19 +130,27 @@
 <div class="grid-4 mb-20">
     <div class="card">
         <h3>套餐总数</h3>
-        <div class="num-md">{{ $summaryStats['total_plans'] ?? 0 }}</div>
+        <div class="num-md">
+            <a class="link" href="{!! $planIndexUrl !!}">{{ $summaryStats['total_plans'] ?? 0 }}</a>
+        </div>
     </div>
     <div class="card">
         <h3>启用中套餐</h3>
-        <div class="num-md">{{ $summaryStats['active_plans'] ?? 0 }}</div>
+        <div class="num-md">
+            <a class="link" href="{!! $safeFullUrlWithQuery(['status' => 'active', 'page' => null]) !!}">{{ $summaryStats['active_plans'] ?? 0 }}</a>
+        </div>
     </div>
     <div class="card">
         <h3>月付套餐</h3>
-        <div class="num-md">{{ $summaryStats['monthly_plans'] ?? 0 }}</div>
+        <div class="num-md">
+            <a class="link" href="{!! $safeFullUrlWithQuery(['billing_cycle' => 'monthly', 'page' => null]) !!}">{{ $summaryStats['monthly_plans'] ?? 0 }}</a>
+        </div>
     </div>
     <div class="card">
         <h3>年付套餐</h3>
-        <div class="num-md">{{ $summaryStats['yearly_plans'] ?? 0 }}</div>
+        <div class="num-md">
+            <a class="link" href="{!! $safeFullUrlWithQuery(['billing_cycle' => 'yearly', 'page' => null]) !!}">{{ $summaryStats['yearly_plans'] ?? 0 }}</a>
+        </div>
     </div>
     <div class="card">
         <h3>关联订阅总量</h3>

tests/Feature/AdminPlanIndexSummaryCardsAreClickableTest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlanIndexSummaryCardsAreClickableTest 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_summary_cards_should_link_to_filtered_sets(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $this->get('/admin/plans')
+            ->assertOk()
+            ->assertSee('套餐总数')
+            ->assertSee('启用中套餐')
+            ->assertSee('月付套餐')
+            ->assertSee('年付套餐')
+            ->assertSee('status=active', false)
+            ->assertSee('billing_cycle=monthly', false)
+            ->assertSee('billing_cycle=yearly', false);
+    }
+}