feat(platform_orders): add link from refund total card to refund orders

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

@@ -338,6 +338,9 @@
         <h3>退款总额</h3>
         <div class="metric-number">¥{{ number_format((float) ($summaryStats['total_refunded_amount'] ?? 0), 2) }}</div>
         <div class="muted muted-xs">基于 meta.refund_summary.total_amount（缺省回退汇总）</div>
+        <div class="muted muted-xs">
+            <a class="link" href="{!! $safeFullUrlWithQuery(['refund_status' => 'has', 'page' => null]) !!}">查看有退款订单</a>
+        </div>
     </div>
     <div class="card">
         <h3>有退款订单 / 无退款订单</h3>

tests/Feature/AdminPlatformOrderRefundTotalCardHasLinkToRefundOrdersTest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderRefundTotalCardHasLinkToRefundOrdersTest 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_refund_total_card_should_link_to_refund_orders_list(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $this->get('/admin/platform-orders')
+            ->assertOk()
+            ->assertSee('退款总额')
+            ->assertSee('查看有退款订单')
+            ->assertSee('refund_status=has');
+    }
+}