feat(platform-orders): 回执摘要卡数字支持一键跳转筛选（含测试）

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

@@ -165,12 +165,17 @@
     </div>
     <div class="card">
         <h3>有回执订单 / 回执总额</h3>
-        <div class="metric-number">{{ $summaryStats['receipt_orders'] ?? 0 }} / ¥{{ number_format((float) ($summaryStats['total_receipt_amount'] ?? 0), 2) }}</div>
+        <div class="metric-number">
+            <a class="link" href="{{ request()->fullUrlWithQuery(['receipt_status' => 'has', 'page' => null]) }}">{{ $summaryStats['receipt_orders'] ?? 0 }}</a>
+            / ¥{{ number_format((float) ($summaryStats['total_receipt_amount'] ?? 0), 2) }}
+        </div>
         <div class="muted muted-xs">有回执口径：payment_summary.total_amount 存在或 payment_receipts 有记录</div>
     </div>
     <div class="card">
         <h3>无回执订单</h3>
-        <div class="metric-number">{{ $summaryStats['no_receipt_orders'] ?? 0 }}</div>
+        <div class="metric-number">
+            <a class="link" href="{{ request()->fullUrlWithQuery(['receipt_status' => 'none', 'page' => null]) }}">{{ $summaryStats['no_receipt_orders'] ?? 0 }}</a>
+        </div>
         <div class="muted muted-xs">无 payment_summary 且无 payment_receipts</div>
     </div>
     <div class="card">

tests/Feature/AdminPlatformOrderReceiptSummaryCardLinksTest.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderReceiptSummaryCardLinksTest 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_platform_orders_page_shows_receipt_summary_card_links(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $this->get('/admin/platform-orders')
+            ->assertOk()
+            ->assertSee('有回执订单 / 回执总额')
+            ->assertSee('无回执订单')
+            ->assertSee('receipt_status=has')
+            ->assertSee('receipt_status=none');
+    }
+}