feat(admin): 订阅详情页对账差额一键跳转到异常订单

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

@@ -152,7 +152,10 @@
     <div class="card">
         <h3>对账差额（回执-已付）</h3>
         @php $delta = (float) ($summaryStats['reconciliation_delta'] ?? 0); @endphp
-        <div class="num-md">¥{{ number_format($delta, 2) }}</div>
+        <div class="num-md">
+            <a class="link" href="/admin/platform-orders?site_subscription_id={{ $subscription->id }}&reconcile_mismatch=1">¥{{ number_format($delta, 2) }}</a>
+        </div>
+        <div class="muted muted-xs">点击差额可跳转：该订阅下「对账不一致」订单</div>
         @if(abs($delta) >= 0.01)
             <div class="muted muted-xs text-danger">提示：差额非 0，可能存在回执金额与订单已付金额不一致。</div>
         @else

tests/Feature/AdminSiteSubscriptionShowTest.php

@@ -109,6 +109,7 @@ class AdminSiteSubscriptionShowTest extends TestCase
             ->assertSee('有回执订单 / 回执总额')
             ->assertSee('有退款订单 / 退款总额')
             ->assertSee('对账差额（回执-已付）')
+            ->assertSee('/admin/platform-orders?site_subscription_id=' . $sub->id . '&reconcile_mismatch=1', false)
             ->assertSee('关联平台订单')
             ->assertSee('PO_SUB_SHOW_0001')
             ->assertSee('同步时间')