feat(platform-orders): 详情页补充退款时间字段展示

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

@@ -23,6 +23,7 @@
         <tr><th>下单时间</th><td>{{ optional($order->placed_at)->format('Y-m-d H:i:s') ?: '-' }}</td></tr>
         <tr><th>支付时间</th><td>{{ optional($order->paid_at)->format('Y-m-d H:i:s') ?: '-' }}</td></tr>
         <tr><th>生效时间</th><td>{{ optional($order->activated_at)->format('Y-m-d H:i:s') ?: '-' }}</td></tr>
+        <tr><th>退款时间</th><td>{{ optional($order->refunded_at)->format('Y-m-d H:i:s') ?: '-' }}</td></tr>
         </tbody>
     </table>
 

tests/Feature/AdminPlatformOrderShowTest.php

@@ -101,6 +101,7 @@ class AdminPlatformOrderShowTest extends TestCase
             ->assertSee('同步订阅')
             ->assertSee('最近批量生效记录')
             ->assertSee('订阅同步元数据')
+            ->assertSee('退款时间')
             ->assertSee('关联订阅')
             ->assertSee('打开订阅详情')
             ->assertSee('审计记录')