feat(admin): 订阅详情页补回执/退款汇总与对账差额（订阅维度）

tests/Feature/AdminSiteSubscriptionShowTest.php

@@ -80,6 +80,21 @@ class AdminSiteSubscriptionShowTest extends TestCase
                     'synced_at' => now()->subDay()->toDateTimeString(),
                     'admin_id' => 1,
                 ],
+                // 订阅维度治理摘要：回执/退款汇总口径应可识别 summary
+                'payment_summary' => [
+                    'count' => 1,
+                    'total_amount' => 88,
+                    'last_at' => now()->subDay()->toDateTimeString(),
+                    'last_amount' => 88,
+                    'last_channel' => 'bank_transfer',
+                ],
+                'refund_summary' => [
+                    'count' => 1,
+                    'total_amount' => 10,
+                    'last_at' => now()->subHours(12)->toDateTimeString(),
+                    'last_amount' => 10,
+                    'last_channel' => 'bank_transfer',
+                ],
             ],
         ]);
 
@@ -91,6 +106,9 @@ class AdminSiteSubscriptionShowTest extends TestCase
             ->assertSee('可同步（已支付+已生效+未同步）')
             ->assertSee('未同步（无记录）')
             ->assertSee('失败原因Top3')
+            ->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('关联平台订单')
             ->assertSee('PO_SUB_SHOW_0001')
             ->assertSee('同步时间')