feat(admin): 订阅详情页补回执/退款汇总与对账差额（订阅维度）

app/Http/Controllers/Admin/SiteSubscriptionController.php

@@ -45,6 +45,62 @@ class SiteSubscriptionController extends Controller
                 ->count(),
         ];
 
+        // 可治理摘要：订阅维度的回执/退款汇总（口径与平台订单列表一致：优先 summary，缺省回退 receipts）
+        $metaOrders = (clone $baseOrdersQuery)->get(['id', 'paid_amount', 'meta']);
+
+        $totalReceiptAmount = 0.0;
+        $receiptOrders = 0;
+        $noReceiptOrders = 0;
+
+        $totalRefundedAmount = 0.0;
+        $refundOrders = 0;
+        $noRefundOrders = 0;
+
+        foreach ($metaOrders as $o) {
+            $meta = $o->meta ?? [];
+
+            $receiptTotal = (float) (data_get($meta, 'payment_summary.total_amount') ?? 0);
+            if ($receiptTotal <= 0) {
+                $receipts = (array) (data_get($meta, 'payment_receipts', []) ?? []);
+                foreach ($receipts as $r) {
+                    $receiptTotal += (float) (data_get($r, 'amount') ?? 0);
+                }
+            }
+
+            if ($receiptTotal > 0) {
+                $receiptOrders++;
+                $totalReceiptAmount += $receiptTotal;
+            } else {
+                $noReceiptOrders++;
+            }
+
+            $refundTotal = (float) (data_get($meta, 'refund_summary.total_amount') ?? 0);
+            if ($refundTotal <= 0) {
+                $refunds = (array) (data_get($meta, 'refund_receipts', []) ?? []);
+                foreach ($refunds as $r) {
+                    $refundTotal += (float) (data_get($r, 'amount') ?? 0);
+                }
+            }
+
+            if ($refundTotal > 0) {
+                $refundOrders++;
+                $totalRefundedAmount += $refundTotal;
+            } else {
+                $noRefundOrders++;
+            }
+        }
+
+        $summaryStats = $summaryStats + [
+            'receipt_orders' => $receiptOrders,
+            'no_receipt_orders' => $noReceiptOrders,
+            'total_receipt_amount' => (float) $totalReceiptAmount,
+            'refund_orders' => $refundOrders,
+            'no_refund_orders' => $noRefundOrders,
+            'total_refunded_amount' => (float) $totalRefundedAmount,
+            // 对账差额：回执总额 - 已付总额（订阅维度）
+            'reconciliation_delta' => (float) ($totalReceiptAmount - (float) $metaOrders->sum('paid_amount')),
+        ];
+
         // 同步失败原因聚合（Top3）：订阅维度快速判断“常见失败原因”
         $failedReasonRows = (clone $baseOrdersQuery)
             ->whereRaw("JSON_EXTRACT(meta, '$.subscription_activation_error.message') IS NOT NULL")