优化支付日志和配置删除提示

frontend/src/features/admin/api/paymentConfig.ts

@@ -19,6 +19,7 @@ export interface PaymentConfig {
   status: string
   environment: string
   business_tags: string[] | null
+  reference_count: number
   total_transactions: number
   total_amount_cent: number
   last_used_at: string | null

frontend/src/features/admin/views/AdminPaymentConfigsView.vue

@@ -289,11 +289,12 @@ function tableRowClassName({ row }: { row: PaymentConfig }) {
 }
 
 function canDeleteConfig(row: PaymentConfig) {
-  return row.total_transactions <= 0
+  return (row.reference_count || 0) <= 0
 }
 
 function deleteDisabledReason(row: PaymentConfig) {
-  return canDeleteConfig(row) ? '删除配置' : '已有交易记录，需要保留用于退款、查询和回调验签'
+  if (canDeleteConfig(row)) return '删除配置'
+  return `已有 ${row.reference_count || 0} 条支付记录引用，需要保留用于退款、查询和回调验签`
 }
 </script>
 
@@ -420,10 +421,13 @@ function deleteDisabledReason(row: PaymentConfig) {
           <span v-else class="standby-badge">备用</span>
         </template>
       </el-table-column>
-      <el-table-column label="成功支付" min-width="150">
+      <el-table-column label="支付记录" min-width="150">
         <template #default="{ row }">
           <div class="usage-cell">
             <div>成功: {{ row.total_transactions }} 笔</div>
+            <div :class="{ 'usage-reference-locked': (row.reference_count || 0) > 0 }">
+              引用: {{ row.reference_count || 0 }} 条
+            </div>
             <div>金额: ¥{{ formatAmount(row.total_amount_cent) }}</div>
           </div>
         </template>
@@ -661,6 +665,11 @@ function deleteDisabledReason(row: PaymentConfig) {
   white-space: nowrap;
 }
 
+.usage-reference-locked {
+  color: #dc2626;
+  font-weight: 600;
+}
+
 .action-buttons {
   display: flex;
   align-items: center;