feat(platform-orders): 列表展示最近批量生效信息

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

@@ -301,6 +301,7 @@
             <th>同步时间</th>
             <th>失败原因</th>
             <th>最近批量同步</th>
+            <th>最近批量生效</th>
             <th>操作</th>
         </tr>
         </thead>
@@ -390,6 +391,37 @@
                         <span class="muted">-</span>
                     @endif
                 </td>
+                <td>
+                    @php
+                        // 优先使用扁平字段 meta.batch_mark_activated（便于筛选/统计，也避免遍历 audit）
+                        $batchMarkActivated = (array) (data_get($order->meta, 'batch_mark_activated', []) ?? []);
+                        $batchMarkAt = (string) (data_get($batchMarkActivated, 'at') ?? '');
+                        $batchMarkAdminId = data_get($batchMarkActivated, 'admin_id');
+
+                        // 兼容旧数据：若尚未写入 batch_mark_activated，则回退从 meta.audit[] 中取最近一次批量生效记录
+                        $audit2 = (array) (data_get($order->meta, 'audit', []) ?? []);
+                        $lastBatchMark = null;
+                        if ($batchMarkAt === '' && count($audit2) > 0) {
+                            foreach (array_reverse($audit2) as $item) {
+                                if ((string) data_get($item, 'action') === 'batch_mark_activated') {
+                                    $lastBatchMark = $item;
+                                    break;
+                                }
+                            }
+                        }
+
+                        if ($batchMarkAt === '' && $lastBatchMark) {
+                            $batchMarkAt = (string) (data_get($lastBatchMark, 'at') ?? '');
+                            $batchMarkAdminId = data_get($lastBatchMark, 'admin_id');
+                        }
+                    @endphp
+                    @if($batchMarkAt !== '')
+                        <div>{{ $batchMarkAt }}</div>
+                        <div class="muted">管理员：{{ $batchMarkAdminId ?: '-' }}</div>
+                    @else
+                        <span class="muted">-</span>
+                    @endif
+                </td>
                 <td>
                     @php
                         $canActivate = ($order->payment_status === 'paid') && ($order->status === 'activated');