平台订单工具区：同步失败筛选下增加治理提示

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

@@ -260,6 +260,9 @@
         $hasReconcileMismatchFilter = (($filters['reconcile_mismatch'] ?? '') === '1');
         $hasRefundInconsistentFilter = (($filters['refund_inconsistent'] ?? '') === '1');
         $hasSyncableOnlyFilter = (($filters['syncable_only'] ?? '') === '1');
+        $hasSyncFailedFilter = (($filters['sync_status'] ?? '') === 'failed')
+            || trim((string) ($filters['sync_error_keyword'] ?? '')) !== ''
+            || (($filters['fail_only'] ?? '') === '1');
     @endphp
 
     @if($hasReconcileMismatchFilter || $hasRefundInconsistentFilter)
@@ -285,6 +288,13 @@
         @endif
     @endif
 
+    @if($hasSyncFailedFilter)
+        <div class="muted text-danger mb-10">
+            提示：当前筛选包含「同步失败/失败原因」范围。建议先治理失败原因（修复数据或重试同步），再执行批量同步订阅等工具动作。
+            <a class="link" href="{{ request()->fullUrlWithQuery(['sync_status' => 'failed', 'page' => null]) }}">进入同步失败集合</a>
+        </div>
+    @endif
+
     <form method="get" action="/admin/platform-orders/export" class="mb-10">
         <input type="hidden" name="status" value="{{ $filters['status'] ?? '' }}">
         <input type="hidden" name="payment_status" value="{{ $filters['payment_status'] ?? '' }}">