退款治理：支持标记部分退款/已支付以回退退款状态

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

@@ -85,6 +85,11 @@
         $canMarkRefunded = $paidAmountFloat > 0
             && $order->payment_status !== 'refunded'
             && round($refundTotal * 100) >= round($paidAmountFloat * 100);
+
+        // - refunded 但退款总额不足 => 提供降级动作：标记为部分退款/已支付（仍不自动写回执）
+        $canFixRefundedButNotEnough = $paidAmountFloat > 0
+            && $order->payment_status === 'refunded'
+            && (round($refundTotal * 100) + 1) < round($paidAmountFloat * 100);
     @endphp
     @if($canMarkRefunded)
         <div class="muted" style="margin-top:10px;">
@@ -94,6 +99,18 @@
                 <button type="submit">标记为已退款</button>
             </form>
         </div>
+    @elseif($canFixRefundedButNotEnough)
+        <div class="muted" style="margin-top:10px;">
+            提示：当前支付状态为「已退款」，但退款总额不足。如确认无误，可将状态修正为「部分退款」或「已支付」。
+            <form method="post" action="/admin/platform-orders/{{ $order->id }}/mark-partially-refunded" style="display:inline; margin-left:8px;" onsubmit="return confirm('确认将该订单支付状态标记为部分退款？该操作不会自动写入退款回执，仅修正状态');">
+                @csrf
+                <button type="submit">标记为部分退款</button>
+            </form>
+            <form method="post" action="/admin/platform-orders/{{ $order->id }}/mark-paid-status" style="display:inline; margin-left:8px;" onsubmit="return confirm('确认将该订单支付状态标记为已支付？该操作不会自动写入回执/退款回执，仅修正状态');">
+                @csrf
+                <button type="submit">标记为已支付</button>
+            </form>
+        </div>
     @endif
 
     @if($order->payment_status === 'refunded' && ($refundTotal + 0.01) < $paidAmountFloat)
@@ -393,6 +410,8 @@
                 'batch_mark_activated' => '批量仅标记为已生效',
                 'activate_subscription' => '同步订阅',
                 'mark_refunded' => '手动标记为已退款',
+                'mark_partially_refunded' => '手动标记为部分退款',
+                'mark_paid_status' => '手动标记为已支付',
             ];
         @endphp
         <table>