feat: platform order show hint reconcile mismatch and link to filter

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

@@ -239,6 +239,18 @@
     <h3>支付回执（对账留痕）</h3>
     <p class="muted muted-tight">用于“线下收款/转账/人工核对”的留痕记录（当前阶段先落 meta，不引入独立表）。</p>
 
+    @php
+        $isReconcileMismatch = (bool) $order->isReconcileMismatch();
+    @endphp
+
+    @if($isReconcileMismatch)
+        <div class="muted text-danger" style="margin-top:10px; margin-bottom:10px;">
+            提示：该订单「回执总额 vs 已付金额」存在差异，可能对账不一致。
+            <span class="muted">｜</span>
+            <a class="link" href="/admin/platform-orders?reconcile_mismatch=1">查看全部对账不一致订单</a>
+        </div>
+    @endif
+
     @if(count($paymentReceipts) > 0)
         @php $items = array_slice(array_reverse($paymentReceipts), 0, 20); @endphp
         <table>
@@ -298,16 +310,8 @@
     <p class="muted muted-tight">用于记录退款动作与对账轨迹（先落 meta，不引入独立表）。追加退款后，系统会自动把支付状态推进为“部分退款/已退款”（仅在订单当前为已支付时）。</p>
 
     @php
-        // 退款不一致（与列表/筛选口径保持一致，按分取整 + 0.01 容差）
-        $paidAmountFloat3 = (float) ($order->paid_amount ?? 0);
-        $isRefundInconsistent3 = false;
-        if ($paidAmountFloat3 > 0) {
-            if ((string) $order->payment_status === 'refunded') {
-                $isRefundInconsistent3 = (round($refundTotal * 100) + 1) < round($paidAmountFloat3 * 100);
-            } else {
-                $isRefundInconsistent3 = round($refundTotal * 100) >= round($paidAmountFloat3 * 100);
-            }
-        }
+        // 退款不一致（统一口径：模型方法）
+        $isRefundInconsistent3 = (bool) $order->isRefundInconsistent();
     @endphp
 
     @if($isRefundInconsistent3)