Platform batch show: add spot-check next link

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

@@ -129,6 +129,17 @@
                     <button type="button" class="btn btn-secondary btn-xs" data-action="copy-text" data-role="copy-spot-check-order-id" data-copy-label="订单ID" data-copy-text="{{ $spotCheck['order_id'] }}">复制订单ID</button>
                 @endif
                 <span class="muted muted-xs">（从本批次成功集合抽一单，用于 spot-check）</span>
+                @if(($spotCheck['order_id'] ?? 0) > 0)
+                    @php
+                        $spotPickNextUrl = '/admin/platform-batches/show?' . \Illuminate\Support\Arr::query([
+                            'type' => $type,
+                            'run_id' => $runId,
+                            'spot_after_id' => (int) ($spotCheck['order_id'] ?? 0),
+                        ]);
+                        $spotPickNextUrl = \App\Support\BackUrl::withBack($spotPickNextUrl, $safeBackForLinks);
+                    @endphp
+                    <a class="link muted-xs" data-role="batch-spot-check-next" href="{{ $spotPickNextUrl }}">换一单</a>
+                @endif
             </div>
         @else
             <div class="muted">暂无可抽样订单（可能暂无成功单，或 last_result 尚未补齐）。</div>