feat(platform): 线索/订单页增加 back 与来源线索上下文提示

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

@@ -32,6 +32,23 @@
 @endphp
 <div class="card mb-20">
     <p class="muted muted-tight">这里用于运营排查：订单核心字段、关联订阅、以及订阅同步元数据（meta）。</p>
+
+    @php
+        $platformLeadId = (int) (data_get($order->meta, 'platform_lead_id') ?? 0);
+        $leadIndexUrl = '';
+        if ($platformLeadId > 0) {
+            $leadIndexUrl = '/admin/platform-leads?' . \Illuminate\Support\Arr::query([
+                'lead_id' => $platformLeadId,
+                'back' => $orderShowSelf,
+            ]);
+        }
+    @endphp
+    @if($platformLeadId > 0)
+        <div class="mt-10 actions">
+            <span class="badge">来源线索：#{{ $platformLeadId }}</span>
+            <a class="btn-secondary btn-sm" href="{!! $leadIndexUrl !!}">查看线索</a>
+        </div>
+    @endif
 </div>
 
 <div class="card mb-20">