chore(admin): 平台订单下单页展示来源线索上下文提示

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

@@ -8,6 +8,35 @@
     <p class="muted muted-tight">用于总台运营手工创建一笔平台订单（演示/补单/线下收款录入）。</p>
     <p class="muted">创建后可在「平台订单」列表中继续推进：标记支付并生效 → 同步订阅（形成最小收费闭环）。</p>
 
+    @php
+        $leadId = (int) old('lead_id', $defaults['lead_id'] ?? 0);
+        $incomingBackForLead = (string) ($defaults['back'] ?? '');
+        $leadBack = (str_starts_with($incomingBackForLead, '/')
+            && !preg_match('/["\'<>]/', $incomingBackForLead)
+            && !preg_match('/(?:^|[?&])back=/', $incomingBackForLead))
+            ? $incomingBackForLead
+            : '';
+
+        $viewLeadOrdersQuery = [
+            'lead_id' => $leadId,
+        ];
+        if ($leadBack !== '') {
+            $viewLeadOrdersQuery['back'] = $leadBack;
+        }
+
+        $viewLeadOrdersUrl = '/admin/platform-orders';
+        if ($leadId > 0) {
+            $viewLeadOrdersUrl .= '?' . \Illuminate\Support\Arr::query($viewLeadOrdersQuery);
+        }
+    @endphp
+
+    @if($leadId > 0)
+        <div class="mt-10 actions">
+            <span class="badge">来源线索：#{{ $leadId }}</span>
+            <a class="btn-secondary btn-sm" href="{!! $viewLeadOrdersUrl !!}">查看该线索关联订单</a>
+        </div>
+    @endif
+
     @if(($siteSubscription ?? null) && $siteSubscription->id)
         <div class="mt-10">
             <div class="muted">本订单将关联订阅：</div>