PlatformOrder create: require_subscription flag narrows order types

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

@@ -107,13 +107,25 @@
         @php
             $canRenew = ((int) ($defaults['site_subscription_id'] ?? 0) > 0) && (($siteSubscription ?? null) && ($siteSubscription->id ?? 0));
             $selectedOrderType = (string) old('order_type', $defaults['order_type'] ?? 'new_purchase');
+
             // 治理口径：续费必须绑定订阅。若当前页面未绑定订阅，则不允许选中 renewal（避免提交后才报错）。
             if (! $canRenew && $selectedOrderType === 'renewal') {
                 $selectedOrderType = 'new_purchase';
             }
+
+            // 更强治理：若来源页声明 require_subscription=1，且当前未绑定订阅，则不展示 upgrade/downgrade 等类型，避免误用。
+            $requireSub = (bool) ($requireSubscription ?? false);
+            $allowedTypes = array_keys($orderTypeLabels ?? []);
+            if ($requireSub && ! $canRenew) {
+                $allowedTypes = ['new_purchase'];
+            }
         @endphp
         <select name="order_type" required>
             @foreach(($orderTypeLabels ?? []) as $value => $label)
+                @if(!in_array($value, $allowedTypes, true))
+                    @continue
+                @endif
+
                 @if($value === 'renewal' && ! $canRenew)
                     <option value="{{ $value }}" disabled>{{ $label }}（需从订阅进入）</option>
                 @else