PlatformOrder create: default order_type to renewal when from subscription

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -30,11 +30,14 @@ class PlatformOrderController extends Controller
         $plans = Plan::query()->orderBy('sort')->orderByDesc('id')->get();
 
         // 支持从其它页面（例如订阅详情）带默认值跳转过来，提高运营效率
+        $orderTypeFromQuery = $request->query('order_type');
+
         $defaults = [
             'merchant_id' => (int) $request->query('merchant_id', 0),
             'plan_id' => (int) $request->query('plan_id', 0),
             'site_subscription_id' => (int) $request->query('site_subscription_id', 0),
-            'order_type' => (string) $request->query('order_type', 'new_purchase'),
+            // 未显式传 order_type 时默认 new_purchase；若是从订阅进入（site_subscription_id 存在），稍后会进一步偏向 renewal。
+            'order_type' => $orderTypeFromQuery === null ? 'new_purchase' : (string) $orderTypeFromQuery,
             'quantity' => (int) $request->query('quantity', 1),
             'discount_amount' => (float) $request->query('discount_amount', 0),
             'payment_channel' => (string) $request->query('payment_channel', ''),
@@ -66,6 +69,11 @@ class PlatformOrderController extends Controller
                 $defaults['plan_id'] = (int) ($siteSubscription->plan_id ?? 0);
             }
 
+            // 治理口径：从订阅进入（site_subscription_id 存在）时，若未显式指定 order_type，则默认偏向续费。
+            if ($orderTypeFromQuery === null && trim((string) ($defaults['order_type'] ?? '')) === 'new_purchase') {
+                $defaults['order_type'] = 'renewal';
+            }
+
             // 续费默认备注：若未显式传 remark，自动补齐“来自订阅：{subscription_no}”用于追溯/检索。
             if ((string) ($defaults['order_type'] ?? '') === 'renewal' && trim((string) ($defaults['remark'] ?? '')) === '') {
                 $remarkPrefix = (string) config('saasshop.platform_orders.renewal_order_remark_prefix', '来自订阅：');