PlatformOrder store: require subscription for renewal orders

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -78,8 +78,7 @@ class PlatformOrderController extends Controller
             'plans' => $plans,
             'siteSubscription' => $siteSubscription,
             'billingCycleLabels' => $this->billingCycleLabels(),
-            // order_type label 映射已下沉到 PlatformOrder::orderTypeLabel()；这里不再透传 orderTypeLabels
-            // 'orderTypeLabels' => $this->orderTypeLabels(),
+            'orderTypeLabels' => $this->orderTypeLabels(),
             'defaults' => $defaults,
         ]);
     }
@@ -91,7 +90,13 @@ class PlatformOrderController extends Controller
         $data = $request->validate([
             'merchant_id' => ['required', 'integer', 'exists:merchants,id'],
             'plan_id' => ['required', 'integer', 'exists:plans,id'],
-            'site_subscription_id' => ['nullable', 'integer', 'exists:site_subscriptions,id'],
+            // 治理口径：续费单必须绑定订阅（否则无法做到“续期/延长到期”这一核心闭环）
+            'site_subscription_id' => [
+                Rule::requiredIf(fn () => (string) $request->input('order_type') === 'renewal'),
+                'nullable',
+                'integer',
+                'exists:site_subscriptions,id',
+            ],
             'order_type' => ['required', Rule::in(array_keys($this->orderTypeLabels()))],
             'quantity' => ['required', 'integer', 'min:1', 'max:120'],
             'discount_amount' => ['nullable', 'numeric', 'min:0'],