PlatformOrder store: require subscription for renewal orders

tests/Feature/AdminPlatformOrderCreateDefaultsPreselectedTest.php

@@ -68,7 +68,8 @@ class AdminPlatformOrderCreateDefaultsPreselectedTest extends TestCase
         // 预选 merchant/plan/order_type
         $res->assertSee('<option value="' . $merchant->id . '" selected>', false);
         $res->assertSee('<option value="' . $plan->id . '" selected>', false);
-        $res->assertSee('<option value="renewal" selected>', false);
+        // 兼容不同 Laravel 版本对 @selected 的渲染形式（selected 或 selected="selected"）
+        $res->assertSee('value="renewal" selected', false);
 
         // 预填其它字段
         $res->assertSee('name="site_subscription_id" value="' . $sub->id . '"', false);

tests/Feature/AdminPlatformOrderStoreShouldRequireSubscriptionForRenewalTest.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderStoreShouldRequireSubscriptionForRenewalTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_store_should_reject_renewal_order_when_site_subscription_id_missing(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'po_store_renewal_requires_sub_plan',
+            'name' => '续费必须绑定订阅测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $res = $this->from('/admin/platform-orders/create')->post('/admin/platform-orders', [
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_type' => 'renewal',
+            'quantity' => 1,
+            'discount_amount' => 0,
+            'payment_channel' => 'offline',
+            'remark' => 'try renewal without sub',
+            // site_subscription_id 故意不传
+        ]);
+
+        $res->assertStatus(302);
+        $res->assertSessionHasErrors('site_subscription_id');
+    }
+}