创建平台订单：续费且关联订阅时增加运营提示

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

@@ -15,6 +15,12 @@
                 <a class="link" href="/admin/site-subscriptions/{{ $siteSubscription->id }}">{{ $siteSubscription->subscription_no }}</a>
                 <span class="muted">（订阅ID：{{ $siteSubscription->id }}）</span>
             </div>
+
+            @if((string) ($defaults['order_type'] ?? '') === 'renewal')
+                <div class="muted muted-xs" style="margin-top:6px;">
+                    提示：该订单类型为「续费」。在订单完成「标记支付并生效 → 同步订阅」后，将会对该订阅执行续期/延长到期时间（以系统同步结果为准）。
+                </div>
+            @endif
         </div>
     @endif
 </div>

tests/Feature/AdminPlatformOrderCreateShowsRenewalHintWhenSubscriptionPrefilledTest.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\SiteSubscription;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderCreateShowsRenewalHintWhenSubscriptionPrefilledTest 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_create_page_should_show_renewal_hint_when_site_subscription_prefilled_and_order_type_is_renewal(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'po_create_renewal_hint_plan',
+            'name' => '创建平台订单续费提示测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $sub = SiteSubscription::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'status' => 'activated',
+            'source' => 'manual',
+            'subscription_no' => 'SUB_PO_CREATE_RENEWAL_HINT_0001',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'amount' => 10,
+            'starts_at' => now()->subDay(),
+            'ends_at' => now()->addMonth(),
+            'activated_at' => now()->subDay(),
+        ]);
+
+        $res = $this->get('/admin/platform-orders/create?site_subscription_id=' . $sub->id . '&order_type=renewal');
+        $res->assertOk();
+
+        $res->assertSee('该订单类型为「续费」', false);
+        $res->assertSee('将会对该订阅执行续期/延长到期时间', false);
+    }
+}