平台订单列表：锁定订阅ID时显示上下文提示

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -182,6 +182,13 @@ class PlatformOrderController extends Controller
             ->paginate(10)
             ->withQueryString();
 
+        // 当前列表若锁定了订阅ID，则加载该订阅用于“上下文提示/快捷续费下单”等运营入口
+        $currentSubscription = null;
+        $currentSubscriptionId = (int) ($filters['site_subscription_id'] ?? 0);
+        if ($currentSubscriptionId > 0) {
+            $currentSubscription = SiteSubscription::query()->with(['merchant', 'plan'])->find($currentSubscriptionId);
+        }
+
         // 列表行级对账视图：回执总额 / 差额（便于运营快速定位问题订单）
         $orders->getCollection()->transform(function (PlatformOrder $o) {
             $receiptTotal = (float) $this->receiptTotalForOrder($o);
@@ -258,6 +265,7 @@ class PlatformOrderController extends Controller
         $totalPaidAmount = (float) ((clone $baseQuery)->sum('paid_amount') ?: 0);
 
         return view('admin.platform_orders.index', [
+            'currentSubscription' => $currentSubscription,
             'orders' => $orders,
             'filters' => $filters,
             'filterOptions' => [

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

@@ -30,6 +30,20 @@
             <a href="{{ $safeBack }}" class="muted">← 返回上一页（保留上下文）</a>
         </div>
     @endif
+
+    @php
+        $currentSubscription = $currentSubscription ?? null;
+    @endphp
+    @if($currentSubscription && $currentSubscription->id)
+        <div class="mt-10">
+            <div class="muted">当前已锁定订阅：</div>
+            <div>
+                <a class="link" href="/admin/site-subscriptions/{{ $currentSubscription->id }}">{{ $currentSubscription->subscription_no }}</a>
+                <span class="muted">（订阅ID：{{ $currentSubscription->id }}）</span>
+            </div>
+            <div class="muted muted-xs">提示：本页快捷筛选会保留该订阅ID；右上角“新建平台订单”会自动预填订阅ID。</div>
+        </div>
+    @endif
 </div>
 
 <div class="card mb-20">

tests/Feature/AdminPlatformOrderIndexSubscriptionContextHintTest.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 AdminPlatformOrderIndexSubscriptionContextHintTest 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_index_should_render_current_subscription_context_hint_when_site_subscription_id_present(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'po_index_sub_hint_plan',
+            'name' => '平台订单列表订阅上下文提示测试套餐',
+            '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' => 'active',
+            'source' => 'manual',
+            'subscription_no' => 'SS_CTX_HINT_0001',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'amount' => 10,
+            'starts_at' => now(),
+            'ends_at' => now()->addMonth(),
+        ]);
+
+        $res = $this->get('/admin/platform-orders?site_subscription_id=' . $sub->id);
+        $res->assertOk();
+
+        $res->assertSee('当前已锁定订阅：', false);
+        $res->assertSee($sub->subscription_no, false);
+        $res->assertSee('/admin/site-subscriptions/' . $sub->id, false);
+    }
+}