补强页内导航前缀语义标签

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

@@ -104,7 +104,7 @@
             <div class="page-header-title">平台订单</div>
             <div class="page-header-subtitle">这里是总台视角的平台收费主链骨架页，当前阶段先承接套餐订购 / 续费 / 生效跟踪。本页先提供可访问列表、基础筛选与摘要卡，后续再补详情、导出、支付记录与退款轨迹。<span class="muted">（建议运营日常优先使用：待支付 / 待生效 / 可同步 / 同步失败 / 续费缺订阅 等治理集合）</span></div>
             <div class="actions gap-10 mt-10" data-role="po-page-jump-links" aria-label="平台订单页内导航">
-                <span class="muted muted-xs" data-role="po-page-jump-prefix">页内导航：</span>
+                <span class="muted muted-xs" data-role="po-page-jump-prefix" aria-label="平台订单页内导航前缀">页内导航：</span>
                 <a class="btn btn-secondary btn-sm" data-role="po-page-jump-quick-filters" aria-label="定位到快捷筛选" title="回到快捷筛选查看常用治理集合" href="#po-quick-filters">快捷筛选</a>
                 <a class="btn btn-secondary btn-sm" data-role="po-page-jump-filters" aria-label="定位到筛选条件" title="回到筛选区调整范围" href="#filters">筛选条件</a>
                 <a class="btn btn-secondary btn-sm" data-role="po-page-jump-summary" aria-label="定位到摘要概览" title="回到摘要卡查看当前盘面" href="#po-summary-cards">摘要概览</a>

tests/Feature/AdminPlatformOrderIndexPageJumpPrefixShouldHaveAriaLabelTest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderIndexPageJumpPrefixShouldHaveAriaLabelTest 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_platform_orders_page_jump_prefix_should_have_aria_label(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin/platform-orders');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+        $this->assertStringContainsString('data-role="po-page-jump-prefix" aria-label="平台订单页内导航前缀"', $html);
+    }
+}