修复平台订单快捷筛选重复锚点冲突

tests/Feature/AdminPlatformOrderIndexShouldHaveSingleQuickFiltersAnchorTest.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderIndexShouldHaveSingleQuickFiltersAnchorTest 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_index_should_have_single_quick_filters_anchor(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin/platform-orders');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+        $count = substr_count($html, 'id="po-quick-filters"');
+        $this->assertSame(1, $count, 'po-quick-filters 锚点应只出现一次，避免页面内锚点冲突。');
+    }
+}