feat(admin-ui): 平台订单筛选区可折叠并记忆状态

tests/Feature/AdminPlatformOrderIndexFilterPanelShouldBeCollapsibleTest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderIndexFilterPanelShouldBeCollapsibleTest 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_filter_panel_should_be_collapsible(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin/platform-orders');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+
+        $this->assertStringContainsString('data-role="collapsible"', $html);
+        $this->assertStringContainsString('data-storage-key="admin.platform_orders.filters"', $html);
+        $this->assertStringContainsString('<summary', $html);
+        $this->assertStringContainsString('筛选条件', $html);
+    }
+}