ui(component): metric_explain默认折叠(details)避免Dashboard口径说明撑满

tests/Feature/AdminMetricExplainComponentShouldUseDetailsByDefaultTest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminMetricExplainComponentShouldUseDetailsByDefaultTest 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_dashboard_should_render_metric_explain_as_details(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin');
+
+        $res->assertOk();
+        // 组件默认应使用 details 折叠，避免口径说明撑满页面。
+        $res->assertSee('data-role="metric-explain"', false);
+        $res->assertSee('<details', false);
+        $res->assertSee('点击展开');
+    }
+}