test(admin): 仪表盘 Analysis 骨架结构护栏

tests/Feature/AdminDashboardShouldHaveAnalysisLayoutSkeletonTest.php

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+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminDashboardShouldHaveAnalysisLayoutSkeletonTest 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_have_analysis_layout_skeleton(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+
+        // PageHeader + KPI row
+        $this->assertStringContainsString('data-page="admin.dashboard"', $html);
+        $this->assertStringContainsString('class="page-header', $html);
+        $this->assertStringContainsString('class="kpi-grid', $html);
+
+        // Analysis 版式占位：趋势 + 排行（后续再接真实聚合数据）
+        $this->assertStringContainsString('data-role="analysis-skeleton"', $html);
+        $this->assertStringContainsString('趋势', $html);
+        $this->assertStringContainsString('排行', $html);
+    }
+}