feat(admin-dashboard): clarify plan share top5 meta with total and coverage

tests/Feature/AdminDashboardPlanOrderShareTop5MetaShouldIncludeCoverageTest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminDashboardPlanOrderShareTop5MetaShouldIncludeCoverageTest 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_plan_order_share_top5_meta_should_include_total_and_coverage(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin');
+        $res->assertOk();
+
+        // 护栏：Top5 摘要行应同时声明“全量口径”和“覆盖率”，避免运营误解 Top5=全部
+        $res->assertSee('data-role="plan-order-share-top5-meta"', false);
+        $res->assertSee('全量订单', false);
+        $res->assertSee('覆盖率', false);
+    }
+}