chore(seed): enrich plan share demo data for dashboard top5

tests/Feature/AdminDashboardPlanOrderShareTop5ShouldLinkToPlatformOrdersListByPlanTest.php

@@ -41,20 +41,24 @@ class AdminDashboardPlanOrderShareTop5ShouldLinkToPlatformOrdersListByPlanTest e
             'published_at' => now(),
         ]);
 
-        PlatformOrder::query()->create([
-            'merchant_id' => $merchant->id,
-            'plan_id' => $plan->id,
-            'site_subscription_id' => null,
-            'created_by_admin_id' => $platformAdminId ?: null,
-            'order_no' => 'PO_DASH_SHARE_LINK_0001',
-            'order_type' => 'new_purchase',
-            'status' => 'pending',
-            'payment_status' => 'paid',
-            'payable_amount' => 10,
-            'paid_amount' => 10,
-            'placed_at' => now(),
-            'meta' => [],
-        ]);
+        // 说明：InitialDemoSeeder 会补齐较多“套餐占比”演示数据；为了确保本用例构造的套餐进入 Top5，
+        // 这里需要造足够多的同套餐订单（按“订单数”口径统计）。
+        for ($i = 1; $i <= 30; $i++) {
+            PlatformOrder::query()->create([
+                'merchant_id' => $merchant->id,
+                'plan_id' => $plan->id,
+                'site_subscription_id' => null,
+                'created_by_admin_id' => $platformAdminId ?: null,
+                'order_no' => 'PO_DASH_SHARE_LINK_' . str_pad((string) $i, 4, '0', STR_PAD_LEFT),
+                'order_type' => 'new_purchase',
+                'status' => 'pending',
+                'payment_status' => 'paid',
+                'payable_amount' => 10,
+                'paid_amount' => 10,
+                'placed_at' => now(),
+                'meta' => [],
+            ]);
+        }
 
         $res = $this->get('/admin');
         $res->assertOk();