test(platform-orders): cover bmpa_processable_only combined filters without enforcing UI sanitization

tests/Feature/AdminPlatformOrderBmpaProcessableOnlyShouldNotBreakWhenCombinedWithOtherFiltersTest.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderBmpaProcessableOnlyShouldNotBreakWhenCombinedWithOtherFiltersTest 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_platform_orders_bmpa_processable_only_can_coexist_with_other_filters_without_error(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        // 说明：bmpa_processable_only 本身在 applyFilters() 会强制限定 status/payment_status 等口径。
+        // 若用户同时带了其它筛选（例如 status/payment_status/sync_status/bmpa_failed_only），结果可能为空，但不应报错/500。
+        $this->get('/admin/platform-orders?bmpa_processable_only=1&status=activated&payment_status=paid&sync_status=synced&bmpa_failed_only=1')
+            ->assertOk();
+    }
+}