fix(platform-orders): make bmpa_success_only and bmpa_failed_only mutually exclusive

tests/Feature/AdminPlatformOrderBmpaFailedAndSuccessFiltersShouldBeMutuallyExclusiveTest.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderBmpaFailedAndSuccessFiltersShouldBeMutuallyExclusiveTest 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_failed_and_success_filters_should_be_mutually_exclusive(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        // 同时传 success + failed：Controller 侧应执行互斥清洗（失败优先），避免落入空集合。
+        $html = $this->get('/admin/platform-orders?bmpa_failed_only=1&bmpa_success_only=1')
+            ->assertOk()
+            ->getContent();
+
+        // UI：success checkbox 不应保持 checked（已被清洗掉）
+        $this->assertStringNotContainsString('name="bmpa_success_only" value="1" checked', $html);
+
+        // UI：failed checkbox 仍应 checked
+        $this->assertStringContainsString('name="bmpa_failed_only" value="1" checked', $html);
+    }
+}