测试: 治理提示区跨集合链接清理冲突开关护栏

tests/Feature/AdminPlatformOrderToolsBmpaGovernanceHintTest.php

@@ -68,4 +68,29 @@ class AdminPlatformOrderToolsBmpaGovernanceHintTest extends TestCase
         $res->assertSee('进入批量标记支付失败集合', false);
         $res->assertSee('切到可BMPA处理（用于重试）', false);
     }
+
+    public function test_tools_go_bmpa_failed_link_should_clear_sync_failed_filters_when_cross_context(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        // 模拟用户在同步失败上下文中又叠加了 BMPA 失败筛选；
+        // 此时“进入批量标记支付失败集合”的链接应显式清理 fail_only/sync_status/sync_error_keyword，避免跳转后产生筛选冲突。
+        $res = $this->get('/admin/platform-orders?bmpa_failed_only=1&sync_status=failed');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+
+        $this->assertMatchesRegularExpression('/href="([^"]+)"[^>]*>进入批量标记支付失败集合<\/a>/', $html);
+
+        preg_match('/href="([^"]+)"[^>]*>进入批量标记支付失败集合<\/a>/', $html, $m);
+        $href = html_entity_decode($m[1] ?? '');
+
+        $query = parse_url($href, PHP_URL_QUERY) ?: '';
+        parse_str($query, $q);
+
+        $this->assertSame('1', (string) ($q['bmpa_failed_only'] ?? ''));
+        $this->assertArrayNotHasKey('sync_status', $q);
+        $this->assertArrayNotHasKey('sync_error_keyword', $q);
+        $this->assertArrayNotHasKey('fail_only', $q);
+    }
 }