fix(extensions): 内容审核管理端测试可绕过启用开关

后台测试此前受 content_audit_enabled/text_enabled 与 on_failure=allow 短路，未启用时恒为通过；强制 live 调用并返回可读失败原因。

inc/classes/admin/class-aksrt-admin-extension-controller.php

@@ -346,6 +346,9 @@ class AKSRT_Admin_Extension_Controller extends AKSRT_Admin_Controller_Base {
 
     /**
      * POST /extensions/audit-test — test text content against current audit provider.
+     *
+     * Admin tests force a live provider call (skip enable gates + failure allow policy)
+     * so operators can verify credentials before flipping runtime switches.
      */
     public function test_content_audit(WP_REST_Request $request): WP_REST_Response {
         $params = $this->get_json_params($request);
@@ -359,12 +362,72 @@ class AKSRT_Admin_Extension_Controller extends AKSRT_Admin_Controller_Base {
             return $this->error(__('内容审核服务不可用', 'aksrt'), 500);
         }
 
-        $result = AKSRT_Content_Audit::get_instance()->audit_text($text);
+        $audit  = AKSRT_Content_Audit::get_instance();
+        $status = $audit->get_status();
+        $result = $audit->audit_text($text, true);
+
+        $reason  = (string) ($result['reason'] ?? '');
+        $message = '';
+        $ok      = !empty($result['passed']);
+
+        // config/api 错误时 passed=false 且 reason 是机器码，需要可读提示
+        $error_reasons = ['config_missing', 'api_error', 'file_error', 'disabled'];
+        $is_error      = in_array($reason, $error_reasons, true)
+            || (str_starts_with($reason, 'config_') && $reason !== '');
+
+        if ($is_error || (!$ok && $reason !== '')) {
+            switch ($reason) {
+                case 'config_missing':
+                    if (!empty($status['missing_fields'])) {
+                        $message = sprintf(
+                            /* translators: %s: missing config field keys */
+                            __('当前审核服务商凭据不完整（缺少：%s），请先在「扩展 → 内容审核」补全配置。', 'aksrt'),
+                            implode(', ', (array) $status['missing_fields'])
+                        );
+                    } else {
+                        $message = __('审核服务商凭据缺失，请先补全 API Key / Secret。', 'aksrt');
+                    }
+                    $ok = false;
+                    break;
+                case 'api_error':
+                    $message = __('调用审核接口失败，请检查凭据、网络出口或服务商状态。', 'aksrt');
+                    $ok = false;
+                    break;
+                case 'disabled':
+                    $message = __('内容审核功能未启用。', 'aksrt');
+                    $ok = false;
+                    break;
+                case 'non_compliant':
+                    $message = __('审核结论：不合规（已拦截）。', 'aksrt');
+                    break;
+                case 'suspected':
+                    $message = __('审核结论：疑似违规。', 'aksrt');
+                    break;
+                case 'review_failed':
+                    $message = __('审核结论：服务商审核失败。', 'aksrt');
+                    break;
+                default:
+                    if (!$ok) {
+                        $message = $reason !== ''
+                            ? sprintf(/* translators: %s: provider reason */ __('审核未通过：%s', 'aksrt'), $reason)
+                            : __('审核未通过。', 'aksrt');
+                    }
+            }
+        } elseif ($ok) {
+            if ($reason === 'passthrough' || $reason === '') {
+                $message = __('审核通过。', 'aksrt');
+            } else {
+                $message = sprintf(/* translators: %s: provider reason */ __('审核通过（%s）。', 'aksrt'), $reason);
+            }
+        }
 
         return $this->success([
             'data' => [
-                'text'   => $text,
-                'result' => $result,
+                'text'    => $text,
+                'ok'      => $ok,
+                'message' => $message,
+                'status'  => $status,
+                'result'  => $result,
             ],
         ]);
     }