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/class-aksrt-content-audit.php

@@ -24,23 +24,34 @@ class AKSRT_Content_Audit {
     /**
      * 审核文本内容
      *
+     * @param string $text  待审文本
+     * @param bool   $force 管理端测试用：跳过启用开关与失败放行策略，直接打服务商
      * @return array{passed: bool, reason: string, labels: array, raw: array}
      */
-    public function audit_text(string $text): array {
+    public function audit_text(string $text, bool $force = false): array {
         $config = $this->get_config();
 
-        if (empty($config['content_audit_enabled']) || empty($config['content_audit_text_enabled'])) {
+        if (
+            !$force
+            && (empty($config['content_audit_enabled']) || empty($config['content_audit_text_enabled']))
+        ) {
             return $this->ok('disabled');
         }
 
         $provider = sanitize_key((string) ($config['content_audit_provider'] ?? 'baidu'));
         $result   = $this->call_text_api($provider, $text, $config);
 
-        if (!empty($config['content_audit_log_enabled'])) {
+        // 管理端强制测试不写生产日志，避免污染审计流水
+        if (!$force && !empty($config['content_audit_log_enabled'])) {
             $this->log_audit('text', $text, $result);
         }
 
-        if (!$result['passed'] && ($config['content_audit_on_failure'] ?? 'allow') === 'allow') {
+        // 管理端强制测试保留服务商原始结论，不套用 on_failure=allow
+        if (
+            !$force
+            && !$result['passed']
+            && ($config['content_audit_on_failure'] ?? 'allow') === 'allow'
+        ) {
             $result['passed'] = true;
             $result['reason'] .= ' (failure_policy: allow)';
         }