fix: 避免认证服务商默认值告警

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/AKSRT/Settings/UserRuntime.php

@@ -171,6 +171,10 @@ class UserRuntime {
             ],
         ];
         $medal = self::parse_medal_catalog($settings);
+        $provider = sanitize_key((string) ($settings['user_verify_provider'] ?? 'aliyun'));
+        if (!in_array($provider, ['aliyun', 'tencent'], true)) {
+            $provider = 'aliyun';
+        }
 
         return [
             'verify' => [
@@ -179,7 +183,7 @@ class UserRuntime {
                 'allow_apply'  => !isset($settings['user_verify_allow_apply']) || !empty($settings['user_verify_allow_apply']),
                 'disable_desc' => (string) ($settings['user_verify_disable_desc'] ?? ''),
                 'desc'         => (string) ($settings['user_verify_desc'] ?? ''),
-                'provider'     => in_array(($settings['user_verify_provider'] ?? 'aliyun'), ['aliyun', 'tencent'], true) ? (string) $settings['user_verify_provider'] : 'aliyun',
+                'provider'     => $provider,
                 'allow_manual_fallback' => !isset($settings['user_verify_allow_manual_fallback']) || !empty($settings['user_verify_allow_manual_fallback']),
                 'poll_interval_seconds' => max(3, min(60, (int) ($settings['user_verify_poll_interval_seconds'] ?? 5))),
                 'types'        => $verify_types,