fix: separate voice credentials and refresh feature toggle

ai_knowledge_base_v2/apps/admin-web/src/components/SystemConfigView.vue

@@ -83,8 +83,15 @@ const groupBlueprints: Record<string, SettingGroupBlueprint[]> = {
     },
     {
       title: "语音输入",
-      description: "控制用户端麦克风入口和单次录音上限。",
-      keys: ["voice_input_enabled", "voice_max_duration_seconds"],
+      description: "控制用户端麦克风入口、录音上限和独立的阿里云语音凭证。",
+      keys: [
+        "voice_input_enabled",
+        "voice_max_duration_seconds",
+        "aliyun_nls_app_key",
+        "aliyun_nls_access_key_id",
+        "aliyun_nls_access_key_secret",
+        "aliyun_nls_endpoint",
+      ],
     },
   ],
   外部服务: [