fix: disable unsolicited background UI automation

node-agent/WxAgent.Service/ServiceOptions.cs

@@ -25,6 +25,7 @@ public sealed class ServiceOptions
     // Explicitly opt-in for a single, user-authorized Windows validation session.
     // Production deployments remain read-only unless this local gate is enabled.
     public bool EnableValidationOperations { get; init; }
+    public bool EnableListenerEvents { get; init; }
     public bool PreventAutoLock { get; init; }
 
     // Kept only so older service.json files can be loaded and rewritten by the tray.
@@ -34,9 +35,6 @@ public sealed class ServiceOptions
     [JsonIgnore]
     [Obsolete("Internal compatibility field; the value is ignored.")]
     public string ListenerSession { get; init; } = "文件传输助手";
-    [JsonIgnore]
-    [Obsolete("Internal compatibility field; the value is ignored.")]
-    public bool EnableListenerEvents { get; init; }
 
     public void Validate()
     {