Build self-contained macOS client and verify native beta path

project/client_main.gd

@@ -32,7 +32,6 @@ func _ready() -> void:
 
 # 启动 40250 原生 port 路径
 func _start_port_route() -> void:
-	AssetPack.ensure()
 	if not (ClassDB.class_exists("Metin2PythonHost") and AssetRoot.pack_ready()):
 		printerr("[client] port 路由缺少 Metin2PythonHost 或 40250 Client/pack（%s）" % AssetRoot.client_path())
 		get_tree().quit(1)
@@ -52,3 +51,8 @@ func _start_port_route() -> void:
 	if err != "":
 		printerr("port: " + err)
 		get_tree().quit(1)
+		return
+	if OS.get_environment("MT_TEST_MODE") == "beta_probe":
+		var probe: Node = preload("res://beta_live_probe.gd").new()
+		probe.name = "BetaLiveProbe"
+		add_child(probe)