feat(ui): 添加录制工具面板

新增 RecordingToolPanel，按 Ctrl+R 唤出侧边栏，可独立控制光标、
版本号、Top Bar 与对话视觉的显隐。移除旧的
UIEventEnum.RecordingModeChanged 事件，改为各子系统提供显式
SetVisible API。在 Persistence 场景中配置面板层级与四个开关。

Assets/Scripts/UI/DialogUI/DialogUIManager.cs

@@ -12,8 +12,16 @@ namespace AibisDream
         [SerializeField] private OptionView optionView;
         [SerializeField] private TMP_Text widthEstimation;
 
+        private CanvasGroup _canvasGroup;
+
         public override void OnSingletonInit()
         {
+            _canvasGroup = GetComponent<CanvasGroup>();
+            if (_canvasGroup == null)
+            {
+                _canvasGroup = gameObject.AddComponent<CanvasGroup>();
+            }
+
             EnumEventSystem.Global.Register<DialogEventEnum, LineInfo>(DialogEventEnum.LineStart, AddDialogueLine);
             EnumEventSystem.Global.Register<DialogEventEnum, LineInfo>(DialogEventEnum.OptionSelected, AddDialogueLine);
             EnumEventSystem.Global.Register(EventEnum.NextYarn, CleanDialogHistory);
@@ -55,6 +63,19 @@ namespace AibisDream
             gameObject.SetActive(true);
         }
 
+        /// <summary>
+        /// 仅隐藏对话视觉，不影响打字机、推进与选项交互。
+        /// </summary>
+        public void SetDialogVisualVisible(bool visible)
+        {
+            if (_canvasGroup == null)
+            {
+                _canvasGroup = GetComponent<CanvasGroup>();
+            }
+
+            _canvasGroup.alpha = visible ? 1f : 0f;
+        }
+
         public void HideDialog()
         {
             lineView.HideDialog();