feat(ui): 支持在指定面板上点击推进对话

新增 AllowDialogueAdvanceOnPointer 标记组件，IsPointerOverUI 命中
带该标记的 UI 时不再阻止对话推进；同时缓存 PointerEventData 与
射线结果列表，避免每次检测分配。Play Tool 与 Screen Transition
面板挂上该组件。

Assets/GameContent/Feature_MainUI/Prefabs/Old/Play Tool Panel.prefab

@@ -575,6 +575,7 @@ GameObject:
   - component: {fileID: 5358297362873264388}
   - component: {fileID: 800920753307466051}
   - component: {fileID: 3111013239647254375}
+  - component: {fileID: 4229759771866720546}
   m_Layer: 5
   m_Name: Play Tool Panel
   m_TagString: Untagged
@@ -630,6 +631,18 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   objWidth: 700
   objHeight: 550
+--- !u!114 &4229759771866720546
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 7548078866038160482}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: bbcc87c8e6df4cee9aeb124c57ede070, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
 --- !u!1001 &5111124973336394898
 PrefabInstance:
   m_ObjectHideFlags: 0

Assets/GameContent/Feature_MainUI/Prefabs/Screen Transition Panel.prefab

@@ -65,6 +65,7 @@ GameObject:
   - component: {fileID: 200101}
   - component: {fileID: 200102}
   - component: {fileID: 200103}
+  - component: {fileID: 200104}
   m_Layer: 5
   m_Name: Transition Visual Root
   m_TagString: Untagged
@@ -131,6 +132,18 @@ MonoBehaviour:
   m_FillOrigin: 0
   m_UseSpriteMesh: 0
   m_PixelsPerUnitMultiplier: 1
+--- !u!114 &200104
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 200100}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: bbcc87c8e6df4cee9aeb124c57ede070, type: 3}
+  m_Name:
+  m_EditorClassIdentifier:
 --- !u!1 &300100
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/UI/Components/AllowDialogueAdvanceOnPointer.cs

@@ -0,0 +1,13 @@
+using UnityEngine;
+
+namespace AibisDream.UI
+{
+    /// <summary>
+    /// Marks this UI hierarchy as allowing pointer-driven dialogue advancement.
+    /// The UI can still receive raycasts and block interactions behind it.
+    /// </summary>
+    [DisallowMultipleComponent]
+    public sealed class AllowDialogueAdvanceOnPointer : MonoBehaviour
+    {
+    }
+}

Assets/Scripts/UI/Components/AllowDialogueAdvanceOnPointer.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: bbcc87c8e6df4cee9aeb124c57ede070
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/UI/UIManager.cs

@@ -23,6 +23,9 @@ namespace AibisDream
         public RectTransform DialogCanvas { get; private set; }
 
         private GraphicRaycaster _raycaster;
+        private EventSystem _pointerEventSystem;
+        private PointerEventData _pointerEventData;
+        private readonly List<RaycastResult> _pointerRaycastResults = new();
         private RecordingToolPanel _recordingToolPanel;
 
         #endregion
@@ -244,19 +247,30 @@ namespace AibisDream
         /// </summary>
         public bool IsPointerOverUI(Vector2 screenPosition)
         {
-            if (EventSystem.current == null || _raycaster == null)
+            var eventSystem = EventSystem.current;
+            if (eventSystem == null || _raycaster == null)
             {
                 return false;
             }
 
-            var eventData = new PointerEventData(EventSystem.current)
+            if (_pointerEventData == null || _pointerEventSystem != eventSystem)
             {
-                position = screenPosition
-            };
+                _pointerEventSystem = eventSystem;
+                _pointerEventData = new PointerEventData(eventSystem);
+            }
 
-            var results = new List<RaycastResult>();
-            _raycaster.Raycast(eventData, results);
-            return results.Count > 0;
+            _pointerEventData.Reset();
+            _pointerEventData.position = screenPosition;
+
+            _pointerRaycastResults.Clear();
+            _raycaster.Raycast(_pointerEventData, _pointerRaycastResults);
+            if (_pointerRaycastResults.Count == 0)
+            {
+                return false;
+            }
+
+            var topResult = _pointerRaycastResults[0];
+            return topResult.gameObject.GetComponentInParent<AllowDialogueAdvanceOnPointer>() == null;
         }
 
         /// <summary>