refactor(scene): 重构场景路由系统架构

- 移除原有的 ISceneLoader 接口定义
- 新增 SceneRouterBase 抽象基类实现场景路由基础功能
- 添加 ISceneRoot 接口定义场景根节点操作规范
- 创建 ISceneRouter 接口统一场景路由操作契约
- 实现场景替换和卸载的核心逻辑
- 添加场景切换前后钩子方法支持扩展功能
- [release ci]

GFramework.Game.Abstractions/scene/ISceneRoot.cs

@@ -11,29 +11,21 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-using GFramework.Core.Abstractions.utility;
+namespace GFramework.Game.Abstractions.scene;
-
-namespace GFramework.Core.Abstractions.scene;
 
 /// <summary>
-/// 定义场景加载器的接口，用于管理场景的加载、替换和卸载操作。
+/// 定义场景根接口，用于管理场景的加载和卸载操作。
 /// </summary>
-public interface ISceneLoader<out T> : IUtility
+public interface ISceneRoot
 {
-    /// <summary>
-    /// 获取当前加载的场景对象。
-    /// </summary>
-    /// <returns>当前场景对象，如果未加载任何场景则返回 null。</returns>
-    T? Current { get; }
-
     /// <summary>
     /// 替换当前场景为指定键对应的场景。
     /// </summary>
-    /// <param name="key">场景的唯一标识符或键值。</param>
+    /// <param name="key">场景的唯一标识符，用于定位要加载的场景。</param>
     void Replace(string key);
 
     /// <summary>
-    /// 卸载当前加载的场景。
+    /// 卸载当前场景。
     /// </summary>
     void Unload();
 }

GFramework.Game.Abstractions/scene/ISceneRouter.cs

@@ -0,0 +1,43 @@
+// Copyright (c) 2026 GeWuYou
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+//     http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+namespace GFramework.Game.Abstractions.scene;
+
+/// <summary>
+/// 定义场景路由接口，用于管理场景的切换、卸载以及根节点绑定。
+/// </summary>
+public interface ISceneRouter
+{
+    /// <summary>
+    /// 获取当前场景的唯一标识符（键）。
+    /// </summary>
+    /// <value>当前场景的键，如果未加载任何场景则返回 null。</value>
+    string? CurrentKey { get; }
+
+    /// <summary>
+    /// 替换当前场景为指定键对应的场景。
+    /// </summary>
+    /// <param name="sceneKey">目标场景的唯一标识符（键）。</param>
+    void Replace(string sceneKey);
+
+    /// <summary>
+    /// 卸载当前场景。
+    /// </summary>
+    void Unload();
+
+    /// <summary>
+    /// 将指定的场景根节点与当前路由进行绑定。
+    /// </summary>
+    /// <param name="root">需要绑定的场景根节点。</param>
+    void BindRoot(ISceneRoot root);
+}

GFramework.Game/scene/SceneRouterBase.cs

@@ -0,0 +1,92 @@
+// Copyright (c) 2026 GeWuYou
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+//     http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+using GFramework.Core.system;
+using GFramework.Game.Abstractions.scene;
+
+namespace GFramework.Game.scene;
+
+/// <summary>
+/// 场景路由基类，提供场景切换和卸载的基础功能。
+/// 实现了 <see cref="ISceneRouter"/> 接口，用于管理场景的加载、替换和卸载操作。
+/// </summary>
+public abstract class SceneRouterBase
+    : AbstractSystem, ISceneRouter
+{
+    /// <summary>
+    /// 当前绑定的场景根节点。
+    /// </summary>
+    protected ISceneRoot? Root;
+
+    /// <summary>
+    /// 当前激活场景的键值。
+    /// </summary>
+    public string? CurrentKey { get; private set; }
+
+    /// <summary>
+    /// 绑定场景根节点。
+    /// </summary>
+    /// <param name="root">要绑定的场景根节点。</param>
+    public void BindRoot(ISceneRoot root)
+    {
+        Root = root;
+    }
+
+    /// <summary>
+    /// 替换当前场景为指定键值的新场景。
+    /// 在替换前后会调用相应的虚方法以支持扩展逻辑。
+    /// </summary>
+    /// <param name="sceneKey">目标场景的键值。</param>
+    public void Replace(string sceneKey)
+    {
+        // 调用替换前的钩子方法
+        OnBeforeReplace(sceneKey);
+
+        // 执行场景替换操作
+        Root!.Replace(sceneKey);
+
+        // 更新当前场景键值
+        CurrentKey = sceneKey;
+
+        // 调用替换后的钩子方法
+        OnAfterReplace(sceneKey);
+    }
+
+    /// <summary>
+    /// 卸载当前场景，并将当前场景键值置为空。
+    /// </summary>
+    public void Unload()
+    {
+        // 执行场景卸载操作
+        Root!.Unload();
+
+        // 清空当前场景键值
+        CurrentKey = null;
+    }
+
+    /// <summary>
+    /// 场景替换前的虚方法，可在子类中重写以实现自定义逻辑。
+    /// </summary>
+    /// <param name="key">即将被替换的场景键值。</param>
+    protected virtual void OnBeforeReplace(string key)
+    {
+    }
+
+    /// <summary>
+    /// 场景替换后的虚方法，可在子类中重写以实现自定义逻辑。
+    /// </summary>
+    /// <param name="key">已替换的场景键值。</param>
+    protected virtual void OnAfterReplace(string key)
+    {
+    }
+}