feat: Implement Room Streaming System

- Add RoomStreamingManager to manage room loading and unloading based on player proximity.
- Create StreamingBudgetConfigSO for memory and performance budgeting of the streaming system.
- Introduce TransitionDirector to handle seamless and atmospheric fade transitions between rooms.
- Develop WorldGraph to represent room connectivity and facilitate neighbor queries and distance calculations.
- Implement RoomNode and RoomEdge classes to structure room data and connections.

Assets/_Game/Scripts/Enemies/AI/BD_OnParried.cs

@@ -0,0 +1,30 @@
+#if GRAPH_DESIGNER
+using Opsive.BehaviorDesigner.Runtime.Tasks;
+using Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals;
+using BaseGames.Enemies;
+
+namespace BaseGames.Enemies.AI
+{
+    /// <summary>
+    /// BD Conditional Task：检查敌人本次 BT Tick 内是否发生了弹反事件。
+    ///
+    /// 返回 <c>Success</c> 时同时清除标志（每次弹反只触发一次响应分支）。
+    /// 典型用法：在 BD 树根部优先分支放置此条件，触发时执行受击硬直 / 反制动画等子树。
+    /// </summary>
+    [TaskName("On Parried?")]
+    [TaskCategory("BaseGames/Enemy/Utility")]
+    [TaskDescription("检查上一次攻击是否被玩家格挡（用于 Boss 反制逻辑）")]
+    public class BD_OnParried : Conditional
+    {
+        private EnemyBase _enemy;
+
+        public override void OnAwake() => _enemy = GetComponent<EnemyBase>();
+
+        public override TaskStatus OnUpdate()
+        {
+            if (_enemy == null) return TaskStatus.Failure;
+            return _enemy.ConsumeParryEvent() ? TaskStatus.Success : TaskStatus.Failure;
+        }
+    }
+}
+#endif