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_WaitUntilAbilityEnd.cs

@@ -0,0 +1,68 @@
+#if GRAPH_DESIGNER
+using UnityEngine;
+using Opsive.BehaviorDesigner.Runtime.Tasks;
+using Opsive.BehaviorDesigner.Runtime.Tasks.Actions;
+using BaseGames.Enemies;
+using BaseGames.Enemies.Abilities;
+
+namespace BaseGames.Enemies.AI
+{
+    /// <summary>
+    /// BD Action：等待指定能力执行结束后返回 Success。
+    /// 适用于需要同步等待某个由外部触发的能力（而非本节点触发）的场景。
+    ///
+    /// 返回 Running：能力正在执行。
+    /// 返回 Success：能力执行完毕（IsRunning = false）。
+    /// 返回 Failure：能力不存在，或超时保护触发。
+    ///
+    /// 典型用法：Sequence [ BD_UseAbility(A) → BD_WaitUntilAbilityEnd(B) ] 等待 B 被 A 内部链式触发后结束。
+    /// </summary>
+    [TaskName("Wait Until Ability End")]
+    [TaskCategory("BaseGames/Enemy/Combat")]
+    [TaskDescription("等待指定能力执行完成后返回 Success")]
+    public sealed class BD_WaitUntilAbilityEnd : Action
+    {
+        [Tooltip("可直接拖拽 EnemyAbilitySO 资产（推荐），或填写裸字符串 ID 作为兜底")]
+        [SerializeField] private EnemyAbilitySO m_AbilitySO;
+        [SerializeField] private string         m_AbilityId = "";
+
+        [Tooltip("超时保护（秒）；0 = 永不超时")]
+        [SerializeField, Min(0f)] private float m_Timeout = 5f;
+
+        private EnemyBase        _enemy;
+        private EnemyAbilityBase _ability;
+        private float            _deadline;
+
+        public override void OnAwake() => _enemy = GetComponent<EnemyBase>();
+
+        public override void OnStart()
+        {
+            _ability  = null;
+            _deadline = m_Timeout > 0f ? Time.time + m_Timeout : float.MaxValue;
+
+            if (_enemy == null) return;
+            string id = m_AbilitySO != null ? m_AbilitySO.abilityId : m_AbilityId;
+            if (!string.IsNullOrEmpty(id))
+                _ability = _enemy.Abilities?.Get(id);
+        }
+
+        public override TaskStatus OnUpdate()
+        {
+            if (_ability == null) return TaskStatus.Failure;
+
+            if (Time.time >= _deadline)
+            {
+                Debug.LogWarning($"[BD_WaitUntilAbilityEnd] 能力 '{_ability.Config?.abilityId}' 超时，强制中断", gameObject);
+                // 强制中断仍在运行的能力，防止 HitBox/动画协程泄漏
+                if (_ability.IsRunning)
+                    _ability.Interrupt(InterruptReason.ExternalRequest);
+                return TaskStatus.Failure;
+            }
+
+            return _ability.IsRunning ? TaskStatus.Running : TaskStatus.Success;
+        }
+
+        public override void OnEnd() => _ability = null;
+    }
+}
+#endif