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/EnemyQuotaManager.cs

@@ -111,7 +111,11 @@ namespace BaseGames.Enemies
                 bool active = i < _maxActiveBehaviorTrees;
 
                 if (bt != null && bt.enabled != active)
+                {
                     bt.enabled = active;
+                    // 同步暂停/恢复 SensorToolkit Sensor，避免远处敌人无效 tick
+                    enemy.SensorHub?.SetSuspended(!active);
+                }
             }
 #endif
         }