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/Perception/EnemySensorHub.cs

@@ -0,0 +1,89 @@
+using System.Collections.Generic;
+using UnityEngine;
+using Micosmo.SensorToolkit;
+
+namespace BaseGames.Enemies.Perception
+{
+    /// <summary>
+    /// 敌人感知 Hub（架构 07_EnemyModule §9）。
+    /// 集中暴露挂载在敌人 Prefab 上的各种 SensorToolkit Sensor，BD 任务通过
+    /// 字符串槽位查询，避免在 BD 任务 Inspector 中拖具体 Sensor 引用。
+    ///
+    /// 典型槽位命名约定：
+    /// - "aggro"         : RangeSensor2D，玩家入侵警戒圈
+    /// - "attack_melee"  : RangeSensor2D，近战触发距离
+    /// - "attack_range"  : RangeSensor2D，远程触发距离
+    /// - "los"           : LOSSensor2D，视线
+    /// - "wall_ahead"    : RaySensor2D，前方墙体检测
+    /// - "ledge"         : RaySensor2D，前方悬崖检测
+    /// </summary>
+    [DisallowMultipleComponent]
+    public sealed class EnemySensorHub : MonoBehaviour, IPerceptionSystem
+    {
+        [System.Serializable]
+        public struct SensorSlot
+        {
+            public string slotName;
+            public Sensor sensor;
+        }
+
+        [SerializeField] private SensorSlot[] _slots;
+
+        private Dictionary<string, Sensor> _map;
+
+        private void Awake()
+        {
+            _map = new Dictionary<string, Sensor>(_slots?.Length ?? 0);
+            if (_slots == null) return;
+            for (int i = 0; i < _slots.Length; i++)
+            {
+                var s = _slots[i];
+                if (s.sensor != null && !string.IsNullOrEmpty(s.slotName))
+                    _map[s.slotName] = s.sensor;
+            }
+        }
+
+        public Sensor Get(string slotName)
+        {
+            if (_map == null || string.IsNullOrEmpty(slotName)) return null;
+            _map.TryGetValue(slotName, out var s);
+            return s;
+        }
+
+        public bool IsDetecting(string slotName, GameObject target)
+        {
+            var s = Get(slotName);
+            return s != null && target != null && s.IsDetected(target);
+        }
+
+        public bool HasAnyDetection(string slotName)
+        {
+            var s = Get(slotName);
+            if (s == null) return false;
+            foreach (var _ in s.Detections) return true;
+            return false;
+        }
+
+        public GameObject GetFirstDetection(string slotName)
+        {
+            var s = Get(slotName);
+            if (s == null) return null;
+            foreach (var go in s.Detections) return go;
+            return null;
+        }
+
+        /// <summary>
+        /// 暂停或恢复所有插槽的 Sensor。
+        /// 当敌人超出 QuotaManager 活跃范围时调用（关闭），归入活跃范围时恢复（开启）。
+        /// </summary>
+        public void SetSuspended(bool suspended)
+        {
+            if (_slots == null) return;
+            for (int i = 0; i < _slots.Length; i++)
+            {
+                var sensor = _slots[i].sensor;
+                if (sensor != null) sensor.enabled = !suspended;
+            }
+        }
+    }
+}