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/Boss/BossResource.cs

@@ -0,0 +1,104 @@
+using UnityEngine;
+using BaseGames.Enemies;
+
+namespace BaseGames.Boss
+{
+    /// <summary>
+    /// Boss 自身资源（如愤怒值）运行时组件。
+    /// 根据 <see cref="BossResourceConfigSO"/> 配置：
+    /// - 每帧以 <see cref="BossResourceConfigSO.passiveRate"/> 自动积累或消耗。
+    /// - 受击时增加 <see cref="BossResourceConfigSO.onTakeDamageGain"/>。
+    /// - 技能使用时增加 <see cref="BossResourceConfigSO.onSkillUseGain"/>。
+    /// - 满值时若 <see cref="BossResourceConfigSO.autoTriggerOnFull"/>，自动让 BossBase 执行配置的技能。
+    /// </summary>
+    public sealed class BossResource : MonoBehaviour
+    {
+        [SerializeField] private BossResourceConfigSO _config;
+        [SerializeField] private BossBase             _boss;
+
+        private float _currentValue;
+        private bool  _fullTriggered;
+
+        /// <summary>当前资源值（0 ~ config.maxValue）。</summary>
+        public float CurrentValue => _currentValue;
+
+        /// <summary>当前资源值归一化（0~1）。</summary>
+        public float NormalizedValue => _config != null && _config.maxValue > 0f
+            ? _currentValue / _config.maxValue : 0f;
+
+        private void Awake()
+        {
+            if (_boss == null) _boss = GetComponentInParent<BossBase>();
+            if (_config == null)
+            {
+                Debug.LogError("[BossResource] 未配置 BossResourceConfigSO。", this);
+                enabled = false;
+                return;
+            }
+            _currentValue = _config.startValue;
+        }
+
+        private void Update()
+        {
+            if (_config == null || !_boss.IsAlive) return;
+
+            if (_config.passiveRate != 0f)
+                AddValue(_config.passiveRate * Time.deltaTime);
+        }
+
+        // ── 外部触发 ──────────────────────────────────────────────────────────
+
+        /// <summary>Boss 受击时调用。由 BossBase.TakeDamage 覆写钩子触发。</summary>
+        public void OnBossTakeDamage()
+        {
+            if (_config == null) return;
+            AddValue(_config.onTakeDamageGain);
+        }
+
+        /// <summary>Boss 使用技能时调用。由 BossBase.UseBossSkill 触发。</summary>
+        public void OnBossUseSkill()
+        {
+            if (_config == null) return;
+            AddValue(_config.onSkillUseGain);
+        }
+
+        /// <summary>直接设置资源值（外部强制赋值，跳过满值触发）。</summary>
+        public void SetValue(float value)
+        {
+            _currentValue = Mathf.Clamp(value, 0f, _config != null ? _config.maxValue : float.MaxValue);
+        }
+
+        // ── 内部 ──────────────────────────────────────────────────────────────
+
+        private void AddValue(float delta)
+        {
+            float prev = _currentValue;
+            _currentValue = Mathf.Clamp(_currentValue + delta, 0f, _config.maxValue);
+
+            // 满值触发（从未满→满时只触发一次）
+            if (_config.autoTriggerOnFull &&
+                _currentValue >= _config.maxValue &&
+                prev < _config.maxValue &&
+                !_fullTriggered)
+            {
+                _fullTriggered = true;
+                OnReachFull();
+            }
+
+            if (_currentValue < _config.maxValue)
+                _fullTriggered = false;
+        }
+
+        private void OnReachFull()
+        {
+            if (_config.fullTriggerSkill == null || _boss == null) return;
+
+            _boss.UseBossSkill(_config.fullTriggerSkill.skillId);
+
+            if (_config.resetValueAfterTrigger > 0f)
+                _currentValue = _config.resetValueAfterTrigger;
+            else
+                _currentValue = 0f;
+        }
+    }
+}