多轮审查和修复

Assets/Scripts/Enemies/AI/BD_IsHPBelow.cs

@@ -0,0 +1,32 @@
+#if GRAPH_DESIGNER
+using Opsive.BehaviorDesigner.Runtime.Tasks;
+using Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals;
+using BaseGames.Enemies;
+
+namespace BaseGames.Enemies.AI
+{
+    /// <summary>
+    /// BD Conditional：Boss HP 是否低于阈值（用于触发阶段切换）。
+    /// HPThreshold 为 0~1 归一化比例（如 0.5 = HP ≤ 50%）。
+    /// </summary>
+    public class BD_IsHPBelow : Conditional
+    {
+        [UnityEngine.SerializeField] private float m_HPThreshold = 0.5f;
+
+        private EnemyBase _enemy;
+
+        public override void OnStart()
+        {
+            _enemy = GetComponent<EnemyBase>();
+        }
+
+        public override TaskStatus OnUpdate()
+        {
+            if (_enemy == null || _enemy.Stats == null) return TaskStatus.Failure;
+
+            float ratio = (float)_enemy.Stats.CurrentHP / _enemy.Stats.MaxHP;
+            return ratio <= m_HPThreshold ? TaskStatus.Success : TaskStatus.Failure;
+        }
+    }
+}
+#endif