Refactor code structure for improved readability and maintainability

Assets/_Game/Scripts/Enemies/E005_FeiZhi.cs

@@ -0,0 +1,66 @@
+using System.Collections;
+using Animancer;
+using BaseGames.Combat;
+using BaseGames.Core;
+using BaseGames.Core.Pool;
+using UnityEngine;
+
+namespace BaseGames.Enemies
+{
+    /// <summary>
+    /// E005 肥蛭（精英怪）。
+    /// 特性：
+    /// - 撕咬（MeleeVulnerabilityAbility）含后摇脆弱窗口
+    /// - 死亡两阶段：Death_Pre 无敌演出（含 AnimationEvent spawn_e003）→ base.Die()
+    /// </summary>
+    public class E005_FeiZhi : EnemyBase
+    {
+        [Header("死亡演出")]
+        [SerializeField] private ClipTransition _deathPreClip;
+        [SerializeField] private HurtBox        _hurtBox;
+        [SerializeField] private float          _deathPreDuration = 3f;
+
+        [Header("生成 E003（Death_Pre AnimationEvent 触发）")]
+        [SerializeField] private int   _spawnCount  = 3;
+        [SerializeField] private float _spawnRadius = 1.5f;
+
+        /// <summary>
+        /// Death_Pre 动画适当帧的 AnimationEvent 调用 SpawnProjectile("spawn_e003") 生成幼蛭。
+        /// </summary>
+        public override void SpawnProjectile(string payload)
+        {
+            if (payload != "spawn_e003") return;
+
+            var pool = BaseGames.Core.ServiceLocator.GetOrDefault<IObjectPoolService>();
+            if (pool == null) return;
+
+            for (int i = 0; i < _spawnCount; i++)
+            {
+                Vector2 offset = Random.insideUnitCircle * _spawnRadius;
+                pool.Spawn("ENM_YouZhi", (Vector2)transform.position + offset, Quaternion.identity);
+            }
+        }
+
+        protected override void Die()
+        {
+            StartCoroutine(DeathSequence());
+        }
+
+        private IEnumerator DeathSequence()
+        {
+            StopBehaviorTree();
+            StopMovement();
+
+            if (_hurtBox != null)
+                _hurtBox.enabled = false;
+
+            if (_deathPreClip.Clip != null)
+            {
+                Animancer.Play(_deathPreClip);
+                yield return new WaitForSeconds(_deathPreDuration);
+            }
+
+            base.Die();
+        }
+    }
+}