Refactor code structure for improved readability and maintainability

Assets/_Game/Scripts/Enemies/Abilities/PlayClipAbility.cs

@@ -0,0 +1,24 @@
+using System.Collections;
+using Animancer;
+using UnityEngine;
+
+namespace BaseGames.Enemies.Abilities
+{
+    /// <summary>
+    /// 播放单个动画 Clip 并等待完成后退出（无副作用）。
+    /// 可复用于任何需要"播一段动画即完成"的能力（如出场激活、台词演出等）。
+    /// </summary>
+    public class PlayClipAbility : EnemyAbilityBase
+    {
+        [SerializeField] private ClipTransition _clip;
+
+        protected override IEnumerator ExecuteCoroutine()
+        {
+            Phase = AbilityRunState.Active;
+            if (_clip.Clip == null) yield break;
+
+            _animancer.Play(_clip);
+            yield return EnemyAbilityWaits.Get(_clip.Clip.length);
+        }
+    }
+}