```

docs(clipboard): 添加剪贴板功能相关图片资源

添加了两个剪贴板功能的截图文件，用于文档说明和功能展示。
```

Assets/Script/CastleMageSkill.cs

@@ -0,0 +1,52 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CastleMageSkill : UnitSkill
+{
+    [Header("小型魔爆参数")]
+    [Min(0.1f)]
+    public float explosionRadius = 1.8f;
+
+    [Min(0f)]
+    public float explosionDamage = 85f;
+
+    public override void ReleaseSkill()
+    {
+        GameObject target = unit.Target;
+        if (target == null)
+        {
+            return;
+        }
+
+        string opponentTag = unit.OpponentTag;
+        if (string.IsNullOrEmpty(opponentTag))
+        {
+            return;
+        }
+
+        Vector3 center = target.transform.position;
+        float radiusSquared = explosionRadius * explosionRadius;
+        HashSet<UnitBase> hitUnits = new HashSet<UnitBase>();
+
+        foreach (GameObject opponent in GameObject.FindGameObjectsWithTag(opponentTag))
+        {
+            if (opponent == null || opponent.transform.root == unit.transform.root)
+            {
+                continue;
+            }
+
+            Vector3 offset = opponent.transform.position - center;
+            offset.y = 0f;
+            if (offset.sqrMagnitude > radiusSquared)
+            {
+                continue;
+            }
+
+            UnitBase targetUnit = opponent.GetComponentInParent<UnitBase>();
+            if (targetUnit != null && hitUnits.Add(targetUnit))
+            {
+                targetUnit.ReceiveDamage(explosionDamage, unit.gameObject);
+            }
+        }
+    }
+}