```

feat(gameplay): 提升单位检测范围并添加法师属性

- 将所有单位的检测范围从默认值提升至100
- 为法师预制体添加护盾、等级等新属性
- 为法师添加暴击、吸血、伤害减免等战斗属性
- 更换法师弹丸预设并调整相关参数
- 添加锚点交战Z线控制功能
- 更新玩家数据中配备的召唤师技能
- 移除多余的纹理配置文件
```

Assets/Scripts/UI脚本/WorldHealthBar.cs

@@ -9,6 +9,20 @@ public class WorldHealthBar : MonoBehaviour
     // 当前生命值，范围会自动限制在 0 到 maxHealth 之间。
     [Min(0f)] public float currentHealth = 100f;
 
+    [Header("护盾")]
+    public float currentShield = 0f;
+
+    /// <summary>
+    /// 为单位添加护盾
+    /// </summary>
+    public void AddShield(float amount)
+    {
+        if (amount <= 0f || isDead) return;
+        currentShield += amount;
+        UpdateFill();
+        Debug.Log($"{gameObject.name} 获得护盾 +{amount:F1}，当前护盾: {currentShield:F1}");
+    }
+
     // 技能能量上限，英雄默认使用100点；没有技能的小怪可关闭能量条。
     [Header("技能能量")]
     public bool showEnergyBar = true;
@@ -88,8 +102,14 @@ public class WorldHealthBar : MonoBehaviour
     // 血条最终使用的世界宽度。
     private float worldWidth;
 
-    // 所有血条共用的圆角 Sprite。
+    [Header("等级显示")]
+    public int unitLevel = 1;
+
+    // 所有血条共用的圆角 Sprite 和圆形 Sprite。
     private static Sprite roundedSprite;
+    private static Sprite circleSprite;
+    private Text levelText;
+    private Image levelBadgeBg;
 
     // 防止死亡逻辑重复执行。
     private bool isDead;
@@ -97,6 +117,15 @@ public class WorldHealthBar : MonoBehaviour
     // 公开死亡状态供外部查询（用于胜负判定）
     public bool IsDead => isDead;
 
+    public void SetLevel(int level)
+    {
+        unitLevel = Mathf.Max(1, level);
+        if (levelText != null)
+        {
+            levelText.text = unitLevel.ToString();
+        }
+    }
+
     // 初始化血量和血条 UI。
     private void Awake()
     {
@@ -133,16 +162,16 @@ public class WorldHealthBar : MonoBehaviour
         canvas.worldCamera = camera;
         if (camera.gameObject.name == "Main Camera")
         {
-            // 使用摄像机的上方向，保证血条在摄像机画面中保持水平。
+            // 面向摄像机背面，保证 UI 左右方向不发生镜像反转
             barRect.rotation = Quaternion.LookRotation(
-                camera.transform.position - barRect.position,
+                barRect.position - camera.transform.position,
                 camera.transform.up);
         }
         else
         {
             // 找不到 Main Camera 时，保留原来的展示逻辑。
             barRect.rotation = Quaternion.LookRotation(
-                camera.transform.position - barRect.position,
+                barRect.position - camera.transform.position,
                 Vector3.up);
         }
     }
@@ -181,12 +210,27 @@ public class WorldHealthBar : MonoBehaviour
     public void TakeDamage(float amount, GameObject attacker = null)
     {
         bool wasDead = isDead;
-        SetHealth(currentHealth - amount);
-        if (showDamageNumbers && amount > 0f && !wasDead)
+        float originalDamage = amount;
+
+        // 优先消耗护盾抵扣伤害
+        if (currentShield > 0f && amount > 0f)
+        {
+            float absorbed = Mathf.Min(currentShield, amount);
+            currentShield -= absorbed;
+            amount -= absorbed;
+            Debug.Log($"{gameObject.name} 护盾吸收了 {absorbed:F1} 伤害，剩余护盾: {currentShield:F1}");
+        }
+
+        if (amount > 0f)
+        {
+            SetHealth(currentHealth - amount);
+        }
+
+        if (showDamageNumbers && originalDamage > 0f && !wasDead)
         {
             // 判断受击者（自己）是否是友方（Friend tag）
             bool isVictimFriend = gameObject.CompareTag("Friend");
-            SpawnDamageNumber(amount, false, isVictimFriend);
+            SpawnDamageNumber(originalDamage, false, isVictimFriend);
         }
     }
 
@@ -451,6 +495,7 @@ public class WorldHealthBar : MonoBehaviour
         if (!showEnergyBar)
         {
             energyFillImage = null;
+            CreateLevelBadge(barObject.transform);
             return;
         }
 
@@ -476,6 +521,8 @@ public class WorldHealthBar : MonoBehaviour
         energyInner.fillMethod = Image.FillMethod.Horizontal;
         energyInner.fillOrigin = 0;
         energyFillImage = energyInner;
+
+        CreateLevelBadge(barObject.transform);
     }
 
     private void ApplyScaleCompensation()
@@ -539,6 +586,83 @@ public class WorldHealthBar : MonoBehaviour
         return new Color(1f, 0.72f, 0.08f, 1f);
     }
 
+    // 创建圆形 Sprite 用于等级徽章背景。
+    private static Sprite CircleSprite()
+    {
+        if (circleSprite != null) return circleSprite;
+
+        Texture2D texture = new Texture2D(64, 64, TextureFormat.RGBA32, false);
+        float radius = 30f;
+        Vector2 center = new Vector2(31.5f, 31.5f);
+
+        for (int y = 0; y < 64; y++)
+        {
+            for (int x = 0; x < 64; x++)
+            {
+                float dist = Vector2.Distance(new Vector2(x, y), center);
+                if (dist > radius)
+                {
+                    texture.SetPixel(x, y, Color.clear);
+                }
+                else
+                {
+                    float alpha = Mathf.Clamp01(radius + 0.5f - dist);
+                    texture.SetPixel(x, y, new Color(1f, 1f, 1f, alpha));
+                }
+            }
+        }
+        texture.Apply();
+        circleSprite = Sprite.Create(texture, new Rect(0, 0, 64, 64), new Vector2(0.5f, 0.5f));
+        return circleSprite;
+    }
+
+    // 创建血条左侧的圆圈等级徽章
+    private void CreateLevelBadge(Transform parent)
+    {
+        int badgeSize = 26; // 圆圈徽章直径
+        GameObject badgeObj = new GameObject("LevelBadge", typeof(RectTransform));
+        badgeObj.transform.SetParent(parent, false);
+
+        RectTransform badgeRect = badgeObj.GetComponent<RectTransform>();
+        badgeRect.anchorMin = new Vector2(0f, 1f);
+        badgeRect.anchorMax = new Vector2(0f, 1f);
+        badgeRect.pivot = new Vector2(1f, 0.5f); // 右边缘切齐，紧贴血条左边缘
+        badgeRect.sizeDelta = new Vector2(badgeSize, badgeSize);
+        badgeRect.anchoredPosition = new Vector2(2f, -PixelHeight * 0.5f); // 总是对齐第一行血条中心
+
+        // 外层黑边圆圈
+        Image outerCircle = CreateImage("OuterCircle", badgeRect, CircleSprite(), new Color(0.05f, 0.05f, 0.05f, 0.95f));
+        SetFullRect(outerCircle.rectTransform);
+
+        // 内层深色底板
+        Image innerCircle = CreateImage("InnerCircle", outerCircle.transform, CircleSprite(), new Color(0.12f, 0.18f, 0.15f, 1f));
+        innerCircle.rectTransform.anchorMin = Vector2.zero;
+        innerCircle.rectTransform.anchorMax = Vector2.one;
+        innerCircle.rectTransform.offsetMin = new Vector2(2f, 2f);
+        innerCircle.rectTransform.offsetMax = new Vector2(-2f, -2f);
+        levelBadgeBg = innerCircle;
+
+        // 居中阿拉伯数字 Text
+        GameObject textObj = new GameObject("LevelText", typeof(RectTransform), typeof(Text));
+        textObj.transform.SetParent(innerCircle.transform, false);
+
+        RectTransform textRect = textObj.GetComponent<RectTransform>();
+        SetFullRect(textRect);
+
+        levelText = textObj.GetComponent<Text>();
+        levelText.text = unitLevel.ToString();
+        levelText.font = GetBuiltinFont();
+        levelText.fontSize = 18;
+        levelText.fontStyle = FontStyle.Bold;
+        levelText.alignment = TextAnchor.MiddleCenter;
+        levelText.color = new Color(0.95f, 0.98f, 0.95f, 1f);
+
+        // 加上外发光/描边效果
+        var shadow = textObj.AddComponent<Shadow>();
+        shadow.effectColor = new Color(0f, 0f, 0f, 0.9f);
+        shadow.effectDistance = new Vector2(1f, -1f);
+    }
+
     // 创建一个用于边框或填充的 UI Image。
     private static Image CreateImage(string name, Transform parent, Sprite sprite, Color color)
     {