```

feat(gameplay): 更新单位属性和材质配置

- 调整多个单位的基础生命值和攻击力数值平衡
- 修改CoreBattleGround材质的纹理缩放比例
- 更新地砖材质颜色为白色
- 优化纹理资源设置，调整最大纹理尺寸并添加PlayableAds平台支持
- 修复弓箭手技能目标查找逻辑，改用统一的敌人检测方法
- 为水晶矿添加中立阵营设置和光球视觉效果同步
- 调整预制体中的全局缩放参数
- 为狼人和石巨人添加NavMeshAgent组件支持
- 优化水晶矿血条显示位置计算方式
```

Assets/Script/CastleSpawnManager.cs

@@ -0,0 +1,77 @@
+using UnityEngine;
+
+/// <summary>
+/// 拆家版出兵管理：从城堡前方出兵点生成单位，消耗能量。
+/// 替代旧的召唤师身边召唤逻辑。
+/// </summary>
+public class CastleSpawnManager : MonoBehaviour
+{
+    public static CastleSpawnManager Instance { get; private set; }
+
+    [Header("出兵点（城堡前方）")]
+    public Transform blueSpawnPoint;
+    public Transform redSpawnPoint;
+
+    private void Awake()
+    {
+        if (Instance != null && Instance != this) { Destroy(gameObject); return; }
+        Instance = this;
+    }
+
+    /// <summary>从指定阵营城堡出兵，消耗能量。teamId: 0=蓝, 1=红。</summary>
+    public bool TrySpawn(CharacterData data, int teamId)
+    {
+        if (data == null || data.unitPrefab == null) return false;
+        if (ManaSystem.Instance == null || !ManaSystem.Instance.TryConsumeMana(data.manaCost))
+        {
+            Debug.Log($"能量不足，需要 {data.manaCost}");
+            return false;
+        }
+
+        Transform spawnPoint = teamId == 0 ? blueSpawnPoint : redSpawnPoint;
+        if (spawnPoint == null)
+        {
+            Debug.LogError($"找不到 teamId={teamId} 的出兵点");
+            return false;
+        }
+
+        Vector3 direction = spawnPoint.forward;
+        direction.y = 0f;
+        if (direction.sqrMagnitude < 0.001f) direction = Vector3.forward;
+        direction.Normalize();
+
+        GameObject unit = Instantiate(
+            data.unitPrefab,
+            spawnPoint.position,
+            Quaternion.LookRotation(direction, Vector3.up));
+
+        // 设置阵营
+        UnitTeam unitTeam = unit.GetComponent<UnitTeam>();
+        if (unitTeam != null)
+        {
+            unitTeam.teamId = teamId;
+            unit.tag = teamId == 0 ? "Friend" : "Enemy";
+        }
+
+        // 初始化属性（默认 1 级）
+        UnitBase unitBase = unit.GetComponent<UnitBase>();
+        if (unitBase != null)
+        {
+            PlayerCharacterData playerData = new PlayerCharacterData("castle_spawn", 1, 0);
+            float hp = playerData.GetMaxHealth(data);
+            float atk = playerData.GetAttackPower(data);
+            float spd = playerData.GetMoveSpeed(data);
+            unitBase.InitializeFromPlayerData(hp, atk, spd);
+        }
+
+        Debug.Log($"城堡出兵: {data.characterName} teamId={teamId} pos={spawnPoint.position}");
+        return true;
+    }
+
+    public bool CanAfford(CharacterData data)
+    {
+        return data != null
+            && ManaSystem.Instance != null
+            && ManaSystem.Instance.CurrentManaInt >= data.manaCost;
+    }
+}