添加mcp服务器

优化敌人AI，修改成双重规则寻敌

unity/Assets/eco/EchoSystem.cs

@@ -162,5 +162,34 @@ namespace IndianOceanAssets.Engine2_5D
         }
 
         public bool IsActive => _state != State.Idle;
+
+        // ===== 编辑器可视化 =====
+        private void OnDrawGizmosSelected()
+        {
+            // 绘制回声最大范围（青色线框）
+            Gizmos.color = new Color(0f, 1f, 1f, 0.3f);
+            Gizmos.DrawWireSphere(transform.position, maxRadius);
+            
+            // 绘制当前波纹半径（如果在扩散中）
+            if (_state != State.Idle && _radius > 0)
+            {
+                Gizmos.color = new Color(1f, 1f, 0f, 0.5f);
+                Gizmos.DrawWireSphere(new Vector3(_center.x, transform.position.y, _center.y), _radius);
+                
+                // 绘制波纹中心
+                Gizmos.color = Color.yellow;
+                Gizmos.DrawWireSphere(new Vector3(_center.x, transform.position.y, _center.y), 0.3f);
+            }
+            
+            // 绘制冷却时间指示
+            if (Time.time < _lastEchoTime + cooldown)
+            {
+                float remaining = (_lastEchoTime + cooldown) - Time.time;
+                float cooldownRatio = remaining / cooldown;
+                
+                Gizmos.color = new Color(1f, 0f, 0f, 0.3f);
+                Gizmos.DrawWireSphere(transform.position, maxRadius * cooldownRatio);
+            }
+        }
     }
 }