CombatNodeComponent 战斗节点功能补全

- 失败逻辑补全：添加基地血量，当血量归0时强制结束关卡
- `CombatInfoForm` 刷新逻辑补全：通过订阅 `CombatCoinChanged/Process/BaseHpChangedEventArgs` 来更新 UI，同时可以避免一点小变动刷新整个 UI
- `CombatSelectForm` 逻辑优化：订阅 `CombatCoinChanged` 来实时更新当前 Coin 是否满足操作条件

Assets/GameMain/Scripts/Entity/EntityLogic/EnemyEntity.cs

@@ -91,7 +91,6 @@ namespace GeometryTD.Entity
             _maxHealth = 0;
             _currentHealth = 0;
             _activeEnemies.Remove(this);
-            _killedEnemyEntityIds.Remove(Id);
 
             base.OnHide(isShutdown, userData);
         }
@@ -99,10 +98,6 @@ namespace GeometryTD.Entity
         private void OnDestroy()
         {
             _activeEnemies.Remove(this);
-            if (Entity != null)
-            {
-                _killedEnemyEntityIds.Remove(Entity.Id);
-            }
         }
 
         public void TakeDamage(int damage, AttackPropertyType attackPropertyType)
@@ -196,4 +191,4 @@ namespace GeometryTD.Entity
             GameEntry.Entity.HideEntity(Entity);
         }
     }
-}
+}

Assets/GameMain/Scripts/Entity/EntityLogic/MapEntity.cs

@@ -18,8 +18,8 @@ namespace GeometryTD.Entity
 
         [SerializeField] private bool _enableCombatSelectInput = true;
         [SerializeField] private int _towerTypeId = DefaultTowerTypeId;
-        [SerializeField] private int[] _buildTowerCosts = { 80, 120, 160, 220 };
-        [SerializeField] private int _upgradeCost = 80;
+        [SerializeField] private int[] _buildTowerCosts = { 40, 60, 60, 80 };
+        [SerializeField] private int _upgradeCost = 50;
         [SerializeField] private int _destroyGain = 40;
 
         private MapDataRefs _mapDataRefs;