feat: 添加局外养成系统和游戏结束面板改进

添加新的物品类型紫水晶和钻石
实现局外属性升级系统
改进游戏结束面板的返回和退出功能
添加新的UI组件用于显示属性和物品
更新游戏规则和存储系统以支持局外养成

scripts/Tools/OutGameStorage.gd

@@ -2,3 +2,20 @@ class_name OutGameStorage
 
 static var maxInitialFeedCount: int = 3
 static var maxInitialWeaponCount: int = 3
+static var inventory = {
+	ItemStore.ItemType.CRYSTAL: 0,
+	ItemStore.ItemType.DIAMOND: 0
+}
+
+static var upgradableFieldsAdvance = {
+	FieldStore.Entity.MAX_HEALTH: 10,
+	FieldStore.Entity.DAMAGE_MULTIPILER: 0.1,
+	FieldStore.Entity.ATTACK_SPEED: 0.05,
+	FieldStore.Entity.PRICE_REDUCTION: 0.02
+}
+static var upgradableFieldsValue = {
+	FieldStore.Entity.MAX_HEALTH: 0,
+	FieldStore.Entity.DAMAGE_MULTIPILER: 0,
+	FieldStore.Entity.ATTACK_SPEED: 0,
+	FieldStore.Entity.PRICE_REDUCTION: 0
+}