feat: 添加召唤上限功能及相关资源

添加召唤上限字段和图标，支持武器召唤数量限制
新增小丑鱼饲料资源，包含SVG图标和场景配置
更新实体状态机以支持召唤上限检查和召唤物管理

scripts/Contents/Weapons/HJM.gd

@@ -7,6 +7,7 @@ func update(to: int, origin: Dictionary, _entity: EntityBase):
 	return origin
 func attack(entity: EntityBase):
 	var summon = entity.summon(ComponentManager.getSummon("HJM"))
+	if !summon: return true
 	summon.atk = readStore("atk")
 	summon.attackTime = readStore("time") * 1000
 	return true

scripts/Contents/Weapons/LGBTWeapon.gd

@@ -11,6 +11,7 @@ func update(to: int, origin: Dictionary, _entity: EntityBase):
 	return origin
 func attack(entity: EntityBase):
 	var summon = entity.summon(ComponentManager.getSummon("LGBTFlag"))
+	if !summon: return true
 	summon.atk = readStore("atk")
 	summon.maxTraceTime = readStore("trace") * 1000
 	summon.tracePower = readStore("power")