feat(战斗系统): 扩展为4条战斗线路并调整相关配置

- 将战斗线路从2条扩展为4条，新增LINE3和LINE4
- 修改Monster生成逻辑以支持4条线路
- 更新英雄刘邦的技能配置
- 调整基础攻击技能消耗为0
- 更新地图预制体以包含新增线路

assets/script/game/common/config/SkillSet.ts

@@ -166,7 +166,7 @@ export const SkillSet: Record<number, SkillConfig> = {
     // ========== 基础攻击 ========== 6001-6099
     6001: {
         uuid:6001,name:"挥击",sp_name:"atk_s1",icon:"3036",TGroup:TGroup.Enemy,SType:SType.damage,act:"atk",DTType:DTType.single,DType:DType.ATK,
-        ap:100,cd:1,t_num:1,hit_num:1,hit:1,hitcd:0.2,speed:720,cost:10,with:0,dis:80,
+        ap:100,cd:1,t_num:1,hit_num:1,hit:1,hitcd:0.2,speed:720,cost:0,with:0,dis:80,
         ready:0,EAnm:0,DAnm:9001,RType:RType.fixed,EType:EType.animationEnd,
         buffs:[],neAttrs:[],info:"向最前方敌人扔出石斧,造成100%攻击的伤害",
     },