refactor(map): 重构局内经济系统，统一封装金币操作逻辑

新建MissionEconomy类作为局内经济统一管理入口，整合原分散在HInfoComp、MissionComp、CardComp、MissionCardComp中的金币计算、消费、收益统计逻辑，移除各组件中重复的getMissionCoin、setMissionCoin、getRefreshCost等工具方法，统一维护评分系统的金币统计，提升代码可维护性。

assets/script/game/map/HInfoComp.ts

@@ -35,6 +35,7 @@ import { mLogger } from "../common/Logger";
 import { MissionHeroCompComp } from "./MissionHeroComp";
 import { MoveComp } from "../hero/MoveComp";
 import { FacSet } from "../common/config/GameSet";
+import { MissionEconomy } from "./MissionEconomy";
 
 const {property, ccclass } = _decorator;
 
@@ -311,19 +312,8 @@ export class HInfoComp extends CCComp {
         });
         if (!removed) return;
         
-        // 卖出英雄金币收益
-        const baseSellGold = 1; // 基础卖出金币
-        const goldBoost = HeroAttrsComp.getFieldSkillTotalValue(FieldSkillType.SellGold);
-        let totalSellGold = baseSellGold + goldBoost;
-
-        // 应用天赋 SellBonus (增加数值)
-        const bonusGold = HeroAttrsComp.getTalentValue(TalentType.SellBonus);
-        if (bonusGold > 0) {
-            totalSellGold += bonusGold;
-        }
-        totalSellGold = Math.floor(totalSellGold);
-
-        oops.message.dispatchEvent(GameEvent.CoinAdd, { delta: totalSellGold });
+        // 使用统一经济管理入口出售英雄
+        MissionEconomy.executeSellHero();
         
         oops.gui.remove(UIID.IBox);
     }