feat(map): 新增英雄出售事件并更新场上英雄数量UI

- 新增GameEvent.HeroSell事件枚举，在英雄出售时派发通知
- 在HInfoComp中添加事件派发代码，在MissionCardComp中注册监听更新UI
- 调整英雄统计逻辑与事件派发逻辑，简化最大英雄数量获取函数
- 为多款英雄预制体添加影子显示组件

assets/script/game/map/HInfoComp.ts

@@ -309,6 +309,9 @@ export class HInfoComp extends CCComp {
         // 使用统一经济管理入口出售英雄（按等级计算卖价）
         MissionEconomy.executeSellHero(heroLv);
 
+        // 派发英雄出售事件，通知 MissionCardComp 更新场上英雄数量
+        oops.message.dispatchEvent(GameEvent.HeroSell, { eid: this.eid });
+
         this.isClosing = true;
         oops.gui.remove(UIID.HInfo);
     }

assets/script/game/map/MissionCardComp.ts

@@ -257,6 +257,7 @@ export class MissionCardComp extends CCComp {
         oops.message.on(GameEvent.CoinAdd, this.onCoinAdd, this);
         oops.message.on(GameEvent.MasterCalled, this.onMasterCalled, this);
         oops.message.on(GameEvent.HeroDead, this.onHeroDead, this);
+        oops.message.on(GameEvent.HeroSell, this.onHeroSell, this);
         oops.message.on(GameEvent.UseHeroCard, this.onUseHeroCard, this);
         oops.message.on(GameEvent.UseSpecialCard, this.onUseSpecialCard, this);
         oops.message.on(GameEvent.CardPoolUpgrade, this.onCardPoolUpgrade, this);
@@ -337,6 +338,7 @@ export class MissionCardComp extends CCComp {
         oops.message.off(GameEvent.CoinAdd, this.onCoinAdd, this);
         oops.message.off(GameEvent.MasterCalled, this.onMasterCalled, this);
         oops.message.off(GameEvent.HeroDead, this.onHeroDead, this);
+        oops.message.off(GameEvent.HeroSell, this.onHeroSell, this);
         oops.message.off(GameEvent.UseHeroCard, this.onUseHeroCard, this);
         oops.message.off(GameEvent.UseSpecialCard, this.onUseSpecialCard, this);
         oops.message.off(GameEvent.CardPoolUpgrade, this.onCardPoolUpgrade, this);
@@ -372,6 +374,11 @@ export class MissionCardComp extends CCComp {
         this.updateHeroNumUI(true, false);
     }
 
+    /** 英雄被出售事件回调：更新英雄数量 UI */
+    private onHeroSell() {
+        this.updateHeroNumUI(true, false);
+    }
+
     /**
      * 使用英雄卡的 guard 校验（由 CardComp 通过 UseHeroCard 事件调用）：
      *   - 当前英雄数 < 上限 → 允许使用。
@@ -847,7 +854,7 @@ export class MissionCardComp extends CCComp {
         let count = 0;
         ecs.query(ecs.allOf(HeroAttrsComp)).forEach((entity: ecs.Entity) => {
             const model = entity.get(HeroAttrsComp);
-            if (model && model.fac === FacSet.HERO && !model.is_dead) {
+            if (model && model.fac === FacSet.HERO ) {
                 count++;
             }
         });
@@ -972,8 +979,8 @@ export class MissionCardComp extends CCComp {
 
 
     private getMissionHeroMaxNum(): number {
-        const missionData = this.getMissionData();
-        return Math.max(FightSet.HERO_MAX_NUM, Math.floor(missionData?.hero_max_num ?? FightSet.HERO_MAX_NUM));
+       
+        return FightSet.HERO_MAX_NUM
     }
 
     private syncMissionHeroData(count?: number) {