feat(hero): add hero upgrade function

1. 新增英雄升级相关UI控件与事件流程
2. 实现升级消耗计算与统一扣费逻辑
3. 添加升级预览确认弹窗与属性成长展示
4. 开放tryUpgradeHeroByEid与applyHeroLevel为公共方法

assets/script/game/map/MissionCardComp.ts

@@ -371,6 +371,7 @@ export class MissionCardComp extends CCComp {
         oops.message.on(GameEvent.ShowSmallTip, this.onShowSmallTip, this);
         oops.message.on(GameEvent.CardUsed, this.onCardUsed, this);
         oops.message.on(GameEvent.HeroBoxEmptyClick, this.onHeroBoxEmptyClick, this);
+        oops.message.on(GameEvent.HeroUpgrade, this.onHeroUpgrade, this);
 
         /** 按钮触控事件：抽卡 */
         this.cards_chou?.on(NodeEventType.TOUCH_START, this.onDrawTouchStart, this);
@@ -614,6 +615,7 @@ export class MissionCardComp extends CCComp {
         oops.message.off(GameEvent.ShowSmallTip, this.onShowSmallTip, this);
         oops.message.off(GameEvent.CardUsed, this.onCardUsed, this);
         oops.message.off(GameEvent.HeroBoxEmptyClick, this.onHeroBoxEmptyClick, this);
+        oops.message.off(GameEvent.HeroUpgrade, this.onHeroUpgrade, this);
         if (this.cards_chou && this.cards_chou.isValid) {
             this.cards_chou.off(NodeEventType.TOUCH_START, this.onDrawTouchStart, this);
             this.cards_chou.off(NodeEventType.TOUCH_END, this.onDrawTouchEnd, this);
@@ -694,6 +696,28 @@ export class MissionCardComp extends CCComp {
         this.refreshHeroBoxSlots();
     }
 
+    /**
+     * 英雄面板升级请求回调（由 HeroBoxComp 确认弹窗后派发）。
+     * 扣费成功后按 eid 精确升级；金币不足或不可升级时 toast 提示。
+     */
+    private onHeroUpgrade(event: string, args: any) {
+        const payload = args ?? event;
+        const eid: number = payload?.eid ?? 0;
+        if (!eid) return;
+        const actor = this.queryAliveHeroActors().find(item => item.eid === eid);
+        if (!actor) return;
+        if (actor.model.lv >= FightSet.HERO_MAX_LV) {
+            oops.gui.toast(`已达最高等级`);
+            return;
+        }
+        // 统一经济管理入口：按当前等级扣费
+        if (!MissionEconomy.executeUpgradeCost(actor.model.lv)) {
+            oops.gui.toast(`金币不足`);
+            return;
+        }
+        this.tryUpgradeHeroByEid(eid);
+    }
+
     /** 英雄升级事件回调：刷新英雄信息盒显示 */
     private onHeroLvUp() {
         this.refreshHeroBoxSlots();
@@ -1818,7 +1842,7 @@ export class MissionCardComp extends CCComp {
      * @param heroEid 要升级的英雄实体 eid
      * @returns true = 升级成功
      */
-    private tryUpgradeHeroByEid(heroEid: number): boolean {
+    public tryUpgradeHeroByEid(heroEid: number): boolean {
         if (!heroEid) return false;
         const actor = this.queryAliveHeroActors().find(item => item.eid === heroEid);
         if (!actor) return false;
@@ -1835,7 +1859,7 @@ export class MissionCardComp extends CCComp {
      * 应用英雄等级变化（属性按 HERO_LV_MULTIPLIER 重新计算）。
      * 沿用旧版本 SkillLvUp 的技能等级映射规则。
      */
-    private applyHeroLevel(model: HeroAttrsComp, targetLv: number) {
+    public applyHeroLevel(model: HeroAttrsComp, targetLv: number) {
         const hero = HeroInfo[model.hero_uuid];
         if (!hero) return;
         const nextLv = Math.max(1, Math.min(FightSet.HERO_MAX_LV, Math.floor(targetLv)));