feat(天赋系统): 实现天赋效果并应用至相关游戏系统

- 在 MissionCardComp 中应用 RefreshDiscount 天赋以减少刷新消耗
- 在 CardComp 中应用 BuyDiscount 天赋以减少英雄购买消耗
- 在 HInfoComp 中应用 SellBonus 天赋以增加英雄出售收益
- 统一 TalentType 枚举类型，增强类型安全性
- 更新 SingletonModuleComp 中 talents 数据结构以支持类型化
- 修改 HeroAttrsComp.getTalentValue 方法参数类型为 TalentType

assets/script/game/map/CardComp.ts

@@ -30,6 +30,8 @@ import { GameEvent } from "../common/config/GameEvent";
 import { oops } from "db://oops-framework/core/Oops";
 import { smc } from "../common/SingletonModuleComp";
 import { UIID } from "../common/config/GameUIConfig";
+import { HeroAttrsComp } from "../hero/HeroAttrsComp";
+import { TalentType } from "../common/config/TalentSet";
 
 
 
@@ -272,7 +274,14 @@ export class CardComp extends CCComp {
         this.cardData = data;
         this.card_uuid = data.uuid;
         this.card_type = data.type;
-        this.card_cost = data.cost;
+
+        let baseCost = data.cost ?? 0;
+        if (this.card_type === CardType.Hero) {
+            const discount = HeroAttrsComp.getTalentValue(TalentType.BuyDiscount);
+            baseCost = Math.max(0, baseCost - discount);
+        }
+        this.card_cost = Math.floor(baseCost);
+
         this.node.active = true;
         this.isEnlarged = false;
         this.applyCardUI();
@@ -300,7 +309,7 @@ export class CardComp extends CCComp {
      */
     useCard(): CardConfig | null {
         if (!this.cardData || this.isUsing) return null;
-        const cardCost = Math.max(0, Math.floor(this.cardData.cost ?? 0));
+        const cardCost = this.card_cost;
         const currentCoin = this.getMissionCoin();
         // 金币不足 → 提示并回弹
         if (currentCoin < cardCost) {