refactor(skill-card): 统一技能卡牌波次配置为单一数据源

1. 新增SKILL_CARD_WAVES常量管理技能卡牌出现波次档位
2. 替换MissionCardComp中硬编码的波次判断逻辑
3. 重构CardSet中的技能卡牌波次映射和配置项，实现自动关联档位
4. 确保所有技能卡牌配置与波次配置严格对齐，避免抽卡池为空的问题

assets/script/game/map/MissionCardComp.ts

@@ -45,7 +45,7 @@ import { HeroAttrsComp } from "../hero/HeroAttrsComp";
 import { smc } from "../common/SingletonModuleComp";
 import { HeroInfo, HType } from "../common/config/heroSet";
 import { HeroViewComp } from "../hero/HeroViewComp";
-import { FacSet, FightSet, CARD_POOL_UPGRADE_WAVES } from "../common/config/GameSet";
+import { FacSet, FightSet, CARD_POOL_UPGRADE_WAVES, SKILL_CARD_WAVES } from "../common/config/GameSet";
 import { MoveComp } from "../hero/MoveComp";
 import { MissionHeroComp } from "./MissionHeroComp";
 import { MissionEconomy } from "./MissionEconomy";
@@ -235,7 +235,7 @@ export class MissionCardComp extends CCComp {
         this.dispatchCardsToSlots(cards);
 
         const wave = this.getCurrentWave();
-        if ([1, 5, 10, 15, 20].includes(wave)) {
+        if (SKILL_CARD_WAVES.includes(wave)) {
             this.showSkillCardPopup();
         }
 
@@ -426,7 +426,7 @@ export class MissionCardComp extends CCComp {
         this.dispatchCardsToSlots(cards);
 
         const wave = this.getCurrentWave();
-        if ([1, 5, 10, 15, 20].includes(wave)) {
+        if (SKILL_CARD_WAVES.includes(wave)) {
             this.showSkillCardPopup();
         }
     }