refactor(skill-text): 重构技能文案系统，拆分英雄/卡牌语境

1.  将原HeroSkillDesc拆分为CardSkillText（卡牌/道具通用）和HeroSkillText（英雄专属）
2.  移除废弃的HeroSkillDesc文件与相关引用
3.  统一技能文案生成逻辑，修复数值漂移问题
4.  调整英雄配置中技能解锁等级与分档规则
5.  优化技能弹窗UI与参数传递逻辑

assets/script/game/map/EquipListComp.ts

@@ -17,7 +17,7 @@ import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ec
 import { CCComp } from "../../../../extensions/oops-plugin-framework/assets/module/common/CCComp";
 import { CardConfig } from "../common/config/CardSet";
 import { EquipPoolList } from "../common/config/EquipSet";
-import { buildEquipRich } from "../common/config/HeroSkillDesc";
+import { buildEquipRich } from "../common/config/CardSkillText";
 import { outlineRich } from "../common/RichOutline";
 import { oops } from "db://oops-framework/core/Oops";
 import { getCardIconId, setSpriteFrame } from "../common/CardIconHelper";