refactor(hero): 移除SkillConComp并添加ECS系统注册装饰器

- 删除废弃的SkillConComp组件及其meta文件
- 为HeroAtkSystem、HeroAttrSystem等系统添加@ecs.register装饰器
- 在生命周期系统中添加空安全检查
- 移除SkillConComp相关引用及调试日志
- 在移动系统中添加节点有效性检查

assets/script/game/hero/TalComp.ts

@@ -5,7 +5,6 @@ import { ItalConf, TalType, TalEType, talConf } from "../common/config/TalSet";
 import { BuffConf, SkillSet } from "../common/config/SkillSet";
 import { HeroInfo } from "../common/config/heroSet";
 import { HeroViewComp } from "./HeroViewComp";
-import { SkillConComp } from "./SkillConComp";
 
 const { ccclass } = _decorator;
 
@@ -60,7 +59,6 @@ export class TalComp extends ecs.Comp {
     start() {
         // 运行时获取组件，避免编译时循环引用
         this.heroView = this.ent.get(HeroViewComp);
-        this.skillCon = this.ent.get(SkillConComp);
         if (this.heroView) {
             this.heroUuid = this.heroView.hero_uuid;
             this.initializeTalents();