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/HSkillSystem.ts

@@ -52,7 +52,6 @@ export class SkillCastSystem extends ecs.ComblockSystem implements ecs.IEntityEn
      * 过滤器：拥有技能数据 + 施法请求的实体
      */
     filter(): ecs.IMatcher {
-        console.log("[SkillCastSystem] filter");
         return ecs.allOf(HeroSkillsComp, HeroAttrsComp, CastSkillRequestComp);
     }
 
@@ -187,7 +186,6 @@ export class SkillCastSystem extends ecs.ComblockSystem implements ecs.IEntityEn
 export class SkillCDSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
     
     filter(): ecs.IMatcher {
-        console.log("[SkillCDSystem] filter");
         return ecs.allOf(HeroSkillsComp);
     }
     
@@ -218,7 +216,6 @@ export class SkillCDSystem extends ecs.ComblockSystem implements ecs.ISystemUpda
 export class SkillAutocastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
     
     filter(): ecs.IMatcher {
-        console.log("[SkillAutocastSystem] filter");
         return ecs.allOf(HeroSkillsComp, HeroAttrsComp, HeroViewComp);
     }
     
@@ -226,7 +223,6 @@ export class SkillAutocastSystem extends ecs.ComblockSystem implements ecs.ISyst
         const skillsData = e.get(HeroSkillsComp);
         const heroModel = e.get(HeroAttrsComp);
         const heroView = e.get(HeroViewComp);
-        console.log("[SkillAutocastSystem] update");
         if (!skillsData || !heroModel || !heroView) return;
         
         // 检查基本条件