feat(技能系统): 添加施法者实体ID字段用于安全校验

在SDataCom组件中添加casterEid字段，并在Skill和SkillView中使用该字段替代原有的链式访问，提高代码安全性和可读性

assets/script/game/skill/SDataCom.ts

@@ -9,6 +9,7 @@ export class SDataCom extends ecs.Comp {
     /** 业务层组件移除时，重置所有数据为默认值 */
     Attrs:any=null
     caster:HeroViewComp=null
+    casterEid: number = -1;     // 施法者实体ID，用于安全校验
     group:BoxSet=BoxSet.HERO
     fac: number = 0;            // 0:hero 1:monster
     s_uuid:number=0
@@ -21,6 +22,7 @@ export class SDataCom extends ecs.Comp {
         this.fac=0
         this.s_uuid=0
         this.caster=null
+        this.casterEid = -1;
         this.hit_count=0
         this.ext_dmg=0
         this.dmg_ratio=1

assets/script/game/skill/Skill.ts

@@ -121,6 +121,7 @@ export class Skill extends ecs.Entity {
         sDataCom.reset(); 
         sDataCom.group=caster.box_group
         sDataCom.caster=caster
+        sDataCom.casterEid=caster.ent.eid
         sDataCom.Attrs={...cAttrsComp.Attrs}
         sDataCom.s_uuid=s_uuid
         sDataCom.fac=cAttrsComp.fac

assets/script/game/skill/SkillView.ts

@@ -59,7 +59,7 @@ export class SkillView extends CCComp {
     onBeginContact (seCol: Collider2D, oCol: Collider2D) {
          // 安全获取双方信息用于日志
         const casterName = this.sData.caster?.ent?.get(HeroAttrsComp)?.hero_name ?? '未知施法者';
-        const casterEid = this.sData.caster?.ent?.eid ?? '未知EID';
+        const casterEid = this.sData.casterEid;
         const targetView = oCol.getComponent(HeroViewComp);
         const targetName = targetView?.ent?.get(HeroAttrsComp)?.hero_name ?? '非英雄对象';
         const targetEid = targetView?.ent?.eid ?? '未知EID';