feat(技能): 新增触发技能机制并调整死亡特效颜色

- 在 GameEvent 枚举中添加 TriggerSkill 事件用于技能触发
- 为 Hero 和 Monster 实体添加召唤入场时的 call 技能触发
- 在 HeroAtkSystem 中实现死亡时的 dead 技能触发
- 扩展 SCastSystem 支持强制触发技能（忽略CD和动画前摇）
- 将死亡技能特效颜色从灰色调整为白色以提升视觉效果

assets/script/game/hero/SCastSystem.ts

@@ -8,6 +8,8 @@ import { smc } from "../common/SingletonModuleComp";
 import { HType } from "../common/config/heroSet";
 import { Attrs } from "../common/config/HeroAttrs";
 import { BoxSet, FightSet } from "../common/config/GameSet";
+import { oops } from "db://oops-framework/core/Oops";
+import { GameEvent } from "../common/config/GameEvent";
 
 /**
  * ==================== 自动施法系统 ====================
@@ -23,7 +25,20 @@ import { BoxSet, FightSet } from "../common/config/GameSet";
  */
 @ecs.register('SCastSystem')
 export class SCastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
+    static instance: SCastSystem | null = null;
     debugMode: boolean = false;  // 是否启用调试模式
+
+    constructor() {
+        super();
+        SCastSystem.instance = this;
+        // 监听触发技能事件
+        oops.message.on(GameEvent.TriggerSkill, this.onTriggerSkill, this);
+    }
+
+    private onTriggerSkill(event: string, args: { s_uuid: number, heroAttrs: HeroAttrsComp, heroView: HeroViewComp }) {
+        if (!args || !args.s_uuid || !args.heroAttrs || !args.heroView) return;
+        this.forceCastTriggerSkill(args.s_uuid, args.heroAttrs, args.heroView);
+    }
     /** 空施法计划：用于“当前无可施法技能”时的统一返回 */
     private readonly emptyCastPlan = { skillId: 0, skillLv: 1, isFriendly: false, targetPos: null as Vec3 | null, targetEids: [] as number[] };
     /** 近战英雄默认施法射程 */
@@ -71,6 +86,56 @@ export class SCastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         this.castSkill(castPlan, heroAttrs, heroView);
     }
 
+    /**
+     * 强制执行触发技能（召唤/死亡触发）
+     * 忽略CD、状态、动画前摇，直接生效
+     */
+    public forceCastTriggerSkill(s_uuid: number, heroAttrs: HeroAttrsComp, heroView: HeroViewComp) {
+        if (!smc.mission.in_fight) return;
+        const config = SkillSet[s_uuid];
+        if (!config) return;
+
+        const skillLv = heroAttrs.getSkillLevel(s_uuid) || 1;
+
+        let isFriendly = false;
+        let targetPos: Vec3 | null = null;
+        let targetEids: number[] = [];
+
+        const selfEid = heroView.ent?.eid;
+        const type = heroAttrs.type as HType;
+        const maxRange = this.resolveMaxCastRange(heroAttrs, type);
+
+        if (this.isSelfSkill(config.TGroup)) {
+            isFriendly = true;
+            if (typeof selfEid === "number") targetEids = [selfEid];
+        } else if (this.isFriendlySkill(config.TGroup)) {
+            isFriendly = true;
+            const includeSelf = config.TGroup === TGroup.Ally;
+            targetEids = this.collectFriendlyTargetEids(heroAttrs.fac, selfEid, includeSelf);
+        } else {
+            const target = this.findNearestEnemyInRange(heroAttrs, heroView, maxRange);
+            if (target && target.node) {
+                targetPos = this.resolveEnemyCastTargetPos(config, heroAttrs, heroView, target, maxRange);
+            }
+        }
+
+        const sUp = SkillUpList[s_uuid] ? SkillUpList[s_uuid] : SkillUpList[1001];
+        const cNum = Math.min(2, Math.max(0, Math.floor(sUp.num ?? 0)));
+        const castTimes = 1 + cNum;
+
+        for (let i = 0; i < castTimes; i++) {
+            if (!heroView.node || !heroView.node.isValid) return;
+            if (isFriendly) {
+                const friendlyTargets = this.resolveFriendlyTargets(targetEids, heroAttrs.fac);
+                if (friendlyTargets.length === 0) continue;
+                this.applyFriendlySkillEffects(s_uuid, skillLv, config, heroView, heroAttrs, friendlyTargets, null);
+            } else {
+                const enemyTargetPos = this.resolveRepeatCastTargetPos(targetPos, i);
+                this.applyEnemySkillEffects(s_uuid, skillLv, config, heroView, heroAttrs, enemyTargetPos, i);
+            }
+        }
+    }
+
     /**
      * 选择当前应释放的技能。
      * 选择顺序：技能候选列表顺序 + 条件过滤（CD、目标可达、目标类型匹配）。