refactor(skill): 将buff/debuff应用逻辑从SkillView移到SCastSystem

重构技能效果应用逻辑，将buff/debuff处理从SkillView的碰撞检测中移除，统一在SCastSystem中根据技能配置决定是否创建技能实体或直接应用支持效果。这样可以更清晰地分离伤害技能和支持技能的处理逻辑，避免在碰撞时重复应用效果。

assets/script/game/common/config/SkillSet.ts

@@ -316,7 +316,7 @@ export const BuffsList: Record<number, BuffConf> = {
     // 治疗 (基于攻击力百分比)
     10301: { uuid: 10301, name: "治疗", icon: "1292", buff: Attrs.hp, BType: BType.VALUE, value: 30, time: 0, chance: 1, info: "回复30%生命值" },
     // 护盾 (基于攻击力百分比)
-    10302: { uuid: 10302, name: "护盾", icon: "1255", buff: Attrs.shield, BType: BType.VALUE, value: 30, time: 60, chance: 1, info: "获得30%护盾" },
+    10302: { uuid: 10302, name: "护盾", icon: "1255", buff: Attrs.shield, BType: BType.VALUE, value: 30, time: 0, chance: 1, info: "获得30%护盾" },
 
     // ========== 减益类 Buff (属性降低) ========== 10200 - 10299
     // 减速 (移动速度降低)

assets/script/game/hero/SCastSystem.ts

@@ -72,8 +72,14 @@ export class SCastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         const delay = GameConst.Battle.SKILL_CAST_DELAY;
         heroView.scheduleOnce(() => {
             if (!heroView.node || !heroView.node.isValid || heroAttrs.is_dead) return;
-            // 始终创建技能实体，所有效果（伤害、Buff、Debuff）均在 SkillView 中处理
+            // 优先判断是否有ap伤害（物理/魔法伤害）
-            this.createSkillEntity(s_uuid, heroView, targets[0].node.position);
+            if (config.ap > 0) {
+                this.createSkillEntity(s_uuid, heroView, targets[0].node.position);
+            }
+            // 接着应用buff效果（包括治疗、护盾等已转换为buff的逻辑）
+            if ((config.buffs && config.buffs.length > 0) || (config.debuffs && config.debuffs.length > 0)) {
+                this.applySupportSkill(entity, config, targets);
+            }
         }, delay);
         if (isMainSkill) {
             heroAttrs.triggerSkillCD();
@@ -90,6 +96,38 @@ export class SCastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         skill.load(caster.node.position.clone(), parent, s_uuid, targetPos.clone(), caster, 0);
     }
 
+    private applySupportSkill(casterEntity: ecs.Entity, config: SkillConfig, targets: HeroViewComp[]) {
+        const casterAttrs = casterEntity.get(HeroAttrsComp);
+        if (!casterAttrs) return;
+        
+        for (const target of targets) {
+            if (!target.ent) continue;
+            const model = target.ent.get(HeroAttrsComp);
+            if (!model || model.is_dead) continue;
+
+            // 统一通过 Buff 系统应用效果
+            if (config.buffs) {
+                for (const buffId of config.buffs) {
+                    const buffConf = BuffsList[buffId];
+                    if (buffConf) {
+                        model.addBuff(buffConf);
+                    }
+                }
+            }
+
+            // 应用 Debuff 效果
+            if (config.debuffs) {
+                for (const buffId of config.debuffs) {
+                    const buffConf = BuffsList[buffId];
+                    if (buffConf) {
+                        model.addBuff(buffConf);
+                    }
+                }
+            }
+        }
+        mLogger.log(this.debugMode, "SCastSystem", `[SCastSystem] ${casterAttrs.hero_name} 施放 ${config.name}`);
+    }
+
     private findTargets(caster: HeroViewComp, casterAttrs: HeroAttrsComp, config: SkillConfig): HeroViewComp[] {
         const range = casterAttrs.getCachedMaxSkillDistance() || GameConst.Battle.DEFAULT_SEARCH_RANGE;
         const isEnemy = config.TGroup === TGroup.Enemy;

assets/script/game/skill/SkillView.ts

@@ -140,36 +140,6 @@ export class SkillView extends CCComp {
             this.sData.dmg_ratio,
         );
 
-        // 1. 应用 Buff 效果 (对目标，虽然通常 Buff 是给自己，但这里 target 是碰撞对象)
-        // 注意：如果是增益 Buff (如治疗)，通常目标应该是自己或队友。
-        // 但 SkillView 的碰撞逻辑通常是针对"命中目标"。
-        // 如果是治疗技能，target 应该是队友。如果是攻击技能，target 是敌人。
-        // 这里的逻辑假设 SkillView 命中的就是正确的目标。
-        if (this.SConf.buffs && this.SConf.buffs.length > 0) {
-            const targetModel = target.ent.get(HeroAttrsComp);
-            if (targetModel) {
-                for (const buffId of this.SConf.buffs) {
-                    const buffConf = BuffsList[buffId];
-                    if (buffConf) {
-                        targetModel.addBuff(buffConf);
-                    }
-                }
-            }
-        }
-
-        // 2. 应用 Debuff 效果
-        if (this.SConf.debuffs && this.SConf.debuffs.length > 0) {
-            const targetModel = target.ent.get(HeroAttrsComp);
-            if (targetModel) {
-                for (const buffId of this.SConf.debuffs) {
-                    const buffConf = BuffsList[buffId];
-                    if (buffConf) {
-                        targetModel.addBuff(buffConf);
-                    }
-                }
-            }
-        }
-
         // 更新技能命中次数
         this.sData.hit_count++
         if (