feat(skill): 重构技能系统，新增技能数据组件和移动组件

refactor(skill): 移除旧技能组件和文档，优化技能配置结构

fix(skill): 修正技能预制体配置错误，统一技能运行类型字段

docs(skill): 删除过时的技能系统说明文档

perf(skill): 优化技能加载逻辑，减少资源消耗

style(skill): 调整代码格式，提高可读性

assets/script/game/hero/SCastSystem.ts

@@ -0,0 +1,149 @@
+import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
+import { Vec3, v3 } from "cc";
+import { CastSkillRequestComp } from "./STagComps";
+import { HeroAttrsComp } from "./HeroAttrsComp";
+import { HeroViewComp } from "./HeroViewComp";
+import { SkillSet, SType } from "../common/config/SkillSet";
+import { SkillEnt } from "../skill/SkillEnt";
+import { HeroSkillsComp } from "./HeroSkills";
+
+/**
+ * ==================== 技能施法系统 ====================
+ * 
+ * 职责：
+ * 1. 监听 CastSkillRequestComp 标记组件
+ * 2. 检查施法条件（CD、MP、状态）
+ * 3. 扣除资源（MP）
+ * 4. 创建技能实体
+ * 5. 触发施法动画
+ * 6. 移除请求标记
+ * 
+ * 设计理念：
+ * - 使用标记组件驱动，符合 ECS 理念
+ * - 施法检查与执行分离
+ * - 自动处理资源消耗和CD重置
+ */
+@ecs.register('SkillCastSystem')
+export class SkillCastSystem extends ecs.ComblockSystem implements ecs.IEntityEnterSystem {
+    
+     /**
+     * 过滤器：拥有技能数据 + 施法请求的实体
+     */
+    filter(): ecs.IMatcher {
+        return ecs.allOf(HeroSkillsComp, HeroAttrsComp, CastSkillRequestComp);
+    }
+
+    /**
+     * 实体进入时触发（即请求施法时）
+     */
+    entityEnter(e: ecs.Entity): void {
+        const skillsData = e.get(HeroSkillsComp);
+        const heroModel = e.get(HeroAttrsComp);
+        const request = e.get(CastSkillRequestComp);
+        const heroView = e.get(HeroViewComp);
+        
+        // 1. 验证数据完整性
+        if (!skillsData || !heroModel || !request || !heroView) {
+            console.warn("[SkillCastSystem] 数据不完整，取消施法");
+            e.remove(CastSkillRequestComp);
+            return;
+        }
+        
+        // 2. 获取技能数据
+        const skill = skillsData.getSkill(request.skillIndex);
+        if (!skill) {
+            console.warn(`[SkillCastSystem] 技能索引无效: ${request.skillIndex}`);
+            e.remove(CastSkillRequestComp);
+            return;
+        }
+        
+        // 3. 检查施法条件
+        if (!this.checkCastConditions(skillsData, heroModel, request.skillIndex)) {
+            e.remove(CastSkillRequestComp);
+            return;
+        }
+        
+        // 4. 执行施法
+        this.executeCast(e, skill, request.targetPositions, heroView);
+        
+        // 5. 扣除资源和重置CD
+        heroModel.mp -= skill.cost;
+        skillsData.resetCD(request.skillIndex);
+        
+        // 6. 移除请求标记
+        e.remove(CastSkillRequestComp);
+    }
+    
+    /**
+     * 检查施法条件
+     */
+    private checkCastConditions(skillsData: HeroSkillsComp, heroModel: HeroAttrsComp, skillIndex: number): boolean {
+        // 检查角色状态
+        if (heroModel.is_dead) {
+            return false;
+        }
+        
+        // 检查控制状态（眩晕、冰冻）
+        if (heroModel.isStun() || heroModel.isFrost()) {
+            return false;
+        }
+        
+        // 检查CD和MP
+        if (!skillsData.canCast(skillIndex, heroModel.mp)) {
+            return false;
+        }
+        
+        return true;
+    }
+    
+    /**
+     * 执行施法
+     */
+    private executeCast(casterEntity: ecs.Entity, skill: any, targetPositions: Vec3[], heroView: HeroViewComp) {
+        const config = SkillSet[skill.uuid];
+        if (!config) {
+            console.error("[SkillCastSystem] 技能配置不存在:", skill.uuid);
+            return;
+        }
+        
+        // 1. 播放施法动画
+        heroView.playSkillEffect(skill.uuid);
+        
+        // 2. 延迟创建技能实体（等待动画）
+        const delay = config.with ?? 0.3;  // 施法前摇时间
+        heroView.scheduleOnce(() => {
+            this.createSkillEntity(skill.uuid, heroView, targetPositions);
+        }, delay);
+        
+        const heroModel = casterEntity.get(HeroAttrsComp);
+        console.log(`[SkillCastSystem] ${heroModel?.hero_name ?? '未知'} 施放技能: ${config.name}`);
+    }
+    
+    /**
+     * 创建技能实体
+     */
+    private createSkillEntity(skillId: number, caster: HeroViewComp, targetPositions: Vec3[]) {
+        // 检查节点有效性
+        if (!caster.node || !caster.node.isValid) {
+            console.warn("[SkillCastSystem] 施法者节点无效");
+            return;
+        }
+        
+        // 获取场景节点
+        const parent = caster.node.parent;
+        if (!parent) {
+            console.warn("[SkillCastSystem] 场景节点无效");
+            return;
+        }
+        
+        // ✅ 使用现有的 SkillEnt 创建技能
+        const skillEnt = ecs.getEntity<SkillEnt>(SkillEnt);
+        skillEnt.load(
+            caster.node.position,   // 起始位置
+            parent,                 // 父节点
+            skillId,                // 技能ID
+            targetPositions,        // 目标位置数组
+            caster,                 // 施法者
+        );
+    }
+}