refactor: 整理技能与战斗相关的配置与逻辑

1.  新增技能飞行距离配置项，支持自定义直线技能飞行距离
2.  调整英雄后退击退范围从30改为20
3.  重构击退逻辑，统一敌我双方的边界钳制处理
4.  优化Boss数值配置，固定基础面板为初始英雄2倍强度
5.  修正技能6006的动画资源引用为atk1
6.  调整近战英雄默认停火距离从80改为60
7.  更新注释文档与配置注释，优化代码可读性

assets/script/game/hero/HeroViewComp.ts

@@ -423,30 +423,20 @@ export class HeroViewComp extends CCComp {
         if (this.isBackingUp) return;
         this.isBackingUp = true; // 🔥 设置后退状态
 
-        if (this.model.fac == FacSet.MON) {
-            // 基础击退距离，加上额外的距离强化
-            let dist = FightSet.BACK_RANG + distance;
-            let tx = this.node.position.x + dist;
-            if (tx > 320) tx = 320;
-            tween(this.node)
-                .to(0.1, { position: v3(tx, this.node.position.y, 0) })
-                .call(() => {
-                    this.isBackingUp = false; // 🔥 动画完成后重置状态
-                })
-                .start();
-        }
+        // 基础击退距离 + 额外距离强化，双方阵营统一
+        const dist = FightSet.BACK_RANG + distance;
+        const isHero = this.model.fac == FacSet.HERO;
+        // 边界钳制：HERO 不越过 BoxSet.LETF_END，MON 不越过 BoxSet.RIGHT_END
+        const tx = isHero
+            ? Math.max(BoxSet.LETF_END, this.node.position.x - dist)
+            : Math.min(BoxSet.RIGHT_END, this.node.position.x + dist);
 
-        if (this.model.fac == FacSet.HERO) {
-            let dist = 5 + distance;
-            let tx = this.node.position.x - dist;
-            if (tx < -320) tx = -320;
-            tween(this.node)
-                .to(0.1, { position: v3(tx, this.node.position.y, 0) })
-                .call(() => {
-                    this.isBackingUp = false; // 🔥 动画完成后重置状态
-                })
-                .start();
-        }
+        tween(this.node)
+            .to(0.1, { position: v3(tx, this.node.position.y, 0) })
+            .call(() => {
+                this.isBackingUp = false; // 🔥 动画完成后重置状态
+            })
+            .start();
     }
     // 伤害计算和战斗逻辑已迁移到 HeroBattleSystem
 

assets/script/game/hero/MoveComp.ts

@@ -28,6 +28,8 @@ export class MoveComp extends ecs.Comp {
     baseY: number = 0;
     /** 出生序，用于同条件渲染排序稳定 */
     spawnOrder: number = 0;
+    /** 击退速度（像素/秒），受击瞬间赋值，每帧指数衰减至 0 */
+    knockbackVelocity: number = 0;
 
     reset() {
         this.direction = 1;
@@ -35,6 +37,7 @@ export class MoveComp extends ecs.Comp {
         this.moving = true;
         this.baseY = 0;
         this.spawnOrder = 0;
+        this.knockbackVelocity = 0;
     }
 }
 
@@ -146,7 +149,7 @@ export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         const dist = Math.abs(selfX - enemyX);
         const attackRange = model.dis;
         /** 近战贴身作战：攻击距离 dis(100) 大于技能范围(60)，推进到与敌人相隔 60 才停下，保证技能可命中且不过度贴身 */
-        const stopRange = model.type === 0 ? 80 : attackRange;
+        const stopRange = model.type === 0 ? 60 : attackRange;
         const inRange = dist <= stopRange;
 
         if (inRange) {