feat: 添加击晕状态相关功能

1. 新增击晕概率、抗性属性配置与组件字段
2. 实现击晕判定逻辑与视图特效播放
3. 增加击晕时技能CD暂停清零的处理
4. 配置默认击晕持续时间为2秒

assets/script/game/hero/HeroAtkSystem.ts

@@ -184,17 +184,31 @@ export class HeroAtkSystem extends ecs.ComblockSystem  implements ecs.ISystemUpd
         const freezeChance = (damageEvent.Attrs[Attrs.freeze_chance] || 0) - (TAttrsComp.freeze_res || 0);
         const isFrost = !TAttrsComp.isFrost() && this.checkChance(freezeChance);
         
+        // 击晕判定
+        const stunChance = (damageEvent.Attrs[Attrs.stun_chance] || 0) - (TAttrsComp.stun_res || 0);
+        const isStun = !TAttrsComp.isStun() && this.checkChance(stunChance);
+
         // 击退判定
         const knockbackChance = (damageEvent.Attrs[Attrs.knockback_chance] || 0) - (TAttrsComp.knockback_res || 0);
         const isKnockback = this.checkChance(knockbackChance);
         
-        // ✅ 触发视图层表现（伤害数字、受击动画、冰冻、击退）
+        // ✅ 触发视图层表现（伤害数字、受击动画、冰冻、击晕、击退）
         if (targetView)  {
             targetView.do_atked(damage, isCrit, damageEvent.s_uuid, false);
             targetView.playEnd(skillConf.endAnm);
             if (isFrost) {
                 TAttrsComp.toFrost();
                 targetView.in_iced(TAttrsComp.frost_end_time);
+                if (damageEvent.Attrs.fac === FacSet.HERO) {
+                    smc.vmdata.scores.freeze_count++;
+                }
+            }
+            if (isStun) {
+                TAttrsComp.toStun();
+                targetView.in_stun(TAttrsComp.stun_end_time);
+                if (damageEvent.Attrs.fac === FacSet.HERO) {
+                    smc.vmdata.scores.stun_count++;
+                }
             }
             if (isKnockback) {
                 targetView.back(damageEvent.Attrs[Attrs.knockback_distance] || 0);