fix(英雄攻击系统): 添加护盾状态脏标记以同步状态变化

在护盾完全或部分吸收伤害时，设置dirty_shield标记以确保状态同步

assets/script/game/hero/HeroAtkSystem.ts

@@ -449,6 +449,7 @@ export class HeroAtkSystem extends ecs.ComblockSystem  implements ecs.ISystemUpd
                 TAttrsComp.shield = 0;
                 TAttrsComp.Attrs[Attrs.SHIELD_MAX] = 0;
             }
+            TAttrsComp.dirty_shield = true;
             console.log(`[HeroAtkSystem] 护盾值完全吸收伤害 ${damage}`);
             return {remainingDamage: 0, absorbedDamage: damage};
         } else {
@@ -456,6 +457,7 @@ export class HeroAtkSystem extends ecs.ComblockSystem  implements ecs.ISystemUpd
             const remainingDamage = damage - TAttrsComp.shield;
             TAttrsComp.shield = 0;
             TAttrsComp.Attrs[Attrs.SHIELD_MAX] = 0;
+            TAttrsComp.dirty_shield = true;
             console.log(`[HeroAtkSystem] 护盾值部分吸收伤害 ${absorbedDamage}`);
             return {remainingDamage, absorbedDamage};
         }