Method setPersistent

packages/core/src/ECS/Entity.ts:225–228

* @zh 设置实体为持久化（跨场景保留） * @en Mark entity as persistent (survives scene transitions) * * @zh 标记后的实体在场景切换时不会被销毁，会自动迁移到新场景 * @en Persistent entities are automatically migrated to the new scene * * @returns @zh this，支持链式调用 @en Returns this for chaining * * @example

()

     * ```
     */
    public setPersistent(): this {
        this._lifecyclePolicy = EEntityLifecyclePolicy.Persistent;
        return this;
    }

    /**
     * @zh 设置实体为场景本地（随场景销毁），恢复默认行为