Create a paper2poster task, from the open-source project: https://paper2poster.github.io/The Paper2Poster project aims to achieve a fully automated, multimodal workflow for generating posters from scientific papers. It focuses on how AI assistants and multi-agent systems can intelligently design, layout, and produce structured, highly readable academic posters based on the content of the paper.After successfully creating the task, obtain the task_id, and use the task_id to poll the task query interface. Each task takes about 10 minutes.Pricing: Calculated based on the cost of model calls