feat: 添加sora模型仅按次计费的解决方案 (Add pay-per-use solution for the Sora model)
如何使用 How to Use
环境变量设置 TASK_PRICE_PATCH=sora-2,sora-2-pro
对所有task任务都有效，模型名用英文逗号,隔开
设置后，任务将不会按时长，大小等自动计算
Set the environment variable TASK_PRICE_PATCH=sora-2,sora-2-pro
This applies to all task operations, with model names separated by English commas ,.