[Request] 支持 openrouter claude 模型的 Context Caching

[Arbow]

🥰 需求描述

根据官方文档说明，是支持 prompt caching: https://openrouter.ai/docs/features/prompt-caching

🧐 解决方案

加入 cache_control 参数进行控制

📝 补充信息

No response

[lobehubbot]

👀 @Arbow

Thank you for raising an issue. We will investigate into the matter and get back to you as soon as possible.
Please make sure you have given us as much context as possible.
非常感谢您提交 issue。我们会尽快调查此事，并尽快回复您。 请确保您已经提供了尽可能多的背景信息。

[lobehubbot]

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🥰 Requirement description

According to the official documentation, it supports prompt caching: https://openrouter.ai/docs/features/prompt-caching

🧐 Solution

Add cache_control parameter for control

📝 Supplementary information

No response

[Aloxaf]

The cache_control breakpoint can only be inserted into the text part of a multipart message.

如果文档这里没说错的话，openrouter 的缓存断点只能打在 text 部分，感觉非常鸡肋。