Checklist

• If this is not a feature request but a general question, please start a discussion at https://github.com/sgl-project/sglang/discussions. Otherwise, it will be closed.
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Motivation

Previously, HiCache only supported full attention.

Recently, we added a hybrid cache controller to HiCache. #20457
We now hope to enable 3fs with hybrid model storage capability; you can refer to Mooncake's support PR for reference. #21259

Roadmap：#21846

Interested contributors are welcome to take ownership of this feature. You can ping me on slack if you need help

Related resources

No response