vLLM PR #27396 变更核心文件提醒

## vLLM PR 监控通知

**PR 标题**: Re-support MotifForCausalLM  
**PR 编号**: #27396  
**PR 链接**: https://github.com/vllm-project/vllm/pull/27396  

### 变更的核心文件:
- vllm/attention/layer.py
- 

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