xllm_norm.so: ✓ COMPILED AND LOADED (rms_norm, fused_add_rms_norm) activation.cu fixes: - Add #include <torch/extension.h> (torch::Tensor not visible from torch/cuda.h alone) - Replace LOG(FATAL) with TORCH_CHECK (no glog) reshape_paged_cache.cu: - Add #include <torch/extension.h>