requirements.txt

# FitCheck — UI brick + deterministic engine + model brick (ZeroGPU).
gradio==6.16.0            # gr.Server (FastAPI) + @app.api queue + ZeroGPU glue
spaces                    # @spaces.GPU — ZeroGPU allocation on Hugging Face
torch>=2.8.0              # ZeroGPU requirement (>=2.8)
transformers>=5.8.0       # native NemotronH wired to hub kernels (>=5.8)
kernels>=0.12.0,<0.13     # transformers' own declared range — 0.15.x broke
                          # LayerRepository (revision became mandatory).
                          # Pulls kernels-community/mamba-ssm + causal-conv1d
                          # prebuilt for torch>=2.8 — replaces the naive Mamba
                          # path (pip mamba-ssm wheels stop at torch 2.7 and
                          # ZeroGPU build containers have no nvcc; never add
                          # mamba-ssm/causal-conv1d here, the build will fail)
accelerate                # device placement / efficient loading
einops                    # required by the kernels-community mamba-ssm kernel
skops                     # safe loading of the trained speed predictor
xgboost                   # the speed predictor's runtime (engine/speed.py)
peft                      # spec-parser LoRA adapter loading