local hf_repo="$1" model_dir="$2" onnx_sub="${3:-}"

local dest="$MODEL_DIR/$model_dir"

local hf_base="https://huggingface.co/$hf_repo/resolve/main"

# Determine where model.onnx goes locally

local onnx_local="$dest/model.onnx"

local onnx_remote="$hf_base/model.onnx"

if [ -n "$onnx_sub" ]; then

onnx_local="$dest/$onnx_sub/model.onnx"

onnx_remote="$hf_base/$onnx_sub/model.onnx"

fi

if [ -f "$onnx_local" ]; then

info "✓ $model_dir already present"

return

fi

info "Downloading $model_dir from $hf_repo"

mkdir -p "$(dirname "$onnx_local")"

mkdir -p "$dest"

for f in config.json special_tokens_map.json tokenizer_config.json tokenizer.json vocab.txt; do

curl -sSLfo "$dest/$f" "$hf_base/$f" || \

warn " failed: $f (rerun install-bin.sh to retry)"

done

curl -#Lfo "$onnx_local" "$onnx_remote" || \

warn " failed: model.onnx (rerun install-bin.sh once you have a network)"

local rc="$1"

if [ -f "$rc" ] && grep -Fq "$PATH_MARKER" "$rc"; then

return # already present

fi

{

echo ""

echo "$PATH_MARKER"

echo "$PATH_LINE"

} >> "$rc"

info "Added ~/.local/bin to PATH in $rc"