Function load_adapter_peft 

pub fn load_adapter_peft<P: AsRef<Path>>(
    dir: P,
) -> Result<(PeftAdapterConfig, Vec<(String, Vec<f32>)>), AdapterError>

Load LoRA adapter from PEFT-compatible format

Reads adapter_config.json and adapter_model.safetensors from the given directory and returns the adapter configuration along with tensor name → weight data.