* common: refactor models handling * remote preset * cont * rm skip_download option * missing header * fix plan.model_files * fix --offline case * move hf_plan to download * refactor * rm redundant curr_ex, add comments * adapt
* common: refactor models handling * remote preset * cont * rm skip_download option * missing header * fix plan.model_files * fix --offline case * move hf_plan to download * refactor * rm redundant curr_ex, add comments * adapt