fix: always use hardcoded filenames, derive dir from MODEL_PATH

fix: correct file-level skip check and config.json save path

fix: download config.json alongside model.pt

feat: HF Spaces Docker deployment setup

Update kaggle_sft_train.py with automated base model finder and cleaned Alpaca downloader

Add scripts/kaggle_sft_train.py for SFT training on Kaggle

Add transfer.sh upload to Cell 2 in kaggle_train.py

Update kaggle_train.py with fastest working cells

Fix imports: add sys.path for Kaggle/Colab compatibility

Initial commit