Fix missing shutil import in LoRA training service - Adds shutil and zipfile imports for LoRA import/export operations - Fixes NameError when uploading trained LoRAs

Fix LoRA import - Handle ZIP files with metadata at root level

Fix two errors in LoRA training and dataset preparation

Fix dataset refresh, add LoRA list function, improve empty dataset error handling

Completely disable pin_memory and num_workers for ZeroGPU compatibility

Fix CUDA pin_memory error in training

Fix training error - validate HF datasets are prepared

Deploy Music Generation Studio - 2025-12-13 09:56:39