add permission

src/streamlit_app.py

@@ -3,6 +3,12 @@ sys.modules['torch.classes'] = types.SimpleNamespace()
 os.environ["PYTORCH_ENABLE_MPS_FALLBACK"] = "1"
 os.environ["STREAMLIT_WATCH_SYSTEM_FOLDERS"] = "false"
 
+# 🔒 Fix Hugging Face & cache permission errors on Hugging Face Spaces
+os.environ["HF_HOME"] = "/tmp/huggingface"
+os.environ["XDG_CACHE_HOME"] = "/tmp/.cache"
+os.makedirs("/tmp/huggingface", exist_ok=True)
+os.makedirs("/tmp/.cache", exist_ok=True)
+
 import streamlit as st
 import torch
 import numpy as np