working guardrail

Add HuggingFace authentication and better error handling for fine-tuned model

Fix all cache directory permission issues for HuggingFace Spaces

Fix HuggingFace Spaces permission issues - Enhanced NLTK and Streamlit config handling

fixes

fixes

Remove hardcoded HF token for security

add files

Create data/index_merged

Duplicate from streamlit/streamlit-template-space