optimize HF storage with caching and switch to gemini-2.5-flash

add persistent storage with HF Datasets

remove .env from repository

increase gunicorn timeout for llm requests

upgrade to python 3.11

upgrade python to 3.10 for click dependency

enable git lfs for pdfs

with all the changes

with all the changes

changes

Changes before Firebase Studio auto-run

Changes before Firebase Studio auto-run

Initialized workspace with Firebase Studio