fix: audit-driven bug fixes and .gitignore update

Migrate to Groq API, fix recursion limit, and resolve imports

Fix Python 3.9 compat: replace PEP 585 lowercase generics (list[], dict[], set[], tuple[]) with typing equivalents across all runtime-evaluated code

Fix Python 3.9 compatibility: replace PEP 604 union types with Optional

Refactor and prepare for HuggingFace Spaces deployment

Added 3 NEW upgrades

Initial commit