prepare hugging face deployment and enable gitguardian

lazy-load RAG deps and pin frontend versions

Enhance logging configuration and implement citation handling in query processing

Refactor code structure for improved readability and maintainability

Remove unnecessary comment from OpenRouterOpenAI tokenizer property

Refactor Langfuse integration in ask function and update client configuration for improved error handling

Implement Langfuse tracing in ask function and update dependencies for improved observability

Update .gitignore to include __pycache__ and refactor main.py to implement OpenRouterOpenAI class and configure models function; add ask.py for query execution

Refactor main.py to replace LMStudio with OpenAI for improved model integration and update dependencies in pyproject.toml and uv.lock

Update .gitignore and refactor main.py for improved environment handling and code organization

Add python-dotenv dependency and load environment variables

Refactor code structure for improved readability and maintainability