Add clear chat functionality with redesigned UX

Fix API call for tracked/logged in users

Fix anonymous sessions and clean up codebase

Fix logout functionality and cookie clearing issues

Refactor anonymous chat as default homepage with stateless JWT sessions

Add anonymous chat access feature

Implement stateless JWT authentication for Hugging Face Spaces

Fix Hugging Face Spaces load balancing session issues

Fix session persistence issues for Hugging Face Spaces

Disable CSRF protection for Hugging Face Spaces

Fix CSRF token issues for Hugging Face Spaces deployment

Complete user authentication system implementation

Transform Gradio chatbot to Flask web app with findEthics-Atlas API integration

Duplicate from gradio-templates/chatbot