- Added rate limiting functionality to the chat API, allowing a maximum number of requests per IP within a specified time window.
- Implemented error handling for rate limit exceeded responses, including appropriate headers and retry instructions.
- Enhanced error handling for other API errors, providing user-friendly messages for various failure scenarios.
- Updated README to include new environment variables for rate limiting configuration.
- Added vector index building and serving capabilities to the docs chat.
- Introduced new scripts for generating embeddings and serving the chat API using vector search.
- Updated package.json with new commands for vector index operations.
- Enhanced README with instructions for the new RAG pipeline and legacy keyword pipeline.
- Removed outdated Vercel configuration file.
