Glossary

Terms and abbreviations used in TIHC docs (living document)

Product & Architecture

TIHC: A chat system designed for TiDB troubleshooting (stateless-by-default).
Extension / Sidepanel: The browser extension UI used for interaction and streaming output.
Serverless: A serverless runtime (e.g. Vercel Functions) hosting TIHC APIs and orchestration logic.
Engine / Chat Engine: The selected execution path for a request (e.g. openai / openai_rag / manus / tidb).