Reference · GlossaryAudit trailImmutable **log of who changed what** — prompts, models, indexes — for compliance and debugging.On this pageWhen to useWhen notExample#When to useRegulated domains and team-owned production bots.#When notLogging raw user PII — redact and hash IDs.#Example“2026-07-17 09:00 alice deployed prompt v7 + index embedding-3-large.”Learn by doing → Learn by doing →Related termsLLM tracingExperiment tracking← All terms