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If agents are doing the work, humans need a way to check the work. That’s what the audit surface is for: a complete, append-only history of every change to your warehouse, with the ability to roll back when something shouldn’t have happened.

The audit log

Every write to the warehouse — a table created, rows inserted, an object dropped — commits a snapshot. The audit log (in the console under Audit, admins only) is that snapshot history, newest first. Each entry records:
  • Who made the change (the member or token)
  • When it happened
  • What changed — which tables were created, written to, or dropped
  • A commit message describing the operation
Because snapshots are the unit of change, the log can’t drift from reality: if the warehouse changed, there’s a snapshot; if there’s no snapshot, nothing changed. You’ll also see the snapshot count and the time of the last snapshot at a glance on the org Overview page.

Rolling back

Every snapshot in the audit log has a Restore action. Restoring rolls the warehouse (and its data) back to exactly how it was at that snapshot — tables created since are dropped, modified tables are re-materialized as they were. Two properties make this a safety net rather than a footgun:
  • Rollback is forward-only. Restoring doesn’t erase history — it writes a new snapshot (rollback to snapshot N) on top. The audit log keeps everything, including the rollback itself and the state you rolled away from.
  • It’s governed like everything else. Restoring requires admin or the Restore snapshots capability.
This is worth internalizing, because it changes how freely you can let an agent work: mistakes in Nightshift are cheap. If Claude reorganizes your tables in a way you don’t like, you’re one Restore away from before it started.

What else leaves a trail

The snapshot log covers changes to warehouse data. A few other records round out the picture:
  • Notebook results are snapshots too. Each notebook cell keeps its last-run result with a timestamp, so you can see not just what SQL an agent wrote but what it saw — and whether the SQL was edited after the fact.
  • App versions are immutable. Every app publish is recorded as a version carrying the exact source and query manifest, inspectable in the console on the app’s detail page. Failed builds are recorded as well.
  • Tokens show their last use. The Tokens page shows when each credential was last exercised, making stale or unexpected usage visible.

Reviewing an agent’s session

A practical pattern after a heavy agent session:
  1. Open Audit and skim the snapshots from the session — do the changes match what you asked for?
  2. Spot-check the notebook it saved: the queries and their snapshotted results are the reasoning trail.
  3. If anything’s wrong, Restore to the snapshot before the session and refine your prompt.
That loop — act freely, review cheaply, revert instantly — is the workflow Nightshift is designed around.