| name | eval-suite-regression-notifier |
| short | Notify Slack when a scheduled eval suite regresses or improves. |
| description | Run a cron eval pack, gate against prior ledger rows, and post Slack only on gate flips. |
| when-to-use | Use when scheduling regression evals that should alert a Slack channel only on material verdict changes. |
Eval suite regression notifier
Customize harn.eval.toml for the suite, keep notify_on_eval_gate_flip as the
cron handler, and configure the Slack channel/token secret in the trigger event
payload or deployment wrapper.