Alert hygiene: dashboards that page you only when it matters

Every alert that pages you and isn’t actionable trains you to ignore the next one. We rebuilt alerting around error budgets and burn rate.

The problem

A small, annoying task that was eating time and attention every week. We measured it before touching anything.

The approach

One focused change, reproducible, with a guardrail and an obvious way to turn it off. No magic, no vibes.

$ ./run --dry-run
[ ok ] plan looks sane
$ ./run --apply

The receipts

Before/after benchmarks, the failure modes we hit, and the tradeoffs we accepted. The repo has the full runbook.