2.4.1 Production Incidents
Severity from SEV-1 (site down) to SEV-3 (workaround exists). The first job is mitigate, not root-cause.
Why it matters
Uncoordinated Slack is slower than a bridge and a scribe.
How it is used
Incident commander, comms, ops. Status page for users. Timeline in the channel. Handoff when people are tired.