On-Call Runbook Executor

When to invoke

• "Run the database failover runbook."
• "Walk me through the certificate rotation playbook."
• "Execute the deploy rollback steps."

Inputs needed

1. Runbook YAML — see schema below.
2. Mode — dry-run (default; prints commands) or execute (runs them).
3. Approval prompts — interactive --confirm prompt before each action by default.