On-call rotation workflow with schedule creation, shift handoffs, override management, escalation policies, and fair rotation distribution.

Full FlowZap Code

Scheduler { # On-Call Scheduler
n1: circle label:"Start"
n2: rectangle label:"Load rotation schedule"
n3: rectangle label:"Determine current on-call"
n4: rectangle label:"Complete handoff"
n5: circle label:"End"
n1.handle(right) -> n2.handle(left)
n2.handle(right) -> n3.handle(left)
n3.handle(bottom) -> Handoff.n6.handle(top) [label="Rotation due"]
n4.handle(right) -> n5.handle(left)
}
Handoff { # Handoff Process
n6: rectangle label:"Notify outgoing engineer"
n7: rectangle label:"Notify incoming engineer"
n8: diamond label:"Handoff acknowledged?"
n9: rectangle label:"Transfer pager access"
n10: rectangle label:"Escalate to manager"
n11: rectangle label:"Update PagerDuty schedule"
n6.handle(right) -> n7.handle(left)
n7.handle(right) -> n8.handle(left)
n8.handle(right) -> n9.handle(left) [label="Yes"]
n8.handle(bottom) -> n10.handle(top) [label="No"]
n9.handle(right) -> n11.handle(left)
n10.handle(right) -> n9.handle(top)
n11.handle(bottom) -> Alerting.n12.handle(top) [label="Active"]
}
Alerting { # Alert Routing
n12: rectangle label:"Receive incoming alert"
n13: diamond label:"Severity level?"
n14: rectangle label:"Page on-call immediately"
n15: rectangle label:"Send Slack notification"
n16: rectangle label:"Queue for review"
n17: diamond label:"Acknowledged in 5 min?"
n18: rectangle label:"Escalate to backup"
n19: rectangle label:"Log acknowledgment"
n12.handle(right) -> n13.handle(left)
n13.handle(right) -> n14.handle(left) [label="Critical"]
n13.handle(bottom) -> n15.handle(top) [label="Warning"]
n13.handle(left) -> n16.handle(top) [label="Info"]
n14.handle(right) -> n17.handle(left)
n15.handle(right) -> n19.handle(left)
n16.handle(right) -> n19.handle(top)
n17.handle(right) -> n19.handle(left) [label="Yes"]
n17.handle(bottom) -> n18.handle(top) [label="No"]
n18.handle(right) -> n17.handle(top)
n19.handle(top) -> Scheduler.n4.handle(bottom) [label="Handled"]
}

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