@type t() :: %Synaptic.Monitor.Event{
  call_id: term(),
  caller_agent_id: term(),
  data: term(),
  id: term(),
  instance_id: term(),
  kind: term(),
  parent_call_id: term(),
  purpose: term(),
  request_id: term(),
  run_id: term(),
  service_id: term(),
  status: term(),
  step: term(),
  summary: term(),
  target_service_id: term(),
  task_ref_id: term(),
  trace_id: term(),
  ts_ms: term(),
  workflow: term()
}