{{title}}

{{summary}}

Caller{{actor-1}}
Coordinator{{actor-2}}
Service{{actor-3}}
Store{{actor-4}}
Request
Caller → Coordinator sync {{call-1}}
Coordinator → Service sync Dispatch the validated operation.
Processing
Service → Store sync Persist the operation state.
Store → Service return {{return-1}}
Outcome
Service → Coordinator return Return the final operation result.
Coordinator → Caller error {{exception-1}}
{{evidence_and_notes}}