Activity-facing side-effect idempotency contract for Phase 4 durable workflows.
Mezzanine owns workflow worker execution. Execution Plane owns the lower runtime side effect and dedupes retries by execution intent id and idempotency key.
Summary
Types
@type t() :: %ExecutionPlane.ActivitySideEffectIdempotency{ activity_call_ref: term(), actor_ref: term(), authority_packet_ref: term(), contract_name: term(), heartbeat_policy: term(), idempotency_key: term(), intent_id: term(), lease_evidence_ref: term(), lease_ref: term(), lower_run_ref: term(), permission_decision_ref: term(), release_manifest_ref: term(), resource_ref: term(), retry_policy: term(), runtime_family: term(), side_effect_ref: term(), tenant_ref: term(), timeout_policy: term(), trace_id: term(), workflow_ref: term() }