Module events

Expand description

EngineEvent envelope and payload types (JOURNAL_SPEC §5, §8).

Ordering rule (§5.1): Replay MUST order events by seq. mono_ns and ts_utc are for diagnostics only.

Uniqueness rule (§5.2): Within a run, seq MUST be unique and contiguous, and event_id MUST be unique.

Structs§

Checkpoint: §8.14 — Snapshot for accelerated replay.
ConfigChange: §8.3 — Runtime config change.
DirectRetirementEvent: §8.17 — Direct-cancel retirement marker.
EngineEvent: Event envelope wrapping every journaled record (JOURNAL_SPEC §5).
ExecutionAck: §8.8 — Venue acknowledgment.
ExecutionCommand: §8.7 — Outbound command to exchange adapter.
ExecutionReject: §8.9 — Venue rejection.
FeeDetail: Fee breakdown attached to a fill.
Fill: §8.10 — Trade execution (partial/full).
Heartbeat: §8.15 — Health marker.
MarketEvent: §8.4 — Canonical market data.
ModeChange: §8.2 — Mode transition within a run.
OrderIntent: §8.5 — Order intent (canonical).
OrderStateEvent: §8.11 — Explicit order state transition.
Reconcile: §8.12 — Reconciliation action and result.
RiskDecision: §8.6 — Risk gateway decision.
RiskStateEvent: §8.13 — Risk stop-state transition.
RunMeta: §8.1 — Run metadata. MUST be seq=1.
StrategyIntent: §8.5 — Strategy intent event.
VelocityGateEvent: §8.16 — Velocity gate transition.

AckStatus: Execution ack status (§8.8).
CommandType: Execution command type (§8.7).
ConfigSource: Config change source (§8.3).
Decision: Risk decision outcome (§8.6).
HeartbeatComponent: Heartbeat component (§8.15).
HeartbeatStatus: Heartbeat status (§8.15).
IntentAction: Intent action (§8.5).
Liquidity: Liquidity indicator (§8.10).
Mode: Engine operating mode (JOURNAL_SPEC §4).
OrderLifecycleState: Order lifecycle state (§8.11).
OrderType: Order type (§8.5).
Payload: Discriminated payload for each event type.
ReconcileResult: Reconciliation result (§8.12).
ReconcileScope: Reconciliation scope (§8.12).
ReconcileSeverity: Reconciliation severity classification (§8.12).
RiskReasonCode: Risk reason code (§8.6).
RiskStopState: Risk stop state (§8.13).
TimeInForce: Time in force (§8.5).