Module traits 

Readability-focused capability traits for UnifiedEngine.

These traits intentionally mirror the existing engine methods and do not change runtime behavior. Their purpose is to make the major responsibilities explicit when reading call sites and module boundaries.

Traits

DurableJournaling 🔒

Durable journaling boundary for order processing.

OrderAdmission 🔒

Order admission checks before an order can enter matching.

OrderExecution 🔒

Order execution pipeline after admission.

ReplayRecovery 🔒

Replay and recovery lifecycle used at startup and reconciliation.