# Smoke Tests: 007 Messaging NATS Replacement

> For the complete documentation index, see [llms.txt](https://traderx.finos.org/llms.txt).

[Learning Guide — Messaging Layer Replacement with NATS](https://traderx.finos.org/docs/learning/state-006-messaging-nats-replacement.md): purpose, walkthrough, and related learning states.

# Smoke Tests: 007 Messaging NATS Replacement

*   Primary smoke script: `scripts/test-state-006-messaging-nats-replacement.sh` (planned)

## Required Checks

1.  Runtime startup includes healthy `nats-broker`.
2.  Trade submission still accepted on existing REST path.
3.  Trade service publish event reaches trade-processor through NATS.
4.  Processed trade and position updates are published on account-scoped subjects.
5.  Frontend stream subscriber receives account-scoped updates via websocket ingress path.
6.  Unknown account/ticker validations remain unchanged from prior state.