# Generation Hook: 006-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.

# Generation Hook: 006-messaging-nats-replacement

*   Hook script: `pipeline/generate-state-006-messaging-nats-replacement.sh`
*   Feature pack: `specs/006-messaging-nats-replacement`

Patch-set model:

*   Parent state: `005-postgres-database-replacement`
*   Patch path: `specs/006-messaging-nats-replacement/generation/patches/0001-state-overlay.patch`
*   Patch target root: `generated/code/target-generated`

Hook flow:

1.  Generate parent state `005`.
2.  Apply state patch set (trade-feed replacement with NATS + service/frontend deltas).
3.  Regenerate architecture docs.

Patch refresh command:

```bash
bash pipeline/create-state-patchset.sh 006-messaging-nats-replacement 005-postgres-database-replacement
```