# Data Model: Observability with LGTM on Compose

> For the complete documentation index, see [llms.txt](https://deploy-preview-472--lucky-concha-f3599f.netlify.app/llms.txt).

## Scope

This state introduces no business data model changes relative to `006-messaging-nats-replacement`.

## Entity Changes

*   Added: none.
*   Changed: none.
*   Removed: none.

## Compatibility Notes

*   Observability introduces operational data streams (metrics/logs/traces) only.
*   Domain entities (`Account`, `Trade`, `Position`, etc.) and API payloads remain unchanged.

## Traceability

*   Traceability is recorded in NFR entries and smoke tests for observability endpoints/dashboards.