# ETL

## Purpose

This folder contains feature-level ETL documentation beyond the warehouse data model reference.

## Contents

- `brink-pos-first-integration.md` - end-to-end description of the Brink POS first integration including active endpoints, staging tables, and curated targets
- `etl-source-adapter-framework.md` - current implementation documentation for the ETL source adapter framework, runtime flow, and Brink POS adapter
- `how-to-add-etl-source-adapter.md` - onboarding guide for implementing and registering a new ETL source adapter
- `kds-cdc-scaling-and-incremental-curation.md` - notes on current KDS CDC curated refresh behavior, scaling limits, and recommended incremental apply direction
- `warehouse-data/` - warehouse model documentation for staging, curated schemas, and Brink curated mappings