Prompt

Design feature store for ML models.

<ml_use_cases>
{models and their feature needs}
</ml_use_cases>

<data_sources>
{raw data sources}
</data_sources>

<serving_requirements>
{batch vs real-time needs}
</serving_requirements>

Design:
1. Feature computation
2. Storage architecture
3. Serving layer
4. Feature versioning
5. Monitoring setup
6. Access patterns