decision (5)
- Adopt a Medallion architectureLayered bronze/silver/gold modelling for the self-service platform.
- Keep the core dependency-freeLLM backends and RDF export stay optional extras.
- Model batch traceability as a graphTraceability is a path problem, so it was modelled on a graph database.
- Use append-only graph storageHistory is preserved rather than overwritten.
- Validate every document before ingestionDeterministic validation gates ingestion, so untraceable claims never land.