ADR-0010: Retention & Archival

Status: Accepted
Related: ADR-0005 Event Store Schema

Context

Event stores can grow unbounded with scientific data.

Decision

• Events are append-only; never modified or deleted.
• Support snapshotting and archival exports for long-term storage.

Consequences

• Preserves full provenance.
• Requires storage/archival strategy as datasets scale.