Data Model & Schemas

Draft skeleton. Owner: architect.

Event envelope

Registry subjects, required fields, tier tagging, schema compatibility mode.

How incoming events map to configuration items in the truth graph.

Structure and the per-incident evidence trail fields that make every correlation auditable.

Node and edge types in Neo4j; how blast radius is computed.

Compatibility rules, deprecation process, and the 30-minute local schema cache behavior during registry outage.