Draft skeleton. Owner: architect.
Event envelope
Registry subjects, required fields, tier tagging, schema compatibility mode.
CI model (CSDM alignment)
How incoming events map to configuration items in the truth graph.
Incident record
Structure and the per-incident evidence trail fields that make every correlation auditable.
Graph model
Node and edge types in Neo4j; how blast radius is computed.
Schema evolution
Compatibility rules, deprecation process, and the 30-minute local schema cache behavior during registry outage.