Only link chunks (SourcedFrom / Mentions) to existing GraphConcepts; never create new concepts.
Match existing concepts and propose new GraphConcepts / GraphEdges with Status = 'Proposed'.
Automatically create/merge GraphConcepts and GraphEdges with Status = 'Approved' (GraphRAG default).
How extracted concepts from a Content Source interact with the target Graph's existing
GraphConcepts. MirrorsTagTaxonomyModeonMJ: Content Sources.