Seed doc from a legacy STEP model. Idempotent: re-seeding the same source into a doc that already has those GUIDs is a no-op (createEntity returns the existing entity). Returns seed/skip counts.
doc
createEntity
Optional
Seed
docfrom a legacy STEP model. Idempotent: re-seeding the same source into a doc that already has those GUIDs is a no-op (createEntityreturns the existing entity). Returns seed/skip counts.