Afaik, n8n generates IDs under the hood, which I figured out when I did my Qdrant & n8n demo:) I can advise you to request a feature from them to allow inserting your own id's:) In the meanwhile, you could use HTTP-request block and call Qdrant's API directly (P.S. I am Jenny, Qdrant's DevRel, nice to meet you:) )