Sanitize embedding-like properties in read-cypher tool

[tomasonjo]

When the graph has any embedding stored, there exist a possibility that those embeddings will be returned via cypher query. As they are quite long, it is most likely they will cause the llm to raise token limit error. They are essentially informationally worthless, so it makes sense so remove them from database outputs. We did this in langchain, llamaindex, labs mcp, and elsewhere

[LackOfMorals]

@tomasonjo do you have an example graph with embeddings to Q/A whatever the fix will be for this?

[tomasonjo]

URI: neo4j+s://demo.neo4jlabs.com
username: companies
password: companies
database: companies

and also

URI: neo4j+s://demo.neo4jlabs.com
username: recommendations
password: recommendations
database: recommendations

maybe recs is better example, just test, give me 5 movies.