**Package Renaming**: The `neo4j` package has been renamed to
`neo4jcypher` to better reflect its functionality. This change affects
the tool's implementation
(`internal/tools/neo4j/neo4jcypher/neo4jcypher.go`) and its associated
tests (`internal/tools/neo4j/neo4jcypher/neo4jcypher_test.go`).