Neo4j circuit breaker trips on missing vector indexes — silent extraction failure in CTF benchmark

Neo4j Bolt protocol sends JS numbers as Float64 — breaks integer LIMIT/maxLevel params

Cypher path variable not in scope after WITH clause — APOC expandConfig

Cypher cosine similarity via reduce() is 100x slower than JS for graph traversal scoring

Replace Neo4j GDS with in-process graphology for PageRank and community detection

Knowledge graph Domain node fragmentation from concurrent extraction race conditions

Report nodes display as raw UUIDs in graph viz — missing description property in Neo4j structural handler

Graph viz missing EDGE_TYPES causes Report and WikiPage nodes to render as disconnected orphans

Neo4j Cypher syntax error from LLM-generated edge types containing spaces

Neo4j graph recovery after full wipe — schema + ETL bootstrap via admin API