{"service":"LBM Graph API","docs":"/docs","endpoints":["GET  /livez                        - pure liveness (GCP uptime check target)","GET  /readyz                       - deep dependency readiness (Mongo, Memgraph, Redis, embedder, Gemini, queue, dead letters, scheduler); 503 only if a critical one is down","POST /ingest/xlsx","POST /ingest/features/json","POST /ingest/features","POST /ingest/event","GET  /ingest/feature_defs","POST /memory/triples","GET  /bsv/{user_id}","GET  /bsv/{user_id}/content-preferences","POST /research/query"]}