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@revealui/knowledge-graph

v0.1.3

Published

Fleet knowledge graph — bi-temporal, content-addressed graph (ontology, deterministic IDs, deterministic ingestion, hybrid search) over Neon + pgvector. GAP-340.

Downloads

242

Vulnerabilities

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Links

Git

Maintainers

revealui-orgrevealui-org

Keywords

knowledge-graphtemporalgraphitipgvectorrevealui

Readme

@revealui/knowledge-graph

Fleet knowledge graph core — a graphiti-style, bi-temporal, content-addressed graph over the single Neon + pgvector primary. GAP-340.

Overview

Stores every fleet entity (repo, package, file, symbol, dependency, db-table, route, gap, lane, adr, agent, and more) as a node, and every relationship as a bi-temporal edge that is never deleted — supersession sets invalid_at / expired_at. Episodes are immutable provenance units; every edge traces to at least one episode. Ids are deterministic SHA-256 UUIDs, so the same fact derived on two sites is one row: the canonical graph is convergent by construction (CRDT class 1/2, spec §8.1).

  • Ontology (./ontology): Zod schemas for the prescribed node kinds + edge relations; learned entities land as concept / relates-to.
  • Deterministic ids (deriveNodeId / deriveEdgeId / deriveEpisodeId).
  • Ingest (./ingest): applyScan (deterministic-scan path with re-scan diff invalidation) and ingestEpisode (additive), over a convergent op API (ON CONFLICT DO NOTHING for G-Set rows, LEAST/GREATEST for monotonic columns).
  • Tier-1 extractors (./extractors): workspace, ts-project (TS compiler API), db-schema, git, docs-frontmatter, routes — no regex over source.
  • Search (./search): pgvector cosine + websearch_to_tsquery/ts_rank + recursive-CTE BFS, RRF-fused (k=60), reranked by node-distance and episode-mentions, with point-in-time predicates.
  • revkg CLI: scan, search, node, neighbors, at.

Embeddings are injected (Embedder) and best-effort — wired to @revealui/ai generateEmbedding (nomic-embed-text, 768) by the CLI, degrading to NULL embeddings + deferred backfill when Ollama is down. The core library imports no LLM SDK.

Development

pnpm --filter @revealui/knowledge-graph typecheck
pnpm --filter @revealui/knowledge-graph test
pnpm --filter @revealui/knowledge-graph build

Schema + migration live in @revealui/db (packages/db/src/schema/knowledge-graph.ts, packages/db/migrations/0021_knowledge_graph.sql). The migration ships unapplied; behavior is validated against PGlite here.

License

MIT