Knowledge

Manage the PAI Knowledge Archive — a curated, typed graph of notes across four entity domains: People, Companies, Ideas, and Research. Operations: search (3-pass: lexical + frontmatter + wikilink), add (creates note with mandatory typed cross-links), harvest (KnowledgeHarvester pulls from PAI sources), develop (surfaces seedling notes for enrichment), ingest (fetch URL or file, create primary note, ripple updates to related notes), contradictions (find conflicting claims via tag-overlap pairs), graph (stats or 2-hop traversal via KnowledgeGraph.ts), retrieve (BM25-lite compressed context via MemoryRetriever.ts), mine (SessionHarvester extracts memory candidates from recen…