Method searchNodes

src/memory/index.ts:187–212

(query: string)

  // Very basic search function
  async searchNodes(query: string): Promise<KnowledgeGraph> {
    const graph = await this.loadGraph();
    
    // Filter entities
    const filteredEntities = graph.entities.filter(e => 
      e.name.toLowerCase().includes(query.toLowerCase()) ||
      e.entityType.toLowerCase().includes(query.toLowerCase()) ||
      e.observations.some(o => o.toLowerCase().includes(query.toLowerCase()))
    );
  
    // Create a Set of filtered entity names for quick lookup
    const filteredEntityNames = new Set(filteredEntities.map(e => e.name));
  
    // Include relations where at least one endpoint matches the search results.
    // This lets callers discover connections to nodes outside the result set.
    const filteredRelations = graph.relations.filter(r => 
      filteredEntityNames.has(r.from) || filteredEntityNames.has(r.to)
    );
  
    const filteredGraph: KnowledgeGraph = {
      entities: filteredEntities,
      relations: filteredRelations,
    };
  
    return filteredGraph;
  }

  async openNodes(names: string[]): Promise<KnowledgeGraph> {
    const graph = await this.loadGraph();