fix: include outgoing relations in open_nodes

src/memory/__tests__/knowledge-graph.test.ts

@@ -336,16 +336,19 @@ describe('KnowledgeGraphManager', () => {
       expect(result.entities.map(e => e.name)).toContain('Bob');
     });
 
-    it('should include relations between opened nodes', async () => {
+    it('should include relations between opened nodes and outgoing relations', async () => {
       const result = await manager.openNodes(['Alice', 'Bob']);
-      expect(result.relations).toHaveLength(1);
-      expect(result.relations[0].from).toBe('Alice');
-      expect(result.relations[0].to).toBe('Bob');
+      // Should include: Alice->Bob (between opened nodes) and Bob->Charlie (outgoing from opened node)
+      expect(result.relations).toHaveLength(2);
+      expect(result.relations.map(r => r.from).sort()).toEqual(['Alice', 'Bob']);
     });
 
-    it('should exclude relations to unopened nodes', async () => {
+    it('should return outgoing relations from opened nodes', async () => {
       const result = await manager.openNodes(['Bob']);
-      expect(result.relations).toHaveLength(0);
+      // Opening 'Bob' should return its outgoing relation to 'Charlie'
+      expect(result.relations).toHaveLength(1);
+      expect(result.relations[0].from).toBe('Bob');
+      expect(result.relations[0].to).toBe('Charlie');
     });
 
     it('should handle opening non-existent nodes', async () => {

src/memory/index.ts

@@ -219,9 +219,12 @@ export class KnowledgeGraphManager {
     // Create a Set of filtered entity names for quick lookup
     const filteredEntityNames = new Set(filteredEntities.map(e => e.name));
 
-    // Filter relations to only include those between filtered entities
+    // Filter relations to include:
+    // 1. Relations between filtered entities (both endpoints in the list)
+    // 2. Outgoing relations from filtered entities (from is in the list)
     const filteredRelations = graph.relations.filter(r => 
-      filteredEntityNames.has(r.from) && filteredEntityNames.has(r.to)
+      (filteredEntityNames.has(r.from) && filteredEntityNames.has(r.to)) ||
+      filteredEntityNames.has(r.from)
     );
 
     const filteredGraph: KnowledgeGraph = {
@@ -447,7 +450,7 @@ server.registerTool(
   "open_nodes",
   {
     title: "Open Nodes",
-    description: "Open specific nodes in the knowledge graph by their names",
+    description: "Open specific nodes in the knowledge graph by their names. Returns entities and their outgoing relations (relations where the entity is the 'from' endpoint).",
     inputSchema: {
       names: z.array(z.string()).describe("An array of entity names to retrieve")
     },