refactor: remove readGraph proxy function in memory example

Author: MegaGrindStone

examples/memory/kb.go

@@ -315,10 +315,6 @@ func (k knowledgeBase) deleteRelations(relations []Relation) error {
 	return k.saveGraph(graph)
 }
 
-// readGraph returns the complete knowledge graph.
-func (k knowledgeBase) readGraph() (KnowledgeGraph, error) {
-	return k.loadGraph()
-}
 
 // searchNodes filters entities and relations matching the query string.
 func (k knowledgeBase) searchNodes(query string) (KnowledgeGraph, error) {
@@ -537,7 +533,7 @@ func (k knowledgeBase) DeleteRelations(ctx context.Context, ss *mcp.ServerSessio
 func (k knowledgeBase) ReadGraph(ctx context.Context, ss *mcp.ServerSession, params *mcp.CallToolParamsFor[struct{}]) (*mcp.CallToolResultFor[KnowledgeGraph], error) {
 	var res mcp.CallToolResultFor[KnowledgeGraph]
 
-	graph, err := k.readGraph()
+	graph, err := k.loadGraph()
 	if err != nil {
 		res.IsError = true
 		res.Content = []mcp.Content{

examples/memory/kb_test.go

@@ -74,7 +74,7 @@ func TestKnowledgeBaseOperations(t *testing.T) {
 			}
 
 			// Verify entities persist
-			graph, err = kb.readGraph()
+			graph, err = kb.loadGraph()
 			if err != nil {
 				t.Fatalf("failed to read graph: %v", err)
 			}
@@ -146,7 +146,7 @@ func TestKnowledgeBaseOperations(t *testing.T) {
 			}
 
 			// Confirm observation removal
-			graph, _ = kb.readGraph()
+			graph, _ = kb.loadGraph()
 			aliceFound := false
 			for _, e := range graph.Entities {
 				if e.Name == "Alice" {
@@ -169,7 +169,7 @@ func TestKnowledgeBaseOperations(t *testing.T) {
 			}
 
 			// Confirm relation removal
-			graph, _ = kb.readGraph()
+			graph, _ = kb.loadGraph()
 			if len(graph.Relations) != 0 {
 				t.Errorf("expected 0 relations after deletion, got %d", len(graph.Relations))
 			}
@@ -181,7 +181,7 @@ func TestKnowledgeBaseOperations(t *testing.T) {
 			}
 
 			// Confirm entity removal
-			graph, _ = kb.readGraph()
+			graph, _ = kb.loadGraph()
 			if len(graph.Entities) != 1 || graph.Entities[0].Name != "Bob" {
 				t.Errorf("expected only Bob to remain after deleting Alice, got %+v", graph.Entities)
 			}