make it work with mastra

Author: ranst91

typescript-sdk/integrations/mastra/src/mastra.ts

@@ -56,7 +56,7 @@ export class MastraAgent extends AbstractAgent {
     super(rest);
     this.agent = agent;
     this.resourceId = resourceId;
-    this.runtimeContext = runtimeContext;
+    this.runtimeContext = runtimeContext ?? new RuntimeContext();
   }
 
   protected run(input: RunAgentInput): Observable<BaseEvent> {
@@ -250,7 +250,7 @@ export class MastraAgent extends AbstractAgent {
     );
     const resourceId = this.resourceId ?? threadId;
     const convertedMessages = convertAGUIMessagesToMastra(messages);
-    this.runtimeContext?.set('ag-ui', inputContext);
+    this.runtimeContext?.set('ag-ui', { context: inputContext });
     const runtimeContext = this.runtimeContext;
 
     if (this.isLocalMastraAgent(this.agent)) {