fix: streaming msg

src/app.ts

@@ -51,7 +51,7 @@ ${i + 1}. [${ref.exactQuote}](${ref.url})`).join('')}
 </references>
 `.trim();
   }
-  return `${answer.answer.replace(/\(REF_(\d+)\)/g, (_, num) => `[^${num}]`)}\n${refStr}`;
+  return `${answer.answer.replace(/\(REF_(\d+)\)/g, (_, num) => `[^${num}]`)}\n\n${refStr}`;
 }
 
 

src/utils/action-tracker.ts

@@ -22,8 +22,8 @@ export class ActionTracker extends EventEmitter {
   }
 
   trackThink(think: string) {
-    // update the think field of the current step
-    this.trackAction({thisStep: {...this.state.thisStep, think}});
+    // only update the think field of the current state
+    this.state = { ...this.state, thisStep: { ...this.state.thisStep, think } };
     this.emit('action', this.state);
   }