Update exporter.py

exporter.py

@@ -7,20 +7,16 @@ from reportlab.lib.styles import getSampleStyleSheet
 import requests
 
 
-def export_txt(conversation: list, topic: str, turns: int) -> str:
-    filename = f"discussion_{datetime.now().strftime('%Y%m%d_%H%M%S')}.txt"
-    with open(filename, 'w') as f:
-        f.write(f"Topic: {topic}
-Turns: {turns}
-
-")
-        for msg in conversation:
-            f.write(f"{msg['agent']} (Turn {msg.get('turn')}):
-{msg['text']}
-
-")
-    return filename
-
+def export_txt(conversation, topic, filename="conversation.txt"):
+    try:
+        with open(filename, "w", encoding="utf-8") as f:
+            f.write(f"Topic: {topic}\n\n")
+            for turn in conversation:
+                f.write(f"{turn['agent']}: {turn['text']}\n")
+        return filename
+    except Exception as e:
+        logging.error(f"[export_txt] Failed to write file: {e}")
+        return None
 
 def export_json(conversation: list, topic: str, turns: int) -> str:
     filename = f"discussion_{datetime.now().strftime('%Y%m%d_%H%M%S')}.json"