Update app.py

app.py

@@ -854,7 +854,8 @@ def ask_ai(question, history, analysis_state):
     else:
         answer = fallback_ai_answer(question, analysis_state)
 
-    history.append((question, answer))
+    history.append({"role": "user", "content": question})
+    history.append({"role": "assistant", "content": answer})
     return history, ""