Update src/components/ai_tutor.py

src/components/ai_tutor.py

@@ -5,6 +5,7 @@ from src.utils.session import get_tutor_context
 class AITutor:
     def __init__(self):
         self.service = AITutorService()
+        self.last_question = None  # Store the last question asked
 
     def display_chat_interface(self):
         """Display the enhanced chat interface with voice output"""
@@ -56,8 +57,10 @@ class AITutor:
                         self.service.speak(message["content"])
 
         # Chat input
-        if prompt := st.text_input("Ask your question...", key="chat_input"):
+        prompt = st.text_input("Ask your question...", key="chat_input") 
+        if prompt and prompt != self.last_question:  # Check if the question is new
             self.handle_user_input(prompt)
+            self.last_question = prompt  # Update the last question asked
 
     def handle_user_input(self, user_input: str):
         """Process user input and generate response"""
@@ -76,7 +79,7 @@ class AITutor:
         context['chat_history'].append({
             "role": "assistant",
             "content": response,
-            "speak": True
+            "speak": True  # You might want to remove this if not using voice output
         })
 
         # No need to rerun here, Streamlit will update automatically