Update app.py

app.py

@@ -229,38 +229,32 @@ def submit():
         st.warning("⚠️ กรุณาระบุคำถาม")
         return
 
-    user_query = st.session_state.query_input
+    user_query = st.session_state.query_input.strip()  # Strip unnecessary spaces
     st.session_state.query_input = ""  # Clear input
 
-    st.session_state.chat_history.append(("user", user_query))
+    # Prevent duplicate user query from being added twice
+    if not st.session_state.chat_history or st.session_state.chat_history[-1][1] != user_query:
+        st.session_state.chat_history.append(("user", user_query))
 
     # Maintain a rolling context of past interactions
     if len(st.session_state.context_memory) > 5:  # Limit to last 5 Q&A pairs
         st.session_state.context_memory.pop(0)
 
     try:
-        # Include past interactions for better understanding
         query_with_context = "\n".join(
             [f"Q: {qa['query']}\nA: {qa['answer']}" for qa in st.session_state.context_memory]
         ) + f"\nQ: {user_query}"
 
-        print("Processing query with context:", query_with_context)  # Debugging
         result = st.session_state.pipeline.process_query(query_with_context)
-        print("Query processed successfully")  # Debugging
 
         assistant_answer = result["answer"]
 
-        # Store in chat history
         st.session_state.chat_history.append(("assistant", assistant_answer))
-
-        # Save the new QA pair into context memory
         st.session_state.context_memory.append({"query": user_query, "answer": assistant_answer})
 
-        # Save the QA history
         add_to_qa_history(user_query, assistant_answer)
 
     except Exception as e:
-        print("Error processing query:", str(e))  # Debugging
         st.session_state.chat_history.append(("assistant", f"❌ เกิดข้อผิดพลาด: {str(e)}"))
         st.error(f"Query processing error: {e}")
 
@@ -322,6 +316,7 @@ def main():
                         {content}
                     </div>
                 """, unsafe_allow_html=True)
+        
             else:
                 # ✅ FIX: Handle both string and dictionary content safely
                 if isinstance(content, dict):