fix show expert answer

app.py

@@ -56,7 +56,7 @@ base_model_path_3B = "meta-llama/Llama-3.2-3B-Instruct"
 
 # ---------------------------------------
 # ---------------------------------------
-
+st.title(":red[AI University] :gray[/] FEM")
 st.markdown("""
 Welcome to <span style='color:red'><a href='https://my-ai-university.com/' target='_blank' style='text-decoration: none; color: red;'>AI University</a></span> — an AI-powered platform designed to address scientific course queries, dynamically adapting to instructors' teaching styles and students' learning needs.
 This prototype showcases the capabilities of the <span style='color:red'><a href='https://github.com/my-ai-university' target='_blank' style='text-decoration: none; color: red;'>AI University platform</a></span> by providing expert answers to queries related to a graduate-level <span style='color:red'><a href='https://www.youtube.com/playlist?list=PLJhG_d-Sp_JHKVRhfTgDqbic_4MHpltXZ' target='_blank' style='text-decoration: none; color: red;'>Finite Element Method (FEM)</a></span> course.
@@ -133,6 +133,8 @@ with st.sidebar:
             else:
                 st.session_state.activate_expert = st.toggle("Use expert model", value=False)
 
+            show_expert_responce = st.toggle("Show initial expert answer", value=False)
+                
             st.session_state.expert_model = st.selectbox(
                 "Choose the LLM model",
                 ["LLaMA-TOMMI-1.0-11B", "LLaMA-3.2-11B", "gpt-4.1-mini"],
@@ -162,7 +164,7 @@ with st.sidebar:
         st.session_state.synthesis_model = st.selectbox(
             "Choose the LLM model",
             ["LLaMA-3.2-3B", "gpt-4o-mini", "gpt-4.1-mini"], # "LLaMA-3.2-11B", 
-            index=1,
+            index=2,
             key='a2model'
         )