fix more types and a goal message bug

app.py

@@ -100,7 +100,7 @@ def setup_messages():
 
 client = OpenAI(base_url="https://openrouter.ai/api/v1", api_key=st.secrets["OPENROUTER_API_KEY"])
 
-if st.session_state.inserted == 1:
+if len(st.session_state.messages) == 1:
     st.success("Ask, request, or talk to the chatbot about something you consider **politically polarizing** or something that people from different US political parties might disagree about it.", icon='🎯')
 
 ### App interface 
@@ -175,7 +175,7 @@ def form():
         st.rerun()
 
 if not st.session_state.gotit:
-    st.markdown("**Please read the instructions below before starting in the side bar to the left before starting.**")
+    st.markdown("**Please read the instructions in the side bar to the left before starting.**")
 
 if st.session_state.gotit and st.session_state.submitted == False:
     form()