update to vectara-agentic 0.1.8 and minor updates

app.py

@@ -58,7 +58,7 @@ async def launch_bot():
         st.session_state.student_age = cfg.student_age
         st.session_state.cfg = cfg
         st.session_state.ex_prompt = None
-        example_messages = [example.strip() for example in cfg.examples.split(",")] if cfg.examples else []
+        example_messages = [example.strip() for example in cfg.examples.split(";")] if cfg.examples else []
         st.session_state.example_messages = [em for em in example_messages if len(em)>0]
         reset()
 

requirements.txt

@@ -6,4 +6,4 @@ streamlit_feedback==0.1.3
 uuid==1.30
 langdetect==1.0.9
 langcodes==3.4.0
-vectara-agentic==0.1.7
+vectara-agentic==0.1.8