user session

app.py

@@ -249,20 +249,7 @@ async def on_question_selected(action: cl.Action):
         related_papers_content = "**Related Papers from PubMed:**\n" + "\n".join(f"- {paper}" for paper in related_papers)
         await cl.Message(content=related_papers_content, author="").send()
 
-   
-potential_questions = [
-    "What should I be careful of when taking Metformin?",
-    "What are the contraindications of Aspirin?", 
-    "Are there low-cost alternatives to branded Aspirin available over-the-counter?",
-    "What precautions should I take if I'm pregnant or nursing while on Lipitor?",
-    "Should Lipitor be taken at a specific time of day, and does it need to be taken with food?",
-    "What is the recommended dose of Aspirin?",
-    "Can older people take beta blockers?",
-    "How do beta blockers work?",
-    "Can beta blockers be used for anxiety?",
-    "I am taking Aspirin, is it ok to take Glipizide?",
-    "Explain in simple terms how Metformin works?"
-]
+
 
 # Callback for chat start event
 @cl.on_chat_start
@@ -367,12 +354,29 @@ async def on_chat_start():
                 api_key=QDRANT_API_KEY,
                 collection_name="fda_drugs"  # Name of the collection in Qdrant
             )
+       
+        if not cl.user_session.get("potential_questions_shown", False):
+
+                potential_questions = [
+                    "What should I be careful of when taking Metformin?",
+                    "What are the contraindications of Aspirin?", 
+                    "Are there low-cost alternatives to branded Aspirin available over-the-counter?",
+                    "What precautions should I take if I'm pregnant or nursing while on Lipitor?",
+                    "Should Lipitor be taken at a specific time of day, and does it need to be taken with food?",
+                    "What is the recommended dose of Aspirin?",
+                    "Can older people take beta blockers?",
+                    "How do beta blockers work?",
+                    "Can beta blockers be used for anxiety?",
+                    "I am taking Aspirin, is it ok to take Glipizide?",
+                    "Explain in simple terms how Metformin works?"
+                ]
+                await cl.Message(
+                    content="**Welcome to PharmAssistAI ! Here are some potential questions you can ask:**",
+                    actions=[cl.Action(name="ask_question", value=question, label=question) for question in potential_questions]  
+                ).send()
+                cl.user_session.set("potential_questions_shown", True)
 
-        
-        await cl.Message(
-            content="**Welcome to PharmAssistAI ! Here are some potential questions you can ask:**",
-            actions=[cl.Action(name="ask_question", value=question, label=question) for question in potential_questions]  
-        ).send()
+