Updated chat history so country and language updates are reflected in system message

app.py

@@ -8,15 +8,23 @@ conversation_history = []
 
 def get_chatbot_response(user_message, country, language):
     global conversation_history
+
+    system_message = (
+        f"You are a lawyer specializing in providing concise and accurate legal information based on the laws in {country}. "
+        f"Respond in {language}. Provide clear, factual information without offering personal legal advice or opinions. "
+        "Include relevant legal references, statutes, or case law when possible."
+    )
+
+    if conversation_history:
+        if conversation_history[0]["role"] == "system":
+            conversation_history[0]["content"] = system_message
+        else:
+            conversation_history.insert(0, {"role": "system", "content": system_message})
+    else:
+        conversation_history.append({"role": "system", "content": system_message})
     
     conversation_history.append({"role": "user", "content": user_message})
 
-    if len(conversation_history) == 1:
-        conversation_history.insert(0, {
-            "role": "system", 
-            "content": f"You are a lawyer specializing in providing concise and accurate legal information based on the laws in {country}. Respond in {language}. Provide clear, factual information without offering personal legal advice or opinions. Include relevant legal references, statutes, or case law when possible."
-        })
-
     completion = client.chat.completions.create(
         model="deepseek-r1-distill-llama-70b",
         messages=conversation_history,