Update app.py

app.py

@@ -48,20 +48,21 @@ def chat_fn(message, history):
 
     context = get_context(message)
 
-    # ✅ Allow fallback for greetings
+    # ✅ Handle greetings when no context found
     if not context.strip():
         if is_greeting(message):
-            return "👋 Hello! How can I assist you today?"
-        return "❌ I couldn’t find any relevant info to answer that. Please ask something else."
+            return "👋 Hey there! How can I help you today?"
+        return "🤔 Hmm, I’m not sure about that. Could you rephrase your question?"
 
-    # ✅ Construct message payload
+    # ✅ Construct prompt with friendly natural tone
     messages = [
         {
             "role": "system",
             "content": (
-                "You are a precise, concise assistant. Use ONLY the provided context."
-                " Respond in 1–2 short sentences maximum. Do not explain unless asked."
-                " If unsure, say: 'I couldn’t find the answer based on available context.'"
+                "You are a friendly, helpful assistant."
+                " Use the following context to answer questions naturally and clearly."
+                " Be conversational and concise. Avoid saying you're using context."
+                " If unsure, say: 'I’m not sure about that. Could you rephrase?'"
                 "\n\nContext:\n" + context
             )
         }
@@ -71,13 +72,12 @@ def chat_fn(message, history):
         messages.append({"role": "user", "content": user})
         messages.append({"role": "assistant", "content": assistant})
 
-    # ✅ Encourage brevity in user input
-    messages.append({"role": "user", "content": message + "\n\nPlease answer briefly."})
+    messages.append({"role": "user", "content": message + "\n\nKeep your reply short and natural."})
 
     payload = {
         "model": MODEL,
         "messages": messages,
-        "max_tokens": 150,
+        "max_tokens": 200,
     }
 
     try:
@@ -111,7 +111,7 @@ async def chat_api(request: Request):
 demo = gr.ChatInterface(
     fn=chat_fn,
     title="💬 CODEX MIRXA KAMRAN",
-    description="Ask anything related to our knowledge base. Short, fast and precise answers!",
+    description="Chat with our AI assistant based on internal knowledge. Short, natural and helpful answers!",
     theme="soft"
 )