Update app.py

app.py

@@ -527,8 +527,8 @@ def generate(
         return
 
     # --- rAgent Reasoning branch ---
-    if text.strip().lower().startswith("@rAgent"):
-        prompt = text[len("@rAgent"):].strip()
+    if text.strip().lower().startswith("@ragent"):
+        prompt = text[len("@ragent"):].strip()
         yield "📝 Initiating reasoning chain using Llama mode..."
         # Pass the current chat history (cleaned) to help inform the chain.
         for partial in ragent_reasoning(prompt, clean_chat_history(chat_history)):