aggiunte istruzioni per ottenere solo la risposta, senza commenti/spiegazioni

agent.py

@@ -4,7 +4,7 @@ import traceback
 
 from typing import Annotated,Sequence, TypedDict
 
-from langchain_core.messages import BaseMessage
+from langchain_core.messages import BaseMessage, HumanMessage
 from langgraph.graph.message import add_messages # helper function to add messages to the state
 from langchain_core.messages import ToolMessage
 from langchain_core.runnables import RunnableConfig
@@ -71,8 +71,18 @@ def call_tool(state: AgentState):
 
 
 def call_model( state: AgentState, config: RunnableConfig):
+    # Modo 1)
     # Invoke the model with the system prompt and the messages
-    response = chat_with_tools.invoke(state["messages"], config)
+    #response = chat_with_tools.invoke(state["messages"], config)
+
+    # Modo 2)
+    # Create a copy to avoid modifying the original state and append instruction to the end
+    messages = state["messages"][:]
+    messages.append(
+        HumanMessage(content="Provide only the answer, without explanations or comments.")
+    )  # Append instruction to the end
+    response = chat_with_tools.invoke(messages, config)
+
     # We return a list, because this will get added to the existing messages state using the add_messages reducer
     return {"messages": [response]}