feat: inject current datetime into agent system prompt

src/agent.py

@@ -2,6 +2,7 @@ import os
 import requests
 import threading
 import time
+from datetime import datetime
 from langchain_core.tools import tool
 from langchain_google_genai import ChatGoogleGenerativeAI
 from langgraph.prebuilt import create_react_agent
@@ -108,12 +109,15 @@ def run_agent_activity(payload: dict) -> str:
     user_request = payload.get("text", "")
     target_jid = payload.get("targetJid", "default")
     sender = payload.get("sender", "Unknown")
+    current_datetime = datetime.now().strftime("%A, %B %d %Y %I:%M %p")
 
     primary_llm = ChatGoogleGenerativeAI(model="gemini-2.5-flash")
     fallback_llm = ChatGoogleGenerativeAI(model="gemini-2.5-pro")
     llm = primary_llm.with_fallbacks([fallback_llm])
     
     system_prompt = f"""You are a highly capable AI assistant operating as an orchestrator.
+
+CURRENT DATE AND TIME: {current_datetime}. Use this for all date/time calculations. Never ask the user for the current date or time.
     
 The user ({sender}) has sent a message.
 Their routing ID (target_jid) is: {target_jid}.