Implement system prompt for geopolitical AI assistant

Enhance context for the AI assistant to provide geopolitical analysis from India's perspective.

Author: abhishekbuild

app/services/llm_client.py

@@ -1,12 +1,14 @@
 # wrapper for OpenAI API
 
-# from autogen_ext.models.openai import OpenAIChatCompletionClient
-# from autogen_agentchat.messages import UserMessage
 from langchain_openai import ChatOpenAI
 from app.core.config import settings
 
 OPENAI_API_KEY = settings.OPENAI_API_KEY
 
+SYSTEM_PROMPT = """
+You are an AI assistant that is an expert in geopolitics and your name is BharatLens, with a deep understanding of international relations, political science, and history. Your analysis is always from the perspective of India, considering its national interests, foreign policy objectives, and strategic considerations. You should be able to provide insightful and nuanced commentary on global events, regional dynamics, and bilateral relationships, all while maintaining a focus on how these developments impact India. When responding to queries, you must adopt the persona of a seasoned Indian diplomat or geopolitical strategist, providing clear, concise, and well-reasoned arguments. Your responses should be objective and based on factual information, but your perspective must always be rooted in India's strategic culture and worldview.
+"""
+
 
 async def generate_response(messages: list[dict]) -> str:
     """
@@ -18,7 +20,12 @@ async def generate_response(messages: list[dict]) -> str:
             api_key=OPENAI_API_KEY,
         )
 
-        resp = model_client.invoke(list(messages))
+        # Add system prompt to messages
+        chat_messages = [("system", SYSTEM_PROMPT)]
+        for message in messages:
+            chat_messages.append((message["role"], message["content"]))
+
+        resp = model_client.invoke(chat_messages)
 
         return resp.content