feat: multi-language output support for analyst reports and final decision (#472)

tradingagents/agents/analysts/news_analyst.py

@@ -4,6 +4,7 @@ import json
 from tradingagents.agents.utils.agent_utils import (
     build_instrument_context,
     get_global_news,
+    get_language_instruction,
     get_news,
 )
 from tradingagents.dataflows.config import get_config
@@ -22,6 +23,7 @@ def create_news_analyst(llm):
         system_message = (
             "You are a news researcher tasked with analyzing recent news and trends over the past week. Please write a comprehensive report of the current state of the world that is relevant for trading and macroeconomics. Use the available tools: get_news(query, start_date, end_date) for company-specific or targeted news searches, and get_global_news(curr_date, look_back_days, limit) for broader macroeconomic news. Provide specific, actionable insights with supporting evidence to help traders make informed decisions."
             + """ Make sure to append a Markdown table at the end of the report to organize key points in the report, organized and easy to read."""
+            + get_language_instruction()
         )
 
         prompt = ChatPromptTemplate.from_messages(