feat: add analysis-only crypto asset mode

tradingagents/agents/analysts/news_analyst.py

@@ -9,6 +9,8 @@ def create_news_analyst(llm):
     def news_analyst_node(state):
         current_date = state["trade_date"]
         ticker = state["company_of_interest"]
+        asset_type = state.get("asset_type", "stock")
+        asset_label = "company" if asset_type == "stock" else "asset"
 
         tools = [
             get_news,
@@ -16,7 +18,7 @@ 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. Do not simply state the trends are mixed, provide detailed and finegrained analysis and insights that may help traders make decisions."
+            f"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 {asset_label}-specific or targeted news searches, and get_global_news(curr_date, look_back_days, limit) for broader macroeconomic news. Do not simply state the trends are mixed, provide detailed and finegrained analysis and insights that may help traders make 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."""
         )
 
@@ -31,7 +33,7 @@ def create_news_analyst(llm):
                     " If you or any other assistant has the FINAL TRANSACTION PROPOSAL: **BUY/HOLD/SELL** or deliverable,"
                     " prefix your response with FINAL TRANSACTION PROPOSAL: **BUY/HOLD/SELL** so the team knows to stop."
                     " You have access to the following tools: {tool_names}.\n{system_message}"
-                    "For your reference, the current date is {current_date}. We are looking at the company {ticker}",
+                    "For your reference, the current date is {current_date}. We are looking at the {asset_label} {ticker}",
                 ),
                 MessagesPlaceholder(variable_name="messages"),
             ]
@@ -41,6 +43,7 @@ def create_news_analyst(llm):
         prompt = prompt.partial(tool_names=", ".join([tool.name for tool in tools]))
         prompt = prompt.partial(current_date=current_date)
         prompt = prompt.partial(ticker=ticker)
+        prompt = prompt.partial(asset_label=asset_label)
 
         chain = prompt | llm.bind_tools(tools)
         result = chain.invoke(state["messages"])