fix: improve data vendor implementations and tool signatures

- Add get_global_news for Alpha Vantage
- Fix get_insider_transactions signature (remove unused curr_date param)
- Remove unnecessary default params from API calls (sort, limit, tab)

tradingagents/agents/utils/agent_utils.py

@@ -15,7 +15,6 @@ from tradingagents.agents.utils.fundamental_data_tools import (
 )
 from tradingagents.agents.utils.news_data_tools import (
     get_news,
-    get_insider_sentiment,
     get_insider_transactions,
     get_global_news
 )

tradingagents/agents/utils/news_data_tools.py

@@ -38,34 +38,16 @@ def get_global_news(
     """
     return route_to_vendor("get_global_news", curr_date, look_back_days, limit)
 
-@tool
-def get_insider_sentiment(
-    ticker: Annotated[str, "ticker symbol for the company"],
-    curr_date: Annotated[str, "current date you are trading at, yyyy-mm-dd"],
-) -> str:
-    """
-    Retrieve insider sentiment information about a company.
-    Uses the configured news_data vendor.
-    Args:
-        ticker (str): Ticker symbol of the company
-        curr_date (str): Current date you are trading at, yyyy-mm-dd
-    Returns:
-        str: A report of insider sentiment data
-    """
-    return route_to_vendor("get_insider_sentiment", ticker, curr_date)
-
 @tool
 def get_insider_transactions(
     ticker: Annotated[str, "ticker symbol"],
-    curr_date: Annotated[str, "current date you are trading at, yyyy-mm-dd"],
 ) -> str:
     """
     Retrieve insider transaction information about a company.
     Uses the configured news_data vendor.
     Args:
         ticker (str): Ticker symbol of the company
-        curr_date (str): Current date you are trading at, yyyy-mm-dd
     Returns:
         str: A report of insider transaction data
     """
-    return route_to_vendor("get_insider_transactions", ticker, curr_date)
+    return route_to_vendor("get_insider_transactions", ticker)