- enhance to set API Key in .env file instead.

.env.sample

@@ -0,0 +1,4 @@
+# Copy this file to .env and fill in your API keys
+
+OPENAI_API_KEY=
+FINNHUB_API_KEY=

cli/main.py

@@ -19,6 +19,10 @@ from rich.tree import Tree
 from rich import box
 from rich.align import Align
 from rich.rule import Rule
+from dotenv import load_dotenv
+
+# Load API keys from .env
+load_dotenv()
 
 from tradingagents.graph.trading_graph import TradingAgentsGraph
 from tradingagents.default_config import DEFAULT_CONFIG

tradingagents/default_config.py

@@ -1,4 +1,8 @@
 import os
+from dotenv import load_dotenv
+
+# Load variables from .env
+load_dotenv()
 
 DEFAULT_CONFIG = {
     "project_dir": os.path.abspath(os.path.join(os.path.dirname(__file__), ".")),
@@ -19,4 +23,7 @@ DEFAULT_CONFIG = {
     "max_recur_limit": 100,
     # Tool settings
     "online_tools": True,
+    # API keys from environment
+    "openai_api_key": os.getenv("OPENAI_API_KEY", ""),
+    "finnhub_api_key": os.getenv("FINNHUB_API_KEY", ""),
 }