Local Ollama (#53)

- Fix typo 'Start' 'End'
- Add llama3.1 selection
- Use 'quick_think_llm' model instead of hard-coding GPT

tradingagents/dataflows/interface.py

@@ -628,7 +628,7 @@ def get_YFin_data_window(
 def get_YFin_data_online(
     symbol: Annotated[str, "ticker symbol of the company"],
     start_date: Annotated[str, "Start date in yyyy-mm-dd format"],
-    end_date: Annotated[str, "Start date in yyyy-mm-dd format"],
+    end_date: Annotated[str, "End date in yyyy-mm-dd format"],
 ):
 
     datetime.strptime(start_date, "%Y-%m-%d")
@@ -670,7 +670,7 @@ def get_YFin_data_online(
 def get_YFin_data(
     symbol: Annotated[str, "ticker symbol of the company"],
     start_date: Annotated[str, "Start date in yyyy-mm-dd format"],
-    end_date: Annotated[str, "Start date in yyyy-mm-dd format"],
+    end_date: Annotated[str, "End date in yyyy-mm-dd format"],
 ) -> str:
     # read in data
     data = pd.read_csv(
@@ -704,10 +704,10 @@ def get_YFin_data(
 
 def get_stock_news_openai(ticker, curr_date):
     config = get_config()
-    client = OpenAI()
+    client = OpenAI(base_url=config["backend_url"])
 
     response = client.responses.create(
-        model="gpt-4.1-mini",
+        model=config["quick_think_llm"],
         input=[
             {
                 "role": "system",
@@ -739,10 +739,10 @@ def get_stock_news_openai(ticker, curr_date):
 
 def get_global_news_openai(curr_date):
     config = get_config()
-    client = OpenAI()
+    client = OpenAI(base_url=config["backend_url"])
 
     response = client.responses.create(
-        model="gpt-4.1-mini",
+        model=config["quick_think_llm"],
         input=[
             {
                 "role": "system",
@@ -774,10 +774,10 @@ def get_global_news_openai(curr_date):
 
 def get_fundamentals_openai(ticker, curr_date):
     config = get_config()
-    client = OpenAI()
+    client = OpenAI(base_url=config["backend_url"])
 
     response = client.responses.create(
-        model="gpt-4.1-mini",
+        model=config["quick_think_llm"],
         input=[
             {
                 "role": "system",