change default model

agent.py

@@ -212,7 +212,7 @@ tools = [
 ]
 
 # Build graph function
-def build_graph(provider: str = "google"):
+def build_graph(provider: str = "huggingface"):
     """Build the graph"""
     if provider == "google":
         llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash", temperature=0)