"""
Agent implementation for answering questions using local resources
This is a minimal placeholder implementation to satisfy the expected API in app.py
"""
import os
import logging

# Configure logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
logger = logging.getLogger(__name__)

def build_graph(model_provider: str = "google"):
    """
    This is a placeholder function that satisfies the API expected by app.py.
    In our implementation, we're not actually using a graph-based agent.
    """
    logger.info(f"Building graph with provider: {model_provider}")
    
    # Return a simple function that can be called later
    def process_function(inputs):
        return inputs
    
    return process_function