ai-agents-cost-tracking-config-when-using-litellm-proxy-with-disable-spend-update-faf82fb6

THEN Ensure that the cost tracking callback is skipped when `disable_spend_updates` is enabled. This can be done by modifying the `_should_track_cost_callback` function to check the configuration flag and return False, or by not registering the callback at all when the flag is set.

def _should_track_cost_callback(kwargs):
    if kwargs.get('proxy_config', {}).get('disable_spend_updates', False):
        return False
    # existing logic...