Check if the user has completed browser sign-in for a device auth request.
Poll this after calling initiate_device_auth. Returns status 'pending'
while waiting, or 'complete' with an api_key when the user has signed in.
Use the returned api_key as the authorization parameter in other tools.
Args:
user_code: The user_code returned by initiate_device_auth.
Returns:
Pending: {"status": "pending"}
Complete: {"status": "complete", "api_key": "hk_..."}
Error: {"error": "..."}
Connector