Models are trained on a massive amount of data. That doesn't mean that they know all the details of your specific situation. The training data might contain all chargeback fee schedules for Mastercard up until 2025, but you live in 2026 and actually ask about chargebacks on Wero. The model's knowledge is broad, generic and frozen at training time. You cannot just retrain Claude to include your data (except if you own Anthropic). So how can we pass knowledge that is specific to your situation or ...