add info to the portfolio summary provided to llm

        quantity: number;

        averagePrice: number;

        currentPrice: number | null;

        buyFees: number;

        sellFees: number;

        profitOrLossIfSold: number;

    }>;

};

                    quantity: 0,

                    averagePrice: 0,

                    currentPrice,

                    buyFees: 0,

                    sellFees: 0,

                    profitOrLossIfSold: 0,

                };

            }

            const existing = summary.position[ticker];

            const totalCost = existing.averagePrice * existing.quantity + unitPrice * quantity;

            const totalQty = existing.quantity + quantity;

            const buyFees = existing.buyFees + this.toNumber(position.buyFees) + this.toNumber(position.buyTaxes);

            const sellFees = currentPrice !== null ? totalQty * currentPrice * 0.0065 : 0; // estimated sell fees and taxes

            const profitOrLossIfSold = currentPrice !== null ? (currentPrice - existing.averagePrice) * totalQty - buyFees - sellFees : 0;

            existing.quantity = totalQty;

            existing.averagePrice = totalQty > 0 ? totalCost / totalQty : 0;

            existing.currentPrice = currentPrice;

            existing.buyFees = buyFees;

            existing.sellFees = sellFees;

            existing.profitOrLossIfSold = profitOrLossIfSold;

        }

        return summary;