Method mapNotFoundError

core/src/utils/error-mapper.ts:228–251

* Maps 404 errors to specific not found subtypes

(message: string, data: unknown)

     * Maps 404 errors to specific not found subtypes
     */
    protected mapNotFoundError(message: string, data: unknown): NotFound {
        const lowerMessage = message.toLowerCase();

        // Detect order not found (but not "order book" — that's a different resource)
        if (lowerMessage.includes('order') && !lowerMessage.includes('order book')) {
            // Try to extract order ID from message
            const orderIdMatch = message.match(/order[:\s]+([a-zA-Z0-9-]+)/i);
            const orderId = orderIdMatch ? orderIdMatch[1] : 'unknown';
            return new OrderNotFound(orderId, this.exchangeName);
        }

        // Detect market not found
        if (lowerMessage.includes('market')) {
            // Try to extract market ID from message
            const marketIdMatch = message.match(/market[:\s]+([a-zA-Z0-9-]+)/i);
            const marketId = marketIdMatch ? marketIdMatch[1] : 'unknown';
            return new MarketNotFound(marketId, this.exchangeName);
        }

        // Generic "not found" - could be order or market depending on context
        // Since we can't determine context here, return generic NotFound
        // The calling code (exchange implementations) should handle this appropriately
        return new NotFound(message, this.exchangeName);
    }

    /**
     * Maps rate limit errors