Introduces a Profit Analysis modal for products, allowing users to view profit, margin, and markup calculations based on cost per unit and pricing tiers. Adds cost per unit input to the product modal, updates product types, and integrates the analysis modal into the products page and product table. This enhances product management with profit tracking and analysis features.
Introduces promotion-related fields to the Order interface and displays promotion discounts in both the order details and order table. Adds a PromotionDetailsModal component for viewing detailed promotion analytics and eligibility, and integrates it into the PromotionsList with a new 'view details' action.
Introduces the optional 'paidAt' field to the Order interface and updates both the order details page and the order table to display the payment date. Also adds sorting by 'paidAt' in the order table and improves date formatting for both order and payment dates.
