INVENTORY & POS MANAGEMENT SYSTEM FULL PRODUCT REQUIREMENTS DOCUMENT (PRD)

A complete Product Requirements Document (PRD) for building a modern Inventory and POS Management System using HTML, CSS, JavaScript, PHP, and MySQL. This document includes detailed business requirements, user roles, inventory workflows, purchasing workflows, sales processing, stock management, supplier management, reporting, database design, UI specifications, security requirements, and deployment guidelines. Suitable for software developers, agencies, startups, and SaaS founders looking to build or sell a professional Inventory and POS platform.