Spec-driven design: why planning is the new coding

Fernando Melone's project demonstrates the power of spec-driven design, where detailed planning takes precedence over coding to efficiently create applications. During a brief layover in the U.S., Melone used 30 minutes to draft a comprehensive specification and only 10 minutes for execution to develop a browser-based, retro-styled 3D world using real Google city data. The application, which allows users to explore cities in a PlayStation-era aesthetic with real-time weather integration, was built using tools like Vite, TypeScript, and Three.js, and benefited from a cloud-based environment that facilitated continuous iteration and development across different locations. The detailed spec served as a guide for the AI agent, Ona, enabling it to make accurate decisions and adjustments throughout the development process, proving that the primary challenge in modern software development is not coding itself but defining clear and precise project goals and requirements.