Plan your app’s system spec (No code)

Moving past basic AI prototypes requires deliberate planning. In this episode of Build It, you’ll shift from "vibe coding" to a more spec-driven approach to define a smart fitness app’s data architecture using only natural language. As an added bonus, you’ll learn to create and use a custom agent to walk you through the entire process, even teaching you along the way! Join us as we use Google Antigravity and work alongside an AI planning companion to design a robust, production-grade backend architecture for use in Cloud Firestore. Chapters: 0:00 - Intro and app overview 02:24 - Creating a