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Module
Module 3 of 5Lesson 3 of 3~15 min

Understand what the agent built

You do not need to know how to code to understand what the agent has built. This lesson takes you on a tour of a React and Vite project so you know what each important file is for and where the data is stored. You can then tell what your app can do without a server, and what it cannot.

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Lesson objective

By the end of this lesson, you will be able to explain what the main files of a React and Vite project are for, say where your app's data lives, and deduce what it can and cannot do without a back end.

Topics covered

  • React
  • Vite
  • project structure
  • data storage
  • back end

Where it fits

Set up your machine and generate the first version

How do I get a first version running on my machine, and understand what was created?

Lessons in this module

  1. Set up your workstation
  2. From framing to plan, then to code
  3. Understand what the agent built (this lesson)

What you will learn in the course

This lesson is part of the course Build and ship a web app with an AI coding agent

  • Frame a tool (problem, user, inputs, expected result) and write its acceptance criteria before generating a single line of code.
  • Choose between a chat with artifacts, an app builder and a coding agent based on the need, the level of control required and the risk.
  • Write a build request for a coding agent (context, scope, constraints, verification) and get a plan approved before any code is written.
  • Set up the environment (terminal, Node.js, Git, Claude Code), run the application locally and explain what the main files of the generated project are for.
  • Evolve and debug the application in small, checked, committed iterations, giving the agent the right context (symptom, steps, error message).
  • Review the generated app before sharing it (behavior, edge cases, secrets, personal data, experience) and decide whether to ship, fix or stop.
  • Publish the app from GitHub to a host with continuous deployment, get a public URL and evolve the live version without breaking it.

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