refactoring

Refactoring is easiest to understand with a house analogy. You don't change the room layout or the front door position that your family actually uses (what the app does) — you just tidy up the messy storage room and tangle of wires behind the scenes. Someone looking from outside won't notice any difference, but when you need to fix or build something new inside, it becomes much easier.

When using AI tools that write code for you, things often go smoothly at first, but at some point a small change starts breaking other features, and responses get slower. This isn't necessarily because the AI got worse — it can be a sign that the code has piled up like a cluttered storage room. In unorganized code, even AI has to spend more time and resources figuring out where things are, which raises the chance of mistakes. That's why it matters to build the habit of tidying up the code, like cleaning out a storage room, every time you finish a feature.

The coding agent Bolt pointed out that when an app keeps malfunctioning or slowing down, the cause often isn't the agent itself but a codebase that's become messy, and it released a refactoring prompt that first diagnoses the problem and produces a plan before touching any code. Contrary to common misconception, refactoring isn't about adding features or fixing bugs — the key is that the screens and behavior stay exactly the same while only the internal structure gets cleaned up.

Try asking your coding agent this:

"I want to refactor this project to make it cleaner and easier to maintain. Before changing any code, first inspect the codebase and give me a plan. Find files that are too long or doing too many things at once, logic duplicated in multiple places, confusingly named parts, and dead code nobody uses, and tell me how you'd change each one along with the risk level. Don't touch the code yet, and don't add features or fix other bugs. Just give me a prioritized plan so we can proceed after I approve it."

After getting the plan, approve and proceed one low-risk item at a time — this reduces the risk of the app suddenly breaking.