Give a coding agent a failing test and it fixes itself. Give it a stack trace, a type error, a red CI log, and it reads the signal, reasons about the cause, and corrects. That loop is the whole reason agents feel autonomous on the backend.
Source: [Dev.to](https://dev.to/igrlk/your-coding-agent-can-write-the-ui-it-cant-see-that-it-broke-it-3bi)