CLAUDE WRITES CODE. A TEST BREAKS. IT HANDS THE ERROR BACK TO YOU TO DEAL WITH. You read it. You paste it back. You tell it to try again. You are doing the debugging. It is just typing. A self-fixing agent flips that entirely. It reads its own failure, classifies the error
Claude Writes Code
CLAUDE WRITES CODE. A TEST BREAKS. IT HANDS THE ERROR BACK TO YOU TO DEAL WITH.