When an autonomous coding agent ships a defect, Scrum's accountability model doesn't quietly reassign blame — it silently vaporizes it, and that structural vacuum is more dangerous than the bug itself. Picture the retrospective. A critical regression slipped through the sprint, caught only after it hit staging. Someone asks the question every team dreads: "Who owned this?" The developer points to the agent's pull request. The Product Owner notes the story was AI-generated. The Scrum Master ...