Most organizations using AI are experiencing negative consequences not from lack of capability but from lack of control. Three recurring failure patterns emerge: unclear ownership over AI-generated code changes, missing audit trails in AI-assisted incident response, and rollback paths that cause secondary incidents when multi-step agent workflows are partially reversed. Uber burning its entire 2026 AI budget in four months illustrates the financial cost of ungoverned AI adoption. The core argument is that governance must be embedded directly into engineering workflows — version control, CI/CD pipelines, deployment gates — rather than delegated to policy documents. Practically, this means explicitly defining where AI can act autonomously, implementing automatic decision logging, and designing rollback boundaries for agentic workflows before deployment, not during incidents.