In Gulf enterprise deployments, agent failure is often blamed on language or model weakness. Those factors matter, but many failures happen at the action boundary: the wrong tool, the wrong argument, the wrong scope, or the right action performed without sufficient evidence.
Closed-loop control means checking the action before execution. A separate critic or policy layer can validate schema, permissions, evidence, business rule, and potential impact. This is less glamorous than end-to-end autonomy, but closer to how accountable institutions operate.
For regulated workflows, the agent should not be treated as a free actor. It should be a proposal engine operating under a control system: suggest, validate, execute, log, and learn from exceptions.