Whether the run must expire now and why, or null when it is within budget (or
no budget is configured). Two independent bounds: agent time, which excludes
settle so a slow-rendering app doesn't burn the reasoning budget, and the
wall-clock ceiling, which caps total elapsed time.
Whether the run must expire now and why, or
nullwhen it is within budget (or no budget is configured). Two independent bounds: agent time, which excludes settle so a slow-rendering app doesn't burn the reasoning budget, and the wall-clock ceiling, which caps total elapsed time.