type AgentLoopStrategy = (state) => boolean;

// Continue for up to 5 iterations (model turns, not tool calls)
const strategy: AgentLoopStrategy = ({ iterationCount }) => iterationCount < 5;
// Cap total tool calls across the run (or use middleware onShouldContinue)
const byTools: AgentLoopStrategy = ({ toolCallCount }) => toolCallCount < 20;