retryPolicy?: { maxRetries: number; backoffMs: number }

const workflow = new Workflow<MyState>({
  name: "Resilient Pipeline",
  initialState: {},
  steps: [...],
  retryPolicy: {
    maxRetries: 3,
    backoffMs: 1000,
  },
});

interface StepResult {
  stepName: string;
  status: "done" | "error" | "skipped";
  error?: string;
  durationMs: number;
}

interface WorkflowResult<TState> {
  state: TState;
  stepResults: StepResult[];
}

const result = await workflow.run();

// Check for failures
const failed = result.stepResults.filter((s) => s.status === "error");
if (failed.length > 0) {
  console.error("Failed steps:", failed.map((s) => s.stepName));
  failed.forEach((s) => console.error(`  ${s.stepName}: ${s.error}`));
}

// Use final state
console.log("Final state:", result.state);

// Inspect timing
result.stepResults.forEach((s) => {
  console.log(`${s.stepName}: ${s.status} (${s.durationMs}ms)`);
});