Function visit

orchestrate/skills/orchestrate/scripts/core/loop.ts:171–195

(s: TaskState, path: Set<string>)

  if (!planTasks(mgr.plan).some(t => t.name === task.name)) return false;
  const memo = new Map<string, boolean>();
  const visit = (s: TaskState, path: Set<string>): boolean => {
    const cached = memo.get(s.name);
    if (cached !== undefined) return cached;
    if (path.has(s.name)) {
      memo.set(s.name, false);
      return false;
    }

    const nextPath = new Set(path);
    nextPath.add(s.name);
    // Pending chains can hide terminal blockers behind direct pending deps.
    for (const dep of s.dependsOn) {
      const ds = mgr.getTask(dep);
      if (!ds || isFailedTerminalStatus(ds.status)) {
        memo.set(s.name, false);
        return false;
      }
      if (ds.status !== "handed-off" && !visit(ds, nextPath)) {
        memo.set(s.name, false);
        return false;
      }
    }
    memo.set(s.name, true);
    return true;
  };
  return visit(task, new Set());
}