function selectJobs(jobs) {
  if (!Array.isArray(jobs) || jobs.length > 10000) {
    throw new TypeError("Expected at most 10000 job records");
  }
  const seen = new Set();
  const ordered = jobs.map((job) => {
    if (!job || typeof job !== "object" || Array.isArray(job) ||
        typeof job.id !== "string" ||
        !/^[A-Z][A-Z0-9-]{0,15}$/.test(job.id) || seen.has(job.id)) {
      throw new TypeError("Each job needs a unique uppercase ID");
    }
    if (!Number.isInteger(job.start) || !Number.isInteger(job.end) ||
        job.start < 0 || job.end > 1440 || job.start >= job.end) {
      throw new RangeError("Use whole minutes: 0 <= start < end <= 1440");
    }
    seen.add(job.id);
    return { id: job.id, start: job.start, end: job.end };
  });
  ordered.sort((a, b) => a.end - b.end || a.start - b.start ||
    (a.id < b.id ? -1 : a.id > b.id ? 1 : 0));
  const selected = [];
  let lastEnd = 0;
  for (const job of ordered) {
    if (job.start >= lastEnd) {
      selected.push(job.id);
      lastEnd = job.end;
    }
  }
  return selected;
}

const sample = [
  { id: "A", start: 0, end: 60 },
  { id: "B", start: 0, end: 30 },
  { id: "C", start: 30, end: 60 },
  { id: "D", start: 55, end: 90 },
  { id: "E", start: 60, end: 90 },
  { id: "F", start: 90, end: 120 }
];
const result = selectJobs(sample);
console.log("Selected IDs:", result.join(", "));
console.log("Selected count:", result.length);