/**
 * Case-insensitive substring match for Overview "Workplans by Repository".
 * Matches title, repo, domain, filename, owner, and id.
 *
 * @param {object} workplan  Row from overview workplan_rows
 * @param {string} query     Free-text filter
 * @returns {boolean}
 */
export function workplanMatchesSearch(workplan, query) {
  const q = String(query ?? "").trim().toLowerCase();
  if (!q) return true;
  if (!workplan || typeof workplan !== "object") return false;
  const haystack = [
    workplan.title,
    workplan.repo_label,
    workplan.domain,
    workplan.workplan_filename,
    workplan.owner,
    workplan.id,
  ].filter(Boolean).join("\n").toLowerCase();
  return haystack.includes(q);
}