/* Vault — shared UI helpers (no seed data; all content comes from Supabase) */

function timeAgo(ts) {
  const s = (Date.now() - ts) / 1000;
  if (s < 60) return 'just now';
  if (s < 3600) return Math.max(1, Math.round(s / 60)) + 'm';
  if (s < 86400) return Math.round(s / 3600) + 'h';
  return Math.round(s / 86400) + 'd';
}

// Local prefs only (active space tab). Never user content.
function loadLS(key, fallback) {
  try { const s = localStorage.getItem(key); if (s) return JSON.parse(s); } catch (e) {}
  return fallback;
}
function saveLS(key, val) { try { localStorage.setItem(key, JSON.stringify(val)); } catch (e) {} }

Object.assign(window, { timeAgo, loadLS, saveLS });