Function formatDuration

frontend/app.js:1448–1453

(seconds)

    },

    formatDuration(seconds) {
      const total = Math.max(0, Math.floor(Number(seconds || 0)));
      if (total < 60) return `${total}s`;
      if (total < 3600) return `${Math.floor(total / 60)}m ${total % 60}s`;
      return `${Math.floor(total / 3600)}h ${Math.floor((total % 3600) / 60)}m`;
    },

    formatProgress(progress) {
      const value = Number(progress || 0);