Function tailText

src/webui/observer/jsonl.js:36–45

(filePath, maxLines)

}

function tailText(filePath, maxLines) {
  try {
    if (!filePath || !fs.existsSync(filePath)) return '';
    const raw = fs.readFileSync(filePath, 'utf8');
    const lines = raw.split('\n');
    return lines.slice(-toPositiveInt(maxLines, 200)).join('\n');
  } catch {
    return '';
  }
}

function paginate(items, query = {}) {
  const limit = Math.min(toPositiveInt(query.limit, 50), 200);