Function isOutputLineTruncated

src/utils/terminal.ts:119–131

(content: string)

 *  very long line that wraps past 3 visual rows — acceptable, since the common
 *  case is multi-line output. */
export function isOutputLineTruncated(content: string): boolean {
  let pos = 0
  // Need more than MAX_LINES_TO_SHOW newlines (content fills > 3 lines).
  // The +1 accounts for wrapText showing an extra line when remainingLines==1.
  for (let i = 0; i <= MAX_LINES_TO_SHOW; i++) {
    pos = content.indexOf('\n', pos)
    if (pos === -1) return false
    pos++
  }
  // A trailing newline is a terminator, not a new line — match
  // renderTruncatedContent's trimEnd() behavior.
  return pos < content.length
}