Function splitRows

test/tui_layout.test.js:12–14

(buf)

// Fullscreen TUI outputs coordinate positioning (\x1b[row;colH) rather than \n.
// This splits the absolute escape stream into rows.
function splitRows(buf) {
  return buf.split(/\x1b\[\d+;\d+H/).filter(l => l.length > 0);
}

// Helper to mock stdout dimensions cleanly without boilerplate
function runWithMockStdout(columns, rows, fn) {