Function trimTrailingNodes

cli/src/utils/markdown-renderer.tsx:140–149

(
  nodes: ReactNode[],
  predicate: (node: ReactNode) => boolean,
)

// Unified trim helper with predicate
const trimTrailingNodes = (
  nodes: ReactNode[],
  predicate: (node: ReactNode) => boolean,
): ReactNode[] => {
  let end = nodes.length
  while (end > 0 && predicate(nodes[end - 1])) {
    end -= 1
  }
  return end === nodes.length ? nodes : nodes.slice(0, end)
}

const trimTrailingWhitespaceNodes = (nodes: ReactNode[]): ReactNode[] => {
  return trimTrailingNodes(