Function expandPastedTextRefs

src/history.ts:81–100

(
  input: string,
  pastedContents: Record<number, PastedContent>,
)

 * Image refs are left alone — they become content blocks, not inlined text.
 */
export function expandPastedTextRefs(
  input: string,
  pastedContents: Record<number, PastedContent>,
): string {
  const refs = parseReferences(input)
  let expanded = input
  // Splice at the original match offsets so placeholder-like strings inside
  // pasted content are never confused for real refs. Reverse order keeps
  // earlier offsets valid after later replacements.
  for (let i = refs.length - 1; i >= 0; i--) {
    const ref = refs[i]!
    const content = pastedContents[ref.id]
    if (content?.type !== 'text') continue
    expanded =
      expanded.slice(0, ref.index) +
      content.content +
      expanded.slice(ref.index + ref.match.length)
  }
  return expanded
}

function deserializeLogEntry(line: string): LogEntry {
  return jsonParse(line) as LogEntry