Function deepCopyPart

packages/kosong/src/generate.ts:340–342

* Produce a shallow-ish copy of a StreamedMessagePart. * * This is intentionally minimal: we only need isolation for the mutable * string fields that `mergeInPlace` mutates (text, think, arguments).

(part: StreamedMessagePart)

 * string fields that `mergeInPlace` mutates (text, think, arguments).
 */
function deepCopyPart(part: StreamedMessagePart): StreamedMessagePart {
  return structuredClone(part);
}