How do I edit a Word document with AI without breaking its format?

from pathlib import Path
from doconda import Doconda

doconda = Doconda()  # reads the key from DOCONDA_API_KEY
file = doconda.files.upload("contract.docx")
edited = doconda.documents.create(
    operation="edit",
    file=file["id"],
    prompt="Headings in blue and add a confidentiality clause",
)
edits = doconda.documents.report(edited["id"])["edits"]
# each change, with the text before and after
Path("contract-edited.docx").write_bytes(doconda.documents.download(edited["id"], "docx"))

import { readFile, writeFile } from "node:fs/promises"
import { Doconda } from "@doconda/sdk"

const doconda = new Doconda()
const file = await doconda.files.upload(await readFile("contract.docx"), "contract.docx")
const edited = await doconda.documents.create({
  operation: "edit",
  file: file.id,
  prompt: "Headings in blue and add a confidentiality clause",
})
const { edits } = await doconda.documents.report(edited.id)
// each change, with the text before and after
await writeFile("contract-edited.docx", await doconda.documents.download(edited.id, "docx"))