quote the post you create

blah.js

import {BskyAgent} from '@atproto/api'
import {dataToCborBlock, TID} from '@atproto/common'
import {lexToIpld} from '@atproto/lexicon'
import {cborToLex} from '@atproto/repo'

const agent = new BskyAgent({
  service: 'https://pds.haileyok.com',
})

const doIt = async () => {
  await agent.login({
    identifier: 'haileyok.com',
    password: 'SECRET',
  })

  const nextRkey = TID.next()
  const nextRkeyStr = nextRkey.toString()
  const did = agent.session.did

  const record = {
    text: 'yes, this should be doable',
    createdAt: new Date().toISOString(),
    embed: {
      $type: 'app.bsky.embed.record',
      record: {
        uri: `at://${agent.session.did}/app.bsky.feed.post/${nextRkeyStr}`,
      }
    },
    reply: {
      root: {
        "cid": "bafyreibt3bazk7xgvonij4tso2tvxrhsssiwzjndhbrtu4vs3yepfhnm34",
        "uri": "at://did:plc:tj6tznbcdj47lfrfkdfmt7ul/app.bsky.feed.post/3kpdizych6c2a"
      },
      parent: {
        "uri": "at://did:plc:7qvnag2wmk2iidyvs2yz4rww/app.bsky.feed.post/3kpdj67bexn2x",
        "cid": "bafyreiatocatfchkjdwjekrofi6zqhl4vektypxwjz6pv2flbjuglzirpe"
      }
    }
  }

  const block = await dataToCborBlock(lexToIpld(record))
  cborToLex(block.bytes)
  const cid = block.cid

  await agent.api.app.bsky.feed.post.create(
    {repo: did, rkey: nextRkeyStr},
    {
      ...record,
      embed: {
        ...record.embed,
        record: {
          ...record.embed.record,
          cid: cid.toString()
        }
      },
    }
  )
}

doIt()