Swap the signer

A signer is an algosdk.TransactionSigner: (txns, indexes) => Promise<Uint8Array[]>. It plugs in at one of two places, and the deployment decides which.

Server side, mode: 'execute' — tools sign inside the process:

resolveSigner: async (address) => signer   // keystore daemon, KMD, a mnemonic, your HSM

Example: examples/signer.ts. The keystore daemon (createKeystoreSigner) is one such signer.

Client side, mode: 'compose' — tools return a draft; a wallet signs after a human approves:

import { createWalletSignDraft } from '@initlabs/vibekit/actions'
signDraft: createWalletSignDraft({ network, walletNetwork: () => wallet.activeNetwork, signer: wallet.transactionSigner, record })

record turns the signed bytes into the signed record — a server route that verifies them, or signedGroupRecordFor in-process. Only the legs the draft leaves to the wallet are offered to it; a router’s pre-signed legs are spliced back in place.

Example of the whole action, no UI: packages/vibekit/examples/action.ts.