# what changed
- adds docs for `getExtensionArchive()`, `get_extension_archive()`,
`ExtensionArchive()`

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---
## Summary by cubic
Documents the new extension ZIP export helpers and updates the
deployment guide to use them instead of the hardcoded `node_modules`
path.

- Adds a new "Exporting the Stagehand extension" section covering
`getExtensionArchive()`, `get_extension_archive()`, and
`ExtensionArchive()`, including upload and local Chrome installation
examples.
- Updates the deployment guide to export `stagehand-extension.zip` via
the SDK helper before uploading.

<sup>Written for commit fd9b57bb6cfc6566fe35ee11c3cb123aa02a23e7.
Summary will update on new commits.</sup>

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