[Node.js] Bundle PowerSync Core

[stevensJourney]

Overview

We currently download the relevant binary for the PowerSync rust core as an install script of @powersync/node. Some environments, such as PNPM require explicitly approving install scripts, which can result in cases where the extension is not downloaded.

This bundles the PowerSync extension for all architectures in the published NPM package - avoiding the need for install scripts.

The extension is also downloaded in local scripts to ease local development.

Testing

✅ Verified that the binaries are present in a development package

Tested by installing @powersync/node in a test NPM project. Verified that the client was created and could execute SQL. (Tested this without Better-SQLite)

✅ Tested on MacOS ARM
✅ Tested on Linux x86_64 (Docker)
✅ Tested on Linux arm64 (Docker)
⚠️ Haven't confirmed Windows yet

[changeset-bot]

🦋 Changeset detected

Latest commit: 326f33d

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@powersync/node	Minor

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