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GWT Preview 1

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@georgemclaughlin georgemclaughlin released this 17 Oct 01:46
preview-1
9d56cbd

GWT's first standalone preview for Linux x86-64: readable policies, executable scenarios, source-backed decisions, and offline change review. This is an experimental prerelease for local evaluation.

Install

Start with gwt-0.1.0-x86_64-unknown-linux-musl.tar.gz (static Linux build) and its .sha256 file. Save both together, then:

sha256sum -c gwt-0.1.0-x86_64-unknown-linux-musl.tar.gz.sha256
tar -xzf gwt-0.1.0-x86_64-unknown-linux-musl.tar.gz
cd gwt-0.1.0-x86_64-unknown-linux-musl
sh install.sh --prefix "$HOME/.local"
export PATH="$HOME/.local/bin:$PATH"
gwt version --json

The executable needs no Rust or Python installation. Keep install.sh for removal with --uninstall; rerun the installation command to upgrade an existing Rust GWT installation.

The GNU alternative requires glibc 2.39+ and the shared libraries recorded in its manifest. Both builds were qualified on GitHub's Ubuntu runner; this is not a comprehensive Linux distribution/kernel support matrix. No macOS, Windows, or ARM binaries are included.

Try a policy change

Download and unzip delivery-example.zip, then run these commands from delivery-example/:

gwt validate proposed.gwt
gwt run proposed.gwt --request "quote delivery" --input parcel.json
gwt review delivery.corpus.json --candidate proposed.gwt --html delivery-review.html --decisions-template pending-decisions.json

Open delivery-review.html. Nine cases compare: two fees change from 9 to 5, while the zero-weight rejection and other boundaries remain intact. Decisions start pending. Use new output filenames on subsequent runs. delivery-review.html is also attached for an offline preview without installing GWT.

Identity, provenance, and limits

  • Tag preview-1, Rust package gwt-core 0.1.0, experimental language profile with no assigned language version. The tag is not a stable language release or the historical Python v0.4 milestone.
  • Frozen source: 9d56cbd2d8385586f63d1ce60fa980411886e584.
  • Qualification: CI, distribution build. Per-target records, dependency graphs, source package, and release-manifest.json are attached. SHA256SUMS covers the attached payloads; hashes identify bytes and are not an independent signature.
  • Use this release's example with these binaries. The attached gwt-core-0.1.0.crate source package produces the same engine identity; a direct repository build has a different source manifest and requires its own captures or explicit migration.
  • No stability guarantee, production certification, or support SLA. Resource limits are not an OS sandbox. The host owns external effects; captured cases and HTML can contain sensitive facts and source, so review them before sharing.
  • Human sessions remain pending and external pilots deferred. Automated checks do not demonstrate human-comprehension benefit.

GWT retains its name and MIT license. See the preview scope, installation guide, and full walkthrough.

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