electron-builder only logs a warning for a missing extraResources source,
so a host-only install silently shipped a foreign-arch slice without its
natives — `pnpm build:mac` on Apple Silicon produced an x64 DMG with no
sherpa-onnx-darwin-x64 and no @parcel/watcher-darwin-x64. The previous
beforePack hook covered only win32.
- Add assertPackagedNativeVariantsInstalled, an arch-aware check over the
target's sherpa-onnx, @parcel/watcher, and (on Windows) node-gyp addons.
beforePack now runs it for every platform, with remedies split: another
architecture comes from install:release, the os:win32 addons need a
Windows host.
- Drop --os from the release installs. Every packaging job already runs on
a runner whose OS matches its target, so only the macOS lanes need extra
breadth, and only on CPU for their x64+arm64 config. Windows and Linux
packaging return to a plain host-only install.
- Add --frozen-lockfile to install:release so a bare run cannot rewrite
the lockfile.
- Restore the install policy reference doc and the CONTRIBUTING note, plus
the rationale comments dropped from the runtime contract test.
- Gate the packaging-closure assertions on whether the Windows addons are
installed rather than on the host OS, so a cross-arch install exercises
them off Windows too.
- Make the workflow contract test read `run:` steps as well as retry-action
commands, and enforce host-only scoping on the non-macOS packaging lanes.
- Remove the unreferenced install measurement script; its numbers live in
the policy doc.
Neil
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