`crossdeck-node` repo so future `vX.Y.Z` tag pushes auto-publish
to npm via OIDC Trusted Publishing (matches the existing
`crossdeck-web` pattern). Also strips `test:e2e` from
`prepublishOnly` — the publish workflow runs lint + unit tests +
build which covers the release gate. No SDK code changes vs
v1.4.0.

**Operator note:** npmjs.com Trusted Publisher rule must be
configured for `crossdeck-node` (owner: VistaApps-za,
workflow: publish.yml) before the OIDC publish succeeds. First
publish after this lands will fail with an auth error if the
rule is missing — that's the prompt to configure it.