electron-builder doesn't write CLI-supplied --notes into the
auto-update manifest, so clients saw an empty body in UpdateToast
even when the release script logged notes. After the build but
before scp, patch latest.yml in place: append a block scalar
(`releaseNotes: |-`) so multi-line notes survive intact.
Idempotent — skips if a releaseNotes entry is already present
(reruns / hand-edited manifests).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
