When a v* tag is pushed, all platforms build in parallel then
a release job collects artifacts and creates a draft GitHub
Release with changelog and download instructions.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
electron-builder auto-publishes in CI without GH_TOKEN, causing
failure. Also remove redundant Windows arch matrix since NSIS
bundles both x64 and arm64 in a single installer.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Supports Windows (NSIS), macOS (DMG), and Linux (AppImage/deb/rpm)
builds via native runners. Triggered manually or on version tags.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>