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>
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>