chore(release): prepare v3.9.4 #29

	name: Build Desktop App Binaries

	on:
	push:
	tags:
	- "v*"

	permissions:
	contents: write

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: "lts/*"

	# PERF-022: Cache Neutralino binaries and downloaded CDN libraries
	- name: Cache Neutralino binaries
	uses: actions/cache@v4
	with:
	path: \|
	desktop-app/bin
	desktop-app/resources/libs
	key: neutralino-${{ hashFiles('desktop-app/neutralino.config.json') }}

	- name: Setup Neutralinojs binaries
	working-directory: desktop-app
	run: npm run setup

	- name: Build desktop bundles
	working-directory: desktop-app
	run: npm run build

	- name: Stage release assets
	working-directory: desktop-app
	run: \|
	STAGING="release-assets"
	mkdir -p "$STAGING"

	# Publish every platform as a separate self-contained download.
	EXPECTED_BINARIES=(
	markdown-viewer-linux_arm64
	markdown-viewer-linux_armhf
	markdown-viewer-linux_x64
	markdown-viewer-mac_arm64
	markdown-viewer-mac_universal
	markdown-viewer-mac_x64
	markdown-viewer-win_x64.exe
	)
	for filename in "${EXPECTED_BINARIES[@]}"; do
	test -f "dist/markdown-viewer/$filename"
	cp "dist/markdown-viewer/$filename" "$STAGING/$filename"
	done

	# SHA256 checksums
	cd "$STAGING"
	sha256sum * > SHA256SUMS.txt

	- name: Create GitHub Release
	uses: softprops/action-gh-release@v2
	with:
	name: "Markdown Viewer ${{ github.ref_name }}"
	generate_release_notes: true
	files: desktop-app/release-assets/*

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