Add stegasoo-api AUR package

New package in aur-api/ for API-only installation:
- Installs [api,cli,compression] extras
- Has fastapi/uvicorn for REST API
- No flask/gunicorn (web UI deps)
- 74MB package size
- Systemd service with TLS enabled by default

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

aur-api/PKGBUILD

@@ -0,0 +1,109 @@
+# Maintainer: Aaron D. Lee <your-email@example.com>
+pkgname=stegasoo-api-git
+pkgver=4.2.0.r6.g34ede38
+pkgrel=1
+pkgdesc="Stegasoo REST API with TLS and API key authentication"
+arch=('x86_64')
+url="https://github.com/adlee-was-taken/stegasoo"
+license=('MIT')
+
+# Python 3.11-3.14 supported
+depends=(
+    'python>=3.11'
+    'zbar'  # QR code reading for RSA key extraction
+)
+makedepends=(
+    'git'
+    'python'
+    'python-build'
+    'python-hatchling'
+)
+optdepends=(
+    'libjpeg-turbo: jpegtran for lossless JPEG rotation (DCT-safe)'
+)
+provides=('stegasoo-api')
+conflicts=('stegasoo-api' 'stegasoo' 'stegasoo-git')
+install=stegasoo-api-git.install
+source=("${pkgname}::git+https://github.com/adlee-was-taken/stegasoo.git#branch=main")
+sha256sums=('SKIP')
+
+pkgver() {
+    cd "$pkgname"
+    git describe --long --tags 2>/dev/null | sed 's/^v//;s/\([^-]*-g\)/r\1/;s/-/./g' || \
+    printf "%s.r%s.g%s" "4.2.1" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+}
+
+build() {
+    cd "$pkgname"
+    python -m build --wheel --no-isolation
+}
+
+package() {
+    cd "$pkgname"
+
+    # Detect Python version for site-packages path
+    local pyver=$(python -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")')
+
+    # Install to /opt/stegasoo-api with dedicated venv
+    install -dm755 "$pkgdir/opt/stegasoo-api"
+
+    # Create fresh venv in package
+    python -m venv "$pkgdir/opt/stegasoo-api/venv"
+
+    # Install the wheel with API + CLI + compression extras
+    local wheel=$(ls dist/*.whl | head -1)
+    "$pkgdir/opt/stegasoo-api/venv/bin/pip" install --no-cache-dir "${wheel}[api,cli,compression]"
+
+    # Install API frontend (not included in wheel by default)
+    local site_packages="$pkgdir/opt/stegasoo-api/venv/lib/python${pyver}/site-packages"
+    install -dm755 "$site_packages/frontends/api"
+    cp -r frontends/api/*.py "$site_packages/frontends/api/"
+    cp -r frontends/__init__.py "$site_packages/frontends/" 2>/dev/null || true
+
+    # Create temp directory for API
+    install -dm755 "$site_packages/frontends/api/temp_files"
+
+    # Create config directories
+    install -dm755 "$pkgdir/opt/stegasoo-api/config"
+    install -dm700 "$pkgdir/opt/stegasoo-api/certs"
+
+    # Fix shebangs - replace build-time paths with installed paths
+    find "$pkgdir/opt/stegasoo-api/venv/bin" -type f -exec \
+        sed -i "s|$pkgdir/opt/stegasoo-api/venv|/opt/stegasoo-api/venv|g" {} \;
+
+    # Fix pyvenv.cfg
+    sed -i "s|$pkgdir||g" "$pkgdir/opt/stegasoo-api/venv/pyvenv.cfg"
+
+    # Create symlink to /usr/bin
+    install -dm755 "$pkgdir/usr/bin"
+    ln -s /opt/stegasoo-api/venv/bin/stegasoo "$pkgdir/usr/bin/stegasoo"
+
+    # Install license
+    install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+
+    # Install docs
+    install -Dm644 README.md "$pkgdir/usr/share/doc/$pkgname/README.md"
+
+    # Install systemd service
+    install -Dm644 /dev/stdin "$pkgdir/usr/lib/systemd/system/stegasoo-api.service" <<EOF
+[Unit]
+Description=Stegasoo REST API (HTTPS)
+After=network.target
+
+[Service]
+Type=simple
+User=stegasoo
+WorkingDirectory=/opt/stegasoo-api/venv/lib/python${pyver}/site-packages/frontends/api
+Environment="PATH=/opt/stegasoo-api/venv/bin"
+Environment="HOME=/opt/stegasoo-api"
+# TLS enabled by default - certs auto-generated on first run
+# Use: stegasoo api tls generate (to pre-generate certs)
+# Use: stegasoo api keys create <name> (to create API keys)
+ExecStart=/opt/stegasoo-api/venv/bin/stegasoo api serve --host 127.0.0.1 --port 8000
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+}