Update PKGBUILD versions and add AUR test scripts

- Update pkgver fallback to 4.2.1 in all PKGBUILDs
- Add test-aur-build.sh for Docker-based testing
- Add test-aur-nspawn.sh for systemd-nspawn testing

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

aur-api/PKGBUILD

@@ -1,6 +1,6 @@
 # Maintainer: Aaron D. Lee <your-email@example.com>
 pkgname=stegasoo-api-git
-pkgver=4.2.0.r6.g34ede38
+pkgver=4.2.1
 pkgrel=1
 pkgdesc="Stegasoo REST API with TLS and API key authentication"
 arch=('x86_64')

aur-cli/PKGBUILD

@@ -1,6 +1,6 @@
 # Maintainer: Aaron D. Lee <your-email@example.com>
 pkgname=stegasoo-cli-git
-pkgver=4.2.0.r4.g525bcec
+pkgver=4.2.1
 pkgrel=1
 pkgdesc="Secure steganography CLI with hybrid photo + passphrase + PIN authentication"
 arch=('x86_64')

aur/PKGBUILD

@@ -1,6 +1,6 @@
 # Maintainer: Aaron D. Lee <your-email@example.com>
 pkgname=stegasoo-git
-pkgver=4.2.0.r0.g2ebc42f
+pkgver=4.2.1
 pkgrel=1
 pkgdesc="Secure steganography with hybrid photo + passphrase + PIN authentication"
 arch=('x86_64')

test-aur-build.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+# Test AUR package builds in a clean Arch container
+#
+# Usage: sudo ./test-aur-build.sh [package]
+#   package: all (default), full, cli, api
+
+set -e
+
+PACKAGE="${1:-all}"
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+
+echo "=== Stegasoo AUR Build Test ==="
+echo "Package: $PACKAGE"
+echo ""
+
+# Create a test script to run inside container
+cat > /tmp/aur-build-test.sh << 'INNERSCRIPT'
+#!/bin/bash
+set -e
+
+# Update system
+pacman -Syu --noconfirm
+
+# Install build dependencies
+pacman -S --noconfirm --needed \
+    base-devel git python python-build python-hatchling \
+    zbar
+
+# Create build user (makepkg won't run as root)
+useradd -m builder
+echo "builder ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
+
+# Copy source to build location
+cp -r /src /home/builder/stegasoo
+chown -R builder:builder /home/builder/stegasoo
+
+build_package() {
+    local pkg_dir="$1"
+    local pkg_name="$2"
+
+    echo ""
+    echo "=========================================="
+    echo "Building: $pkg_name"
+    echo "=========================================="
+
+    cd "/home/builder/stegasoo/$pkg_dir"
+
+    # Build as non-root user
+    sudo -u builder makepkg -sf --noconfirm
+
+    # Show result
+    ls -lh *.pkg.tar.zst
+
+    # Test install
+    echo "Installing $pkg_name..."
+    pacman -U --noconfirm *.pkg.tar.zst
+
+    # Quick test
+    echo "Testing $pkg_name..."
+    stegasoo --version
+    stegasoo --help | head -20
+
+    # Uninstall for next test
+    pacman -R --noconfirm "${pkg_name%-git}" 2>/dev/null || pacman -R --noconfirm "$pkg_name" 2>/dev/null || true
+
+    echo "$pkg_name: SUCCESS"
+}
+
+case "$1" in
+    full)
+        build_package "aur" "stegasoo-git"
+        ;;
+    cli)
+        build_package "aur-cli" "stegasoo-cli-git"
+        ;;
+    api)
+        build_package "aur-api" "stegasoo-api-git"
+        ;;
+    all)
+        build_package "aur" "stegasoo-git"
+        build_package "aur-cli" "stegasoo-cli-git"
+        build_package "aur-api" "stegasoo-api-git"
+        ;;
+    *)
+        echo "Unknown package: $1"
+        exit 1
+        ;;
+esac
+
+echo ""
+echo "=========================================="
+echo "All builds completed successfully!"
+echo "=========================================="
+INNERSCRIPT
+
+chmod +x /tmp/aur-build-test.sh
+
+# Run in Arch container
+echo "Starting Arch container..."
+docker run --rm -it \
+    -v "$SCRIPT_DIR:/src:ro" \
+    -v "/tmp/aur-build-test.sh:/build.sh:ro" \
+    archlinux:latest \
+    /bin/bash -c "chmod +x /build.sh && /build.sh $PACKAGE"
+
+echo ""
+echo "=== Build test complete ==="

test-aur-nspawn.sh

@@ -0,0 +1,130 @@
+#!/bin/bash
+# Test AUR package builds using systemd-nspawn
+#
+# Usage: sudo ./test-aur-nspawn.sh [package]
+#   package: all (default), full, cli, api
+#
+# First run creates Arch root at /tmp/arch-build-root
+
+set -e
+
+PACKAGE="${1:-all}"
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+ARCH_ROOT="/tmp/arch-build-root"
+
+echo "=== Stegasoo AUR Build Test (nspawn) ==="
+echo "Package: $PACKAGE"
+echo "Arch root: $ARCH_ROOT"
+echo ""
+
+# Check for root
+if [ "$EUID" -ne 0 ]; then
+    echo "Please run as root (sudo)"
+    exit 1
+fi
+
+# Create Arch root if it doesn't exist
+if [ ! -d "$ARCH_ROOT/usr" ]; then
+    echo "Creating Arch root (first time setup)..."
+    mkdir -p "$ARCH_ROOT"
+    pacstrap -c "$ARCH_ROOT" base base-devel git python python-build python-hatchling zbar
+    echo "Arch root created."
+else
+    echo "Using existing Arch root."
+    # Update packages
+    arch-chroot "$ARCH_ROOT" pacman -Syu --noconfirm
+fi
+
+# Create build user if needed
+if ! arch-chroot "$ARCH_ROOT" id builder &>/dev/null; then
+    arch-chroot "$ARCH_ROOT" useradd -m builder
+    echo "builder ALL=(ALL) NOPASSWD: ALL" >> "$ARCH_ROOT/etc/sudoers"
+fi
+
+# Copy source
+rm -rf "$ARCH_ROOT/home/builder/stegasoo"
+cp -r "$SCRIPT_DIR" "$ARCH_ROOT/home/builder/stegasoo"
+arch-chroot "$ARCH_ROOT" chown -R builder:builder /home/builder/stegasoo
+
+# Create build script
+cat > "$ARCH_ROOT/tmp/build.sh" << 'BUILDSCRIPT'
+#!/bin/bash
+set -e
+
+build_package() {
+    local pkg_dir="$1"
+    local pkg_name="$2"
+
+    echo ""
+    echo "=========================================="
+    echo "Building: $pkg_name"
+    echo "=========================================="
+
+    cd "/home/builder/stegasoo/$pkg_dir"
+
+    # Clean previous builds
+    rm -rf src pkg *.pkg.tar.zst "${pkg_name}" 2>/dev/null || true
+
+    # Build as non-root user
+    sudo -u builder makepkg -sf --noconfirm
+
+    # Show result
+    ls -lh *.pkg.tar.zst
+
+    # Test install
+    echo "Installing $pkg_name..."
+    pacman -U --noconfirm *.pkg.tar.zst
+
+    # Quick test
+    echo "Testing $pkg_name..."
+    /usr/bin/stegasoo --version
+
+    # More tests for API package
+    if [[ "$pkg_name" == *"api"* ]]; then
+        /usr/bin/stegasoo api --help
+        /usr/bin/stegasoo api keys list
+    fi
+
+    # Uninstall for next test
+    pacman -Rns --noconfirm $(pacman -Qq | grep stegasoo) 2>/dev/null || true
+
+    echo "$pkg_name: SUCCESS"
+}
+
+case "$1" in
+    full)
+        build_package "aur" "stegasoo-git"
+        ;;
+    cli)
+        build_package "aur-cli" "stegasoo-cli-git"
+        ;;
+    api)
+        build_package "aur-api" "stegasoo-api-git"
+        ;;
+    all)
+        build_package "aur-cli" "stegasoo-cli-git"
+        build_package "aur-api" "stegasoo-api-git"
+        build_package "aur" "stegasoo-git"
+        ;;
+    *)
+        echo "Unknown package: $1"
+        exit 1
+        ;;
+esac
+
+echo ""
+echo "=========================================="
+echo "All builds completed successfully!"
+echo "=========================================="
+BUILDSCRIPT
+
+chmod +x "$ARCH_ROOT/tmp/build.sh"
+
+# Run build in nspawn container
+echo "Starting nspawn container..."
+systemd-nspawn -D "$ARCH_ROOT" --bind-ro="$SCRIPT_DIR:/home/builder/stegasoo" /tmp/build.sh "$PACKAGE"
+
+echo ""
+echo "=== Build test complete ==="
+echo "Arch root preserved at: $ARCH_ROOT"
+echo "To clean up: sudo rm -rf $ARCH_ROOT"