Add automated release builds and CI validation for Linux and macOS

.github/workflows/ci-build.yml

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+name: CI Build
+
+on:
+  pull_request:
+    branches: [ main, master ]
+  push:
+    branches: [ main, master ]
+    paths:
+      - "src/**"
+      - "pom.xml"
+      - ".github/workflows/ci-build.yml"
+      - "run.sh"
+
+jobs:
+  build-linux:
+    name: Build and Test - Linux (amd64)
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up GraalVM
+        uses: graalvm/setup-graalvm@v1
+        with:
+          java-version: '21'
+          distribution: 'graalvm'
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          cache: 'maven'
+
+      - name: Build with Maven
+        run: mvn -B clean package --file pom.xml
+
+      - name: Verify JAR was created
+        run: |
+          if [ ! -f target/SpriteLab.jar ]; then
+            echo "Error: SpriteLab.jar was not created"
+            exit 1
+          fi
+          echo "Build successful: SpriteLab.jar created"
+          ls -lh target/SpriteLab.jar
+
+      - name: Download FFmpeg for Linux
+        run: |
+          mkdir -p staging/bin
+          wget -O ffmpeg.tar.xz https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz
+          tar -xf ffmpeg.tar.xz
+          mv ffmpeg-*-amd64-static/ffmpeg staging/bin/ffmpeg
+          chmod +x staging/bin/ffmpeg
+          rm -rf ffmpeg.tar.xz ffmpeg-*-amd64-static
+
+      - name: Verify FFmpeg
+        run: |
+          if [ ! -f staging/bin/ffmpeg ]; then
+            echo "Error: FFmpeg binary not found"
+            exit 1
+          fi
+          ./staging/bin/ffmpeg -version | head -1
+
+      - name: Copy artifacts
+        run: |
+          cp target/SpriteLab.jar staging/SpriteLab-linux-amd64.jar
+          cp run.sh staging/ || true
+          cp README.md staging/ || cp Readme.md staging/ || true
+          cp LICENSE staging/ || true
+
+      - name: Create test package
+        run: |
+          cd staging
+          tar -czf SpriteLab-Linux-amd64.tar.gz *
+          mv SpriteLab-Linux-amd64.tar.gz ..
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: SpriteLab-Linux-amd64
+          path: SpriteLab-Linux-amd64.tar.gz
+          retention-days: 7
+
+      - name: Clean staging
+        run: rm -fr staging
+
+  build-macos:
+    name: Build and Test - macOS (arm64)
+    runs-on: macos-14  # macOS 14 runs on Apple Silicon (arm64)
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up GraalVM
+        uses: graalvm/setup-graalvm@v1
+        with:
+          java-version: '21'
+          distribution: 'graalvm'
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          cache: 'maven'
+
+      - name: Build with Maven
+        run: mvn -B clean package --file pom.xml
+
+      - name: Verify JAR was created
+        run: |
+          if [ ! -f target/SpriteLab.jar ]; then
+            echo "Error: SpriteLab.jar was not created"
+            exit 1
+          fi
+          echo "Build successful: SpriteLab.jar created"
+          ls -lh target/SpriteLab.jar
+
+      - name: Download FFmpeg for macOS ARM64
+        run: |
+          mkdir -p staging/bin
+          # Download FFmpeg static build for macOS ARM64
+          curl -L -o ffmpeg.zip https://evermeet.cx/ffmpeg/getrelease/ffmpeg/zip
+          unzip -j ffmpeg.zip -d staging/bin/
+          chmod +x staging/bin/ffmpeg
+          rm ffmpeg.zip
+
+      - name: Verify FFmpeg
+        run: |
+          if [ ! -f staging/bin/ffmpeg ]; then
+            echo "Error: FFmpeg binary not found"
+            exit 1
+          fi
+          ./staging/bin/ffmpeg -version | head -1
+
+      - name: Copy artifacts
+        run: |
+          cp target/SpriteLab.jar staging/SpriteLab-macos-arm64.jar
+          cp run.sh staging/ || true
+          cp README.md staging/ || cp Readme.md staging/ || true
+          cp LICENSE staging/ || true
+
+      - name: Create test package
+        run: |
+          cd staging
+          tar -czf SpriteLab-macOS-arm64.tar.gz *
+          mv SpriteLab-macOS-arm64.tar.gz ..
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: SpriteLab-macOS-arm64
+          path: SpriteLab-macOS-arm64.tar.gz
+          retention-days: 7
+
+      - name: Clean staging
+        run: rm -fr staging

.github/workflows/release-builds.yml

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+name: Release Builds
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build-linux:
+    name: Build Linux (amd64)
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write  # Required to upload release assets
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up GraalVM
+        uses: graalvm/setup-graalvm@v1
+        with:
+          java-version: '21'
+          distribution: 'graalvm'
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          native-image-job-reports: 'true'
+          cache: 'maven'
+
+      - name: Build with Maven
+        run: mvn -B clean package --file pom.xml
+
+      - name: Download FFmpeg for Linux
+        run: |
+          mkdir -p staging/bin
+          wget -O ffmpeg.tar.xz https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz
+          tar -xf ffmpeg.tar.xz
+          mv ffmpeg-*-amd64-static/ffmpeg staging/bin/ffmpeg
+          chmod +x staging/bin/ffmpeg
+          rm -rf ffmpeg.tar.xz ffmpeg-*-amd64-static
+
+      - name: Copy artifacts
+        run: |
+          cp target/SpriteLab.jar staging/SpriteLab-linux-amd64.jar
+          cp run.sh staging/ || true
+          cp README.md staging/ || cp Readme.md staging/ || true
+          cp LICENSE staging/ || true
+
+      - name: Create release package
+        run: |
+          cd staging
+          tar -czf SpriteLab-Linux-amd64.tar.gz *
+          mv SpriteLab-Linux-amd64.tar.gz ..
+
+      - name: Upload release asset
+        uses: softprops/action-gh-release@v2
+        with:
+          files: SpriteLab-Linux-amd64.tar.gz
+
+      - name: Clean staging
+        run: rm -fr staging
+
+  build-macos:
+    name: Build macOS (arm64)
+    runs-on: macos-14  # macOS 14 runs on Apple Silicon (arm64)
+    permissions:
+      contents: write  # Required to upload release assets
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up GraalVM
+        uses: graalvm/setup-graalvm@v1
+        with:
+          java-version: '21'
+          distribution: 'graalvm'
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          native-image-job-reports: 'true'
+          cache: 'maven'
+
+      - name: Build with Maven
+        run: mvn -B clean package --file pom.xml
+
+      - name: Download FFmpeg for macOS ARM64
+        run: |
+          mkdir -p staging/bin
+          # Download FFmpeg static build for macOS ARM64
+          wget -O ffmpeg.zip https://evermeet.cx/ffmpeg/getrelease/ffmpeg/zip
+          unzip -j ffmpeg.zip -d staging/bin/
+          chmod +x staging/bin/ffmpeg
+          rm ffmpeg.zip
+
+      - name: Copy artifacts
+        run: |
+          cp target/SpriteLab.jar staging/SpriteLab-macos-arm64.jar
+          cp run.sh staging/ || true
+          cp README.md staging/ || cp Readme.md staging/ || true
+          cp LICENSE staging/ || true
+
+      - name: Create release package
+        run: |
+          cd staging
+          tar -czf SpriteLab-macOS-arm64.tar.gz *
+          mv SpriteLab-macOS-arm64.tar.gz ..
+
+      - name: Upload release asset
+        uses: softprops/action-gh-release@v2
+        with:
+          files: SpriteLab-macOS-arm64.tar.gz
+
+      - name: Clean staging
+        run: rm -fr staging

run.sh

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+#!/bin/bash
+# Launch script for SpriteLab on Linux/macOS
+
+# Get the directory where this script is located
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# Check if Java is installed
+if ! command -v java &> /dev/null; then
+    echo "Error: Java is not installed or not in PATH."
+    echo "Please install Java 21 or higher to run SpriteLab."
+    exit 1
+fi
+
+# Check if the JAR file exists
+if [ ! -f "$SCRIPT_DIR/SpriteLab.jar" ]; then
+    echo "Error: SpriteLab.jar not found in $SCRIPT_DIR"
+    exit 1
+fi
+
+# Check if FFmpeg binary exists
+if [ ! -f "$SCRIPT_DIR/bin/ffmpeg" ]; then
+    echo "Warning: FFmpeg binary not found in $SCRIPT_DIR/bin/"
+    echo "SpriteLab requires FFmpeg to function properly."
+fi
+
+# Run SpriteLab with the correct Java version
+java -jar "$SCRIPT_DIR/SpriteLab.jar"
+