Build and release management

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{kts,kt}]
+indent_size = 4
+
+[*.{yaml,yml,toml,json,md}]
+indent_size = 2
+
+[*.java]
+indent_size = 4
+
+[gradlew.bat]
+end_of_line = crlf

.github/workflows/ci.yaml

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+name: Kaleido Workflow Engine Java SDK CI
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  sdk:
+    name: Build & Test (SDK)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Validate Gradle wrapper
+        uses: gradle/actions/wrapper-validation@v6
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v5
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v6
+
+      - name: Build & test
+        run: ./gradlew build
+
+      - name: Publish to Maven Local
+        run: ./gradlew publishToMavenLocal

.github/workflows/codeql.yaml

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+name: CodeQL
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+permissions:
+  security-events: write
+  actions: read
+  contents: read
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Set up JDK
+        uses: actions/setup-java@v5
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v4
+        with:
+          languages: java
+
+      - name: Build
+        run: ./gradlew build -x test
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v4

.github/workflows/release.yaml

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+name: Kaleido Workflow Engine Java SDK Release
+
+permissions:
+  contents: write
+  packages: write
+
+on:
+  workflow_call:
+    inputs:
+      ref:
+        description: 'Commit ref for checkout'
+        required: false
+        type: string
+        default: ''
+      sdk_version:
+        description: 'The version to publish (e.g. v1.0.0)'
+        required: true
+        type: string
+      prerelease:
+        description: 'Mark the GitHub Release as a prerelease'
+        required: false
+        type: boolean
+        default: false
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: 'Commit ref for checkout'
+        required: false
+        type: string
+        default: ''
+      sdk_version:
+        description: 'The version to publish (e.g. v1.0.0)'
+        required: true
+        type: string
+      prerelease:
+        description: 'Mark the GitHub Release as a prerelease'
+        required: false
+        type: boolean
+        default: false
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          ref: ${{ inputs.ref != '' && inputs.ref || github.ref }}
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v5
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v6
+
+      - name: Prepare clean version number
+        id: version
+        shell: bash
+        run: |
+          echo "clean_version=$(echo "${{ inputs.sdk_version }}" | sed 's/^v//')" >> "$GITHUB_OUTPUT"
+
+      - name: Build and test
+        run: ./gradlew build -PsdkVersion=${{ steps.version.outputs.clean_version }}
+
+      - name: Publish Maven artifacts to GitHub Packages
+        run: ./gradlew publish -PsdkVersion=${{ steps.version.outputs.clean_version }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_ACTOR: ${{ github.actor }}
+
+      - name: Generate Javadoc
+        run: ./gradlew javadoc -PsdkVersion=${{ steps.version.outputs.clean_version }}
+
+      - name: Publish Javadoc to gh-pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./workflow-engine-sdk/build/docs/javadoc
+          destination_dir: docs/${{ steps.version.outputs.clean_version }}
+          keep_files: true
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v3
+        with:
+          tag_name: v${{ steps.version.outputs.clean_version }}
+          generate_release_notes: true
+          prerelease: ${{ inputs.prerelease }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

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+# Gradle
+.gradle/
+build/
+!gradle/wrapper/gradle-wrapper.jar
+
+# IDE
+.idea/
+*.iml
+*.ipr
+*.iws
+.vscode/
+.settings/
+.classpath
+.project
+.factorypath
+out/
+
+# macOS
+.DS_Store
+
+# Logs
+*.log
+
+# Native image build output
+**/native/nativeCompile/
+
+# Maven local publish artifacts (testing)
+local-repo/