Rewrite rodio to pure JNI under dev.nucleusframework.rodio; drop souvlaki

.github/workflows/build-natives.yaml

@@ -0,0 +1,71 @@
+name: Build Native Libraries
+
+on:
+  workflow_call:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: ${{ matrix.target }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: macos-latest
+            target: aarch64-apple-darwin
+            resource_dir: darwin-aarch64
+            lib: libnucleus_rodio.dylib
+          - os: macos-15-intel
+            target: x86_64-apple-darwin
+            resource_dir: darwin-x64
+            lib: libnucleus_rodio.dylib
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            resource_dir: linux-x64
+            lib: libnucleus_rodio.so
+          - os: ubuntu-24.04-arm
+            target: aarch64-unknown-linux-gnu
+            resource_dir: linux-aarch64
+            lib: libnucleus_rodio.so
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            resource_dir: win32-x64
+            lib: nucleus_rodio.dll
+          - os: windows-11-arm
+            target: aarch64-pc-windows-msvc
+            resource_dir: win32-aarch64
+            lib: nucleus_rodio.dll
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Linux audio dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends libasound2-dev pkg-config
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+
+      - name: Build nucleus_rodio
+        working-directory: rodio/src/main/native
+        run: cargo build --release --target ${{ matrix.target }}
+
+      - name: Stage native into resources
+        shell: bash
+        run: |
+          mkdir -p "rodio/src/main/resources/nucleus/native/${{ matrix.resource_dir }}"
+          cp "rodio/src/main/native/target/${{ matrix.target }}/release/${{ matrix.lib }}" \
+             "rodio/src/main/resources/nucleus/native/${{ matrix.resource_dir }}/${{ matrix.lib }}"
+          ls -lh "rodio/src/main/resources/nucleus/native/${{ matrix.resource_dir }}/${{ matrix.lib }}"
+
+      - name: Upload native library
+        uses: actions/upload-artifact@v4
+        with:
+          name: native-${{ matrix.resource_dir }}
+          path: rodio/src/main/resources/nucleus/native/${{ matrix.resource_dir }}/${{ matrix.lib }}
+          retention-days: 1

.github/workflows/pre-merge.yaml

@@ -0,0 +1,44 @@
+name: Pre-merge smoke
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  smoke:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # Build the host native only (the per-platform build scripts handle
+        # cross-arch in CI via build-natives.yaml). compileKotlin + the sample
+        # JVM target is enough to catch Kotlin/JNI wiring regressions.
+        os: [macos-latest, ubuntu-latest, windows-latest]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Linux audio dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends libasound2-dev pkg-config
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          java-version: "17"
+          distribution: "temurin"
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Make Gradle wrapper executable
+        if: runner.os != 'Windows'
+        run: chmod +x gradlew
+
+      - name: Compile Kotlin (builds host native via processResources)
+        run: ./gradlew :rodio:compileKotlin --no-configuration-cache