ci: cross-build macOS x64 on Apple-Silicon runner (avoid scarce macos-13)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.github/workflows/release.yml

@@ -24,16 +24,19 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { os: ubuntu-22.04,      label: linux-x64,    ext: tar.gz }
-          - { os: ubuntu-24.04-arm,  label: linux-arm64,  ext: tar.gz }
-          - { os: macos-13,          label: macos-x64,    ext: tar.gz }
-          - { os: macos-14,          label: macos-arm64,  ext: tar.gz }
-          - { os: windows-latest,    label: windows-x64,  ext: zip }
+          - { os: ubuntu-22.04,      label: linux-x64,    ext: tar.gz, target: "" }
+          - { os: ubuntu-24.04-arm,  label: linux-arm64,  ext: tar.gz, target: "" }
+          # macOS x64 is cross-built on an Apple-Silicon runner (no scarce Intel runner).
+          - { os: macos-14,          label: macos-x64,    ext: tar.gz, target: x86_64-apple-darwin }
+          - { os: macos-14,          label: macos-arm64,  ext: tar.gz, target: "" }
+          - { os: windows-latest,    label: windows-x64,  ext: zip,    target: "" }
     steps:
       - uses: actions/checkout@v4
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
 
       - name: Cache cargo
         uses: actions/cache@v4
@@ -46,7 +49,13 @@ jobs:
 
       - name: Build (release)
         working-directory: neurosploit-rs
-        run: cargo build --release
+        shell: bash
+        run: |
+          if [ -n "${{ matrix.target }}" ]; then
+            cargo build --release --target "${{ matrix.target }}"
+          else
+            cargo build --release
+          fi
 
       - name: Resolve tag
         id: tag
@@ -68,11 +77,13 @@ jobs:
             ./neurosploit run http://testphp.vulnweb.com/ --model anthropic:claude-opus-4-8 -v
           Or set NEUROSPLOIT_BASE to this folder and run neurosploit from anywhere.
           EOF
+          BINDIR="neurosploit-rs/target/release"
+          if [ -n "${{ matrix.target }}" ]; then BINDIR="neurosploit-rs/target/${{ matrix.target }}/release"; fi
           if [ "${{ runner.os }}" = "Windows" ]; then
-            cp neurosploit-rs/target/release/neurosploit.exe "dist/$NAME/"
+            cp "$BINDIR/neurosploit.exe" "dist/$NAME/"
             (cd dist && 7z a "${NAME}.zip" "$NAME" >/dev/null)
           else
-            cp neurosploit-rs/target/release/neurosploit "dist/$NAME/"
+            cp "$BINDIR/neurosploit" "dist/$NAME/"
             (cd dist && tar -czf "${NAME}.tar.gz" "$NAME")
           fi