Migrate all CI/CD workflows to GitHub larger runners

.github/workflows/c.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest-4-cores, macos-latest-xlarge, windows-latest-8-cores]
 
     steps:
       - uses: actions/checkout@v4
@@ -59,7 +59,7 @@ jobs:
 
   memory-check:
     name: Memory Check (Valgrind)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/dotnet.yml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest-4-cores, windows-latest-8-cores, macos-latest-xlarge]
 
     steps:
       - uses: actions/checkout@v4
@@ -61,7 +61,7 @@ jobs:
 
   build:
     name: Build package
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: test
 
     steps:
@@ -94,7 +94,7 @@ jobs:
 
   publish:
     name: Publish to NuGet
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: build
     if: startsWith(github.ref, 'refs/tags/v')
     permissions:

.github/workflows/go.yml

@@ -19,7 +19,7 @@ on:
 jobs:
   test:
     name: Test Go ${{ matrix.go-version }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     strategy:
       fail-fast: false
       matrix:
@@ -57,7 +57,7 @@ jobs:
 
   lint:
     name: Lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/java-sdk.yml

@@ -27,13 +27,13 @@ jobs:
         # Test on multiple JDK versions for compatibility
         java-version: ['21', '25']
         # Primary OS is Linux, optionally test on Windows/macOS
-        os: [ubuntu-latest]
+        os: [ubuntu-latest-4-cores]
         include:
           # Also test on Windows with baseline JDK
-          - os: windows-latest
+          - os: windows-latest-8-cores
             java-version: '21'
           # Also test on macOS with baseline JDK
-          - os: macos-latest
+          - os: macos-latest-xlarge
             java-version: '21'
 
     defaults:
@@ -63,11 +63,11 @@ jobs:
         run: mvn -B package -DskipTests
 
       - name: Generate JaCoCo report
-        if: matrix.java-version == '21' && matrix.os == 'ubuntu-latest'
+        if: matrix.java-version == '21' && matrix.os == 'ubuntu-latest-4-cores'
         run: mvn -B jacoco:report
 
       - name: Upload coverage to Codecov
-        if: matrix.java-version == '21' && matrix.os == 'ubuntu-latest'
+        if: matrix.java-version == '21' && matrix.os == 'ubuntu-latest-4-cores'
         uses: codecov/codecov-action@v4
         with:
           files: java/target/site/jacoco/jacoco.xml
@@ -86,7 +86,7 @@ jobs:
       # Upload JAR only once (from baseline JDK build on Linux)
       # Java's "build once, run anywhere" means one JAR works on all JVMs
       - name: Upload JAR artifact
-        if: matrix.java-version == '21' && matrix.os == 'ubuntu-latest'
+        if: matrix.java-version == '21' && matrix.os == 'ubuntu-latest-4-cores'
         uses: actions/upload-artifact@v4
         with:
           name: json-structure-java-sdk
@@ -97,7 +97,7 @@ jobs:
           retention-days: 30
 
       - name: Upload sources JAR
-        if: matrix.java-version == '21' && matrix.os == 'ubuntu-latest'
+        if: matrix.java-version == '21' && matrix.os == 'ubuntu-latest-4-cores'
         uses: actions/upload-artifact@v4
         with:
           name: json-structure-java-sdk-sources
@@ -106,7 +106,7 @@ jobs:
           if-no-files-found: ignore
 
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
 
     defaults:
       run:
@@ -133,7 +133,7 @@ jobs:
 
   publish:
     name: Publish to Maven Central
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: [build, lint]
     if: startsWith(github.ref, 'refs/tags/v')
 

.github/workflows/jstruct-cli.yml

@@ -30,28 +30,28 @@ jobs:
         include:
           # Linux x86_64
           - target: x86_64-unknown-linux-gnu
-            os: ubuntu-latest
+            os: ubuntu-latest-4-cores
             artifact: jstruct
           # Linux ARM64
           - target: aarch64-unknown-linux-gnu
-            os: ubuntu-latest
+            os: ubuntu-latest-4-cores
             artifact: jstruct
             cross: true
           # Windows x86_64
           - target: x86_64-pc-windows-msvc
-            os: windows-latest
+            os: windows-latest-8-cores
             artifact: jstruct.exe
           # Windows ARM64
           - target: aarch64-pc-windows-msvc
-            os: windows-latest
+            os: windows-latest-8-cores
             artifact: jstruct.exe
           # macOS x86_64 (Intel)
           - target: x86_64-apple-darwin
-            os: macos-latest
+            os: macos-latest-xlarge
             artifact: jstruct
           # macOS ARM64 (Apple Silicon)
           - target: aarch64-apple-darwin
-            os: macos-latest
+            os: macos-latest-xlarge
             artifact: jstruct
 
     steps:
@@ -106,7 +106,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest-4-cores, windows-latest-8-cores, macos-latest-xlarge]
     steps:
       - uses: actions/checkout@v4
         with:
@@ -130,16 +130,16 @@ jobs:
         include:
           # Native tests (can run directly)
           - target: x86_64-unknown-linux-gnu
-            os: ubuntu-latest
+            os: ubuntu-latest-4-cores
             artifact: jstruct
           - target: x86_64-pc-windows-msvc
-            os: windows-latest
+            os: windows-latest-8-cores
             artifact: jstruct.exe
           - target: x86_64-apple-darwin
             os: macos-13
             artifact: jstruct
           - target: aarch64-apple-darwin
-            os: macos-latest
+            os: macos-latest-xlarge
             artifact: jstruct
 
     steps:
@@ -216,7 +216,7 @@ jobs:
   package-deb:
     name: Package DEB
     needs: build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
         arch: [amd64, arm64]
@@ -299,7 +299,7 @@ jobs:
   package-rpm:
     name: Package RPM
     needs: build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
         arch: [x86_64, aarch64]
@@ -378,7 +378,7 @@ jobs:
   package-msix:
     name: Package MSIX
     needs: build
-    runs-on: windows-latest
+    runs-on: windows-latest-8-cores
     strategy:
       matrix:
         arch: [x64, arm64]
@@ -514,7 +514,7 @@ jobs:
   package-macos:
     name: Package macOS
     needs: build
-    runs-on: macos-latest
+    runs-on: macos-latest-xlarge
     strategy:
       matrix:
         arch: [x86_64, arm64]
@@ -603,7 +603,7 @@ jobs:
   package-macos-universal:
     name: Package macOS Universal
     needs: build
-    runs-on: macos-latest
+    runs-on: macos-latest-xlarge
 
     steps:
       - uses: actions/checkout@v4
@@ -670,7 +670,7 @@ jobs:
   package-linux-tarball:
     name: Package Linux tarball
     needs: build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
         arch: [x86_64, aarch64]
@@ -716,7 +716,7 @@ jobs:
   package-windows-zip:
     name: Package Windows ZIP
     needs: build
-    runs-on: windows-latest
+    runs-on: windows-latest-8-cores
     strategy:
       matrix:
         arch: [x64, arm64]
@@ -770,7 +770,7 @@ jobs:
       - package-macos-universal
       - package-linux-tarball
       - package-windows-zip
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     if: startsWith(github.ref, 'refs/tags/jstruct-v')
     permissions:
       contents: write

.github/workflows/perl.yml

@@ -25,17 +25,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest-4-cores, macos-latest-xlarge, windows-latest-8-cores]
         perl-version: ['5.20', '5.26', '5.32', '5.38']
         json-backend: ['JSON::PP', 'Cpanel::JSON::XS']
         exclude:
           # Windows perl setup can be slow, test fewer versions
-          - os: windows-latest
+          - os: windows-latest-8-cores
             perl-version: '5.20'
-          - os: windows-latest
+          - os: windows-latest-8-cores
             perl-version: '5.26'
           # XS modules can be tricky on Windows, test only with PP
-          - os: windows-latest
+          - os: windows-latest-8-cores
             json-backend: 'Cpanel::JSON::XS'
 
     steps:
@@ -64,7 +64,7 @@ jobs:
           prove -l -v t/
 
       - name: Run tests with coverage
-        if: matrix.perl-version == '5.38' && matrix.os == 'ubuntu-latest'
+        if: matrix.perl-version == '5.38' && matrix.os == 'ubuntu-latest-4-cores'
         working-directory: perl
         run: |
           cpanm --notest Devel::Cover Devel::Cover::Report::Clover
@@ -74,7 +74,7 @@ jobs:
 
   lint:
     name: Perl Critic
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
 
     steps:
       - uses: actions/checkout@v4
@@ -97,7 +97,7 @@ jobs:
 
   build:
     name: Build distribution
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: test
 
     steps:
@@ -147,7 +147,7 @@ jobs:
   # This job prepares the distribution for upload
   prepare-cpan:
     name: Prepare for CPAN
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: build
     if: startsWith(github.ref, 'refs/tags/v')
 
@@ -218,7 +218,7 @@ jobs:
   # Requires PAUSE_USERNAME and PAUSE_PASSWORD secrets to be set
   publish-cpan:
     name: Publish to CPAN
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: prepare-cpan
     if: startsWith(github.ref, 'refs/tags/v')
     environment: cpan  # Use a protected environment for secrets

.github/workflows/php.yml

@@ -20,7 +20,7 @@ permissions:
 jobs:
   test:
     name: Test PHP ${{ matrix.php-version }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     strategy:
       fail-fast: false
       matrix:

.github/workflows/publish-vscode.yml

@@ -30,7 +30,7 @@ permissions:
 jobs:
   # Build and test job
   build-and-test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     # Only run if:
     # - manually triggered (workflow_dispatch)
     # - TypeScript SDK workflow succeeded (workflow_run)
@@ -135,7 +135,7 @@ jobs:
 
   # Publish job - runs after successful build for tag-triggered events or manual dispatch
   publish:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: [build-and-test]
     # Publish on workflow_run (TypeScript SDK completed), direct tag push, or manual dispatch (unless dry-run)
     if: |

.github/workflows/python.yml

@@ -19,7 +19,7 @@ on:
 jobs:
   test:
     name: Test Python ${{ matrix.python-version }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     strategy:
       fail-fast: false
       matrix:
@@ -56,7 +56,7 @@ jobs:
 
   build:
     name: Build package
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: test
 
     steps:
@@ -86,7 +86,7 @@ jobs:
 
   publish:
     name: Publish to PyPI
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     needs: build
     if: startsWith(github.ref, 'refs/tags/v')