optimize github workflow cache space

.github/actions/cache-gradle/action.yml

@@ -7,7 +7,9 @@ inputs:
     description: Paths to cache
     required: false
     default: |
-      ~/.gradle/caches
+      ~/.gradle/caches/modules-*
+      ~/.gradle/caches/jars-*
+      ~/.gradle/caches/build-cache-*
       ~/.gradle/wrapper
   cache-version:
     description: Additional cache version segment

.github/actions/cleanup-gradle-artifacts/action.yml

@@ -0,0 +1,23 @@
+name: Clean Up Gradle Artifacts
+
+description: Clean up unnecessary Gradle build artifacts to save disk space and reduce cache size.
+
+runs:
+  using: "composite"
+  steps:
+    - name: Clean up Gradle build artifacts
+      shell: bash
+      run: |
+        echo "Cleaning up unnecessary build artifacts to save disk space..."
+        # Remove build outputs (APK/AAB already tested, no need to cache them)
+        # Find all Android build directories and clean up intermediates and tmp
+        find . -type d -path "*/android/app/build/intermediates" -exec rm -rf {} + 2>/dev/null || true
+        find . -type d -path "*/android/app/build/tmp" -exec rm -rf {} + 2>/dev/null || true
+        # Clean up Gradle daemon logs and lock files
+        rm -rf ~/.gradle/daemon
+        rm -rf ~/.gradle/*.lock
+        # Remove large cache files that aren't needed for subsequent builds
+        find ~/.gradle/caches -name "*.lock" -delete 2>/dev/null || true
+        find ~/.gradle/caches -type f -name "gc.properties" -delete 2>/dev/null || true
+        echo "Disk usage after cleanup:"
+        df -h

.github/actions/free-disk-space/action.yml

@@ -0,0 +1,20 @@
+name: Free Disk Space
+
+description: Free up disk space on GitHub Actions runners by removing unnecessary pre-installed tools.
+
+runs:
+  using: "composite"
+  steps:
+    - name: Free up disk space
+      shell: bash
+      run: |
+        echo "Disk usage before cleanup:"
+        df -h
+        # Remove unnecessary pre-installed tools to free up space
+        # These are commonly available on GitHub runners but not needed for most builds
+        sudo rm -rf /usr/share/dotnet
+        sudo rm -rf /opt/ghc
+        sudo rm -rf /usr/local/share/boost
+        sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+        echo "Disk usage after cleanup:"
+        df -h

.github/workflows/mobile-ci.yml

@@ -419,6 +419,8 @@ jobs:
             node_modules
             app/node_modules
           cache-version: ${{ env.GH_CACHE_VERSION }}-${{ env.NODE_VERSION_SANITIZED }}
+      - name: Free up disk space
+        uses: ./.github/actions/free-disk-space
       - name: Cache Gradle
         uses: ./.github/actions/cache-gradle
         with:
@@ -459,3 +461,5 @@ jobs:
       - name: Build Android (with AAPT2 symlink fix)
         run: yarn android:ci
         working-directory: ./app
+      - name: Clean up Gradle build artifacts
+        uses: ./.github/actions/cleanup-gradle-artifacts

.github/workflows/mobile-deploy.yml

@@ -836,6 +836,8 @@ jobs:
           project_id: "plucky-tempo-454713-r0"
           workload_identity_provider: "projects/852920390127/locations/global/workloadIdentityPools/gh-self/providers/github-by-repos"
           service_account: "[email protected]"
+      - name: Free up disk space
+        uses: ./.github/actions/free-disk-space
       # Fail fast: set up JDK for keytool and verify Android secrets early
       - name: Setup Java environment
         if: inputs.platform != 'ios'
@@ -1178,6 +1180,10 @@ jobs:
 
           echo "✅ Android build output verification passed"
 
+      - name: Clean up Gradle build artifacts
+        if: inputs.platform != 'ios'
+        uses: ./.github/actions/cleanup-gradle-artifacts
+
       - name: Upload to Google Play Store using WIF
         if: inputs.platform != 'ios' && inputs.test_mode != true
         timeout-minutes: 10

.github/workflows/mobile-e2e.yml

@@ -92,6 +92,8 @@ jobs:
       - name: Add Maestro to path
         if: false # Skip for build-only test - keep logic for future E2E
         run: echo "$HOME/.maestro/bin" >> "$GITHUB_PATH"
+      - name: Free up disk space
+        uses: ./.github/actions/free-disk-space
       - name: Setup Java environment
         uses: actions/setup-java@v4
         with:
@@ -121,6 +123,8 @@ jobs:
           chmod +x app/android/gradlew
           (cd app/android && ./gradlew assembleDebug --quiet --parallel --build-cache --no-configuration-cache) || { echo "❌ Android build failed"; exit 1; }
           echo "✅ Android build succeeded"
+      - name: Clean up Gradle build artifacts
+        uses: ./.github/actions/cleanup-gradle-artifacts
       - name: Verify APK and android-passport-nfc-reader integration
         run: |
           echo "🔍 Verifying build artifacts..."

.github/workflows/mobile-sdk-demo-e2e.yml

@@ -92,6 +92,8 @@ jobs:
       - name: Add Maestro to path
         if: false # Skip for build-only test - keep logic for future E2E
         run: echo "$HOME/.maestro/bin" >> "$GITHUB_PATH"
+      - name: Free up disk space
+        uses: ./.github/actions/free-disk-space
       - name: Setup Java environment
         uses: actions/setup-java@v4
         with:
@@ -124,6 +126,8 @@ jobs:
           chmod +x packages/mobile-sdk-demo/android/gradlew
           (cd packages/mobile-sdk-demo/android && ./gradlew assembleDebug --quiet --parallel --build-cache --no-configuration-cache) || { echo "❌ Android build failed"; exit 1; }
           echo "✅ Android build succeeded"
+      - name: Clean up Gradle build artifacts
+        uses: ./.github/actions/cleanup-gradle-artifacts
       - name: Verify APK build
         run: |
           echo "🔍 Verifying build artifacts..."