fix: Extract zip artifacts before accessing app bundles in macOS workflow

- Add conditional zip extraction for downloaded artifacts
- Add cleanup step to remove temporary directories and keychain
- Fixes 'No such file or directory' error when copying app bundles

Author: 123vivekr

.github/workflows/build-macos.yml

@@ -153,6 +153,17 @@ jobs:
           # Create temp directory
           mkdir -p dmg_temp
           
+          # Extract zip files if they exist
+          if [ -f "artifacts/macos-aarch64.zip" ]; then
+            echo "📦 Extracting macos-aarch64.zip..."
+            unzip -q artifacts/macos-aarch64.zip -d artifacts/macos-aarch64/
+          fi
+          
+          if [ -f "artifacts/macos-x86_64.zip" ]; then
+            echo "📦 Extracting macos-x86_64.zip..."
+            unzip -q artifacts/macos-x86_64.zip -d artifacts/macos-x86_64/
+          fi
+          
           # Find the actual app paths
           AARCH64_APP=$(find artifacts/macos-aarch64 -name "Claudia.app" -type d | head -1)
           X86_64_APP=$(find artifacts/macos-x86_64 -name "Claudia.app" -type d | head -1)
@@ -246,3 +257,16 @@ jobs:
         with:
           name: macos-universal
           path: dist/macos-universal/*
+      
+      - name: Cleanup
+        if: always()
+        run: |
+          echo "🧹 Cleaning up temporary directories..."
+          rm -rf dmg_temp temp_x86 artifacts
+          
+          # Clean up keychain
+          if [ -n "$RUNNER_TEMP" ] && [ -f "$RUNNER_TEMP/app-signing.keychain-db" ]; then
+            security delete-keychain "$RUNNER_TEMP/app-signing.keychain-db" || true
+          fi
+          
+          echo "✅ Cleanup complete"