feat: add archiving and extraction of shared example assets in CI workflow

Author: tae898

.github/workflows/test-python-examples.yml

@@ -285,11 +285,16 @@ jobs:
           path: bindings/python/src/arcadedb_embedded/jars/*.jar
           retention-days: 1
 
+      - name: Archive shared example assets
+        shell: bash
+        run: |
+          tar -czf /tmp/example-shared-assets.tar.gz -C bindings/python/examples data
+
       - name: Upload shared example assets artifact
         uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
         with:
           name: example-shared-assets
-          path: bindings/python/examples/data/
+          path: /tmp/example-shared-assets.tar.gz
           retention-days: 1
 
   # Second job: Test examples on each platform
@@ -340,7 +345,13 @@ jobs:
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
           name: example-shared-assets
-          path: bindings/python/examples
+          path: ${{ runner.temp }}/example-shared-assets
+
+      - name: Extract shared example assets
+        shell: bash
+        run: |
+          mkdir -p bindings/python/examples
+          tar -xzf "$RUNNER_TEMP/example-shared-assets/example-shared-assets.tar.gz" -C bindings/python/examples
 
       - name: Set up Java (for native builds on macOS/Windows)
         if: matrix.platform != 'linux/amd64' && matrix.platform != 'linux/arm64'
@@ -416,6 +427,10 @@ jobs:
             uv pip install --system numpy
           fi
 
+          if [ '${{ needs.prepare-assets.outputs.needs_stackoverflow }}' = 'true' ]; then
+            uv pip install --system lxml
+          fi
+
           if [ '${{ needs.prepare-assets.outputs.needs_runtime_models }}' = 'true' ]; then
             uv pip install --system torch --index-url https://download.pytorch.org/whl/cpu
             uv pip install --system sentence-transformers