Fix: add dist validation

Author: raycadle

.github/workflows/build-publish-release.yml

@@ -24,11 +24,14 @@ jobs:
           python-version: '3.10'
 
       - name: Install build tools
-        run: python -m pip install --upgrade pip build
+        run: python -m pip install --upgrade pip build twine
 
       - name: Build package
         run: python -m build
 
+      - name: Validate metadata
+        run: twine check dist/*
+        
       - name: Upload build artifacts
         uses: actions/upload-artifact@v4
         with: