debug: check if secrets are being passed

.gitea/workflows/publish-ray-serve.yaml

@@ -65,6 +65,13 @@ jobs:
           TWINE_PASSWORD: ${{ secrets.REGISTRY_TOKEN }}
         run: |
           cd ray-serve
+          # Debug: check if secrets are set (don't print the token!)
+          echo "Username set: ${TWINE_USERNAME:+yes}"
+          echo "Password set: ${TWINE_PASSWORD:+yes}"
+          if [ -z "$TWINE_USERNAME" ] || [ -z "$TWINE_PASSWORD" ]; then
+            echo "ERROR: REGISTRY_USER or REGISTRY_TOKEN secrets not set"
+            exit 1
+          fi
           # Use internal cluster service URL directly - no SSL, no auth proxy
           for file in dist/*.whl dist/*.tar.gz; do
             if [ -f "$file" ]; then