Enhance debugging for Hugging Face Space configuration

Added checks for environment variable presence and whitespace, and improved API accessibility testing.

.github/workflows/ci.yml

@@ -64,21 +64,63 @@ jobs:
           HF_SPACE_NAME: ${{ secrets.HF_SPACE_NAME }}
         run: |
           echo "=== Debugging Space Configuration ==="
+          
+          # Check if variables are set
+          if [ -z "$HF_USERNAME" ]; then
+            echo "ERROR: HF_USERNAME is empty or not set!"
+            exit 1
+          fi
+          
+          if [ -z "$HF_SPACE_NAME" ]; then
+            echo "ERROR: HF_SPACE_NAME is empty or not set!"
+            exit 1
+          fi
+          
+          if [ -z "$HF_TOKEN" ]; then
+            echo "ERROR: HF_TOKEN is empty or not set!"
+            exit 1
+          fi
+          
+          # Show lengths (not masked)
           echo "HF_USERNAME length: ${#HF_USERNAME}"
           echo "HF_SPACE_NAME length: ${#HF_SPACE_NAME}"
           echo "HF_TOKEN length: ${#HF_TOKEN}"
+          
+          # Show first and last characters (to detect spaces/special chars)
           echo ""
-          echo "HF_USERNAME: '${HF_USERNAME}'"
-          echo "HF_SPACE_NAME: '${HF_SPACE_NAME}'"
-          echo ""
-          echo "Space URL: https://huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE_NAME}"
-          echo "Git URL: https://huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE_NAME}.git"
+          echo "First char of HF_USERNAME: '$(echo -n "${HF_USERNAME}" | cut -c1)'"
+          echo "Last char of HF_USERNAME: '$(echo -n "${HF_USERNAME}" | tail -c1)'"
+          echo "First char of HF_SPACE_NAME: '$(echo -n "${HF_SPACE_NAME}" | cut -c1)'"
+          echo "Last char of HF_SPACE_NAME: '$(echo -n "${HF_SPACE_NAME}" | tail -c1)'"
+          
+          # Check for whitespace
           echo ""
-          echo "Checking if variables have unexpected characters..."
-          echo "HF_USERNAME hex: $(echo -n "${HF_USERNAME}" | xxd -p)"
-          echo "HF_SPACE_NAME hex: $(echo -n "${HF_SPACE_NAME}" | xxd -p)"
+          if [[ "$HF_USERNAME" =~ [[:space:]] ]]; then
+            echo "WARNING: HF_USERNAME contains whitespace!"
+          fi
+          if [[ "$HF_SPACE_NAME" =~ [[:space:]] ]]; then
+            echo "WARNING: HF_SPACE_NAME contains whitespace!"
+          fi
+          
+          # Try to access the space via API
           echo ""
-          echo "Please verify the Space URL above exists in your browser!"
+          echo "Testing space accessibility..."
+          RESPONSE=$(curl -s -o /dev/null -w "%{http_code}" \
+            "https://huggingface.co/api/spaces/${HF_USERNAME}/${HF_SPACE_NAME}")
+          echo "API Response Code: $RESPONSE"
+          
+          if [ "$RESPONSE" == "200" ]; then
+            echo "✓ Space exists and is accessible!"
+          elif [ "$RESPONSE" == "404" ]; then
+            echo "✗ Space not found (404). Please check:"
+            echo "  1. Space exists at https://huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE_NAME}"
+            echo "  2. HF_USERNAME and HF_SPACE_NAME secrets are correct"
+          elif [ "$RESPONSE" == "401" ] || [ "$RESPONSE" == "403" ]; then
+            echo "✗ Access denied ($RESPONSE). Check if space is private and token has access"
+          else
+            echo "✗ Unexpected response: $RESPONSE"
+          fi
+          
           echo "====================================="
           
       - name: Push to Hugging Face Space