Add debug logging for runners response in runner-fallback action

.github/actions/runner-fallback/action.yml

@@ -41,13 +41,16 @@ runs:
                         -H "Accept: application/vnd.github+json" \
                         "https://api.github.com/repos/$repo/actions/runners?per_page=100")
 
+        # Debug: Print runners content
+        echo "Runners response: $runners"
+
         # Check if runners is null or empty
         if [ -z "$runners" ] || [ "$runners" = "null" ]; then
           echo "❌ Error: Unable to fetch runners or no runners found." >&2
           exit 1
         fi
 
-        # Split wanted labels
+        # Process runners only if valid
         IFS=',' read -ra WANT <<<"$PRIMARY"
         online_found=0
         while read -r row; do