{"service":"Sport-Karta Simple API","version":"1.0.0-simple","endpoints":{"health":"/health","cities":"/api/v1/cities","catalog":"/api/v1/catalog","style":"/api/v1/style.json","tiles":"/api/v1/tiles/{city}/{z}/{x}/{y}.pbf"},"supported_cities":["saint-petersburg"],"features":["simple-proxy","no-mvt-decoding"],"note":"Simplified version without heavy MVT processing"}