Limit sitemap index to supermodel repos only for now

Community repo sitemaps will be added once their builds are stable.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: codegraphtheory

generate-index.go

@@ -79,6 +79,9 @@ func generateSitemap(cfg Config) error {
 	b.WriteString(`<?xml version="1.0" encoding="UTF-8"?>` + "\n")
 	b.WriteString(`<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` + "\n")
 	for _, cat := range cfg.Categories {
+		if cat.Slug != "supermodel" {
+			continue
+		}
 		for _, repo := range cat.Repos {
 			b.WriteString(fmt.Sprintf("  <sitemap>\n    <loc>%s/%s/sitemap.xml</loc>\n  </sitemap>\n", baseURL, url.PathEscape(repo.Name)))
 		}