@

feat(web): SEO — server-rendered template pages + /guides articles

- templates/[slug] converted from client to server component: per-template
  generateMetadata (title/description/canonical/OG) + SoftwareApplication
  JSON-LD; code-audit toggle split into a client island; missing/non-public
  templates now return a real 404.
- sitemap.ts pulls public template slugs live from the API (best-effort) +
  the new /guides routes.
- new /guides section: 3 server-rendered SEO articles (host MCP with OAuth,
  hosted-platforms comparison, MintMCP alternative) with TechArticle JSON-LD;
  Guides link added to the marketing nav.
- lib/seo.ts: articleJsonLd + templateJsonLd builders.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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apps/web/app/(marketing)/layout.tsx

@@ -24,6 +24,9 @@ export default function MarketingLayout({ children }: { children: React.ReactNod
               <Link href="/docs" className="transition-colors hover:text-[--color-fg]">
                 Docs
               </Link>
+              <Link href="/guides" className="transition-colors hover:text-[--color-fg]">
+                Guides
+              </Link>
               <Link href="/changelog" className="transition-colors hover:text-[--color-fg]">
                 Changelog
               </Link>