fix: unify responsive design across documentation portal

scripts/generate-docs.ts

@@ -203,9 +203,8 @@ ${state}
       <a class="skip-link" href="#main">Skip to content</a>
       <header class="topbar">
         <a class="brand" href="/"><span>W</span> WRNexusJS</a>
-        <nav aria-label="Primary"><a href="/getting-started">Get started</a><a href="/packages">Packages</a><a href="/language">Language</a><a href="/architecture">Architecture</a><a href="/support">Support</a></nav>
-        <a class="preview-pill" href="/access">Private preview · v${frameworkVersion}</a>
-        <button data-wire-theme-toggle class="theme-button" aria-label="Toggle theme">Theme</button>
+        <nav aria-label="Primary"><a href="/getting-started">Get started</a><a href="/tutorial">Tutorial</a><a href="/packages">Packages</a><a href="/guides/project-structure">Guides</a><a href="/language">.wrn language</a><a href="/examples">Examples</a><a href="/search">Search</a></nav>
+        <div class="topbar-actions"><a class="preview-pill" href="/access">Preview · v${frameworkVersion}</a><button data-wire-theme-toggle class="theme-button" aria-label="Toggle color theme" title="Toggle color theme">◐</button></div>
       </header>
       ${content}
       <footer>WRNexusJS ${frameworkVersion} · Private Developer Preview · Bun-native · Documentation generated from installed package APIs.</footer>
@@ -255,7 +254,10 @@ for (const [name, category, summary] of catalog) {
   const typesPath = join(packageRoot, "dist", "index.d.ts");
   if (!existsSync(readmePath) || !existsSync(typesPath))
     throw new Error(`Install @wrnexus/${name} before generating docs`);
-  const readme = readFileSync(readmePath, "utf8").replace(/^#\s+[^\n]+\n?/, "");
+  const readme = readFileSync(readmePath, "utf8")
+    .replace(/^#\s+[^\n]+\n?/, "")
+    .replace(/^## Installation\s*$[\s\S]*?(?=^##\s|\s*$)/m, "")
+    .replace(/\bWrNexus\b/g, "WRNexusJS");
   const types = readFileSync(typesPath, "utf8");
   const guide = markdown(readme);
   const toc = [