fix(public): point brief-requested nav and back links at clean non-307 paths

public/brief-requested.html

@@ -26,11 +26,11 @@
 <body>
 <div class="wrap">
   <nav>
-    <a class="logo" href="index.html">Tiny<span>Studio</span></a>
+    <a class="logo" href="/">Tiny<span>Studio</span></a>
     <div class="navlinks">
-      <a href="audit.html">The appraisal</a>
-      <a href="agents.html">The desk</a>
-      <a href="pricing.html">Pricing</a>
+      <a href="/audit">The appraisal</a>
+      <a href="/agents">The desk</a>
+      <a href="/pricing">Pricing</a>
     </div>
   </nav>
 
@@ -51,7 +51,7 @@ <h1>That's it. <em>Nothing else needed from you.</em></h1>
       </div>
     </div>
 
-    <a class="back" href="index.html">Back to the site</a>
+    <a class="back" href="/">Back to the site</a>
   </div>
 
   <footer>

scripts/check-site.mjs

@@ -1457,17 +1457,20 @@ for (const [pageName, pageHtml, pageUrl] of structuredDataPages) {
 // point at the final destination URL: the dogfood run reported every .html
 // navigation target on home ("index.html" -> "/", "audit.html" -> "/audit",
 // "agents.html" -> "/agents", "pricing.html" -> "/pricing", "specimen.html" ->
-// "/specimen") as a redirecting internal link. The five public pages must
-// therefore point every page link at the clean URL the worker serves, never
-// at a .html file that resolves to it. These are STATIC SOURCE GUARDS (regex
-// over the served files): CI has no browser, so they assert the .html target
-// shape cannot return, not that the redirects are absent on the network.
+// "/specimen") as a redirecting internal link. The five public pages (and the
+// /brief-requested post-signup page, which carries the same logo/nav/back
+// shell) must therefore point every page link at the clean URL the worker
+// serves, never at a .html file that resolves to it. These are STATIC SOURCE
+// GUARDS (regex over the served files): CI has no browser, so they assert the
+// .html target shape cannot return, not that the redirects are absent on the
+// network.
 const internalLinkPages = [
   ["homepage", siteHome],
   ["audit page", siteAudit],
   ["desk page", read("public/agents.html")],
   ["pricing page", read("public/pricing.html")],
-  ["specimen page", read("public/specimen.html")]
+  ["specimen page", read("public/specimen.html")],
+  ["brief-requested page", read("public/brief-requested.html")]
 ];
 
 const htmlPageTargets = {