fix(docs): validate immutable version canonical

Signed-off-by: Jeremi Joslin <jeremi@joslin.fr>

Author: jeremi

docs/site/scripts/smoke-docs-deployment.mjs

@@ -88,8 +88,8 @@ export async function smokeDocsDeployment({
   if (canonicalFromHtml(devHtml) !== `${productionOrigin}/dev/`) {
     throw new Error('/dev/ is not canonical at the protected-main mount');
   }
-  if (canonicalFromHtml(versionHtml) !== `${productionOrigin}/`) {
-    throw new Error(`${versionPath} is not an unchanged root-canonical release copy`);
+  if (canonicalFromHtml(versionHtml) !== `${productionOrigin}${versionPath}`) {
+    throw new Error(`${versionPath} is not canonical at the immutable version route`);
   }
   if (!rootHtml.includes(versionPath)) {
     throw new Error(`/ does not expose version navigation to ${versionPath}`);

docs/site/scripts/smoke-docs-deployment.test.mjs

@@ -27,7 +27,7 @@ function fixture(overrides = {}) {
     ],
     ['/start/quickstart/', html(`${origin}/start/quickstart/`)],
     ['/dev/', html(`${origin}/dev/`)],
-    ['/v/1.2.3/', html(`${origin}/`)],
+    ['/v/1.2.3/', html(`${origin}/v/1.2.3/`)],
     ['/pagefind/pagefind.js', Buffer.from('search')],
     ['/pagefind/pagefind-entry.json', Buffer.from('{}')],
     ['/sitemap-index.xml', Buffer.from('<sitemapindex/>')],