feat(docs): link the translations under the breadcrumbs, and the AI notice before the footer

.github/workflows/docs.yml

@@ -134,11 +134,11 @@ jobs:
         with:
           instance: ${{ matrix.language.module }}/asu
 
-  # Everything the build profile carries — the structured data, the canonical
-  # link, the language switcher, the search widget — is easy to lose silently:
-  # it was missing from the site for a while and nobody noticed. This assembles
-  # the five builds the way the deploy does and fails when a page comes out
-  # without them.
+  # What every page has to carry — the structured data, the canonical link, the
+  # row of links to the other languages, the notice at the end — is written in
+  # after the build, and it is easy to lose silently: it was missing from the
+  # site for a while and nobody noticed. This assembles the five builds the way
+  # the deploy does and fails when a page comes out without them.
   assembled:
     needs: build
     runs-on: ubuntu-latest
@@ -183,7 +183,7 @@ jobs:
           missing=0
 
           for page in dir/overview.html dir/ru/overview.html dir/appendcolumns.html; do
-            for marker in 'rel="canonical"' 'asu-fab' 'asu-language-open' 'SoftwareSourceCode'; do
+            for marker in 'rel="canonical"' 'asu-languages' 'asu-ai-notice' 'SoftwareSourceCode'; do
               if ! grep -qF "$marker" "$page"; then
                 echo "::error::${page} is missing ${marker}"
                 missing=1
@@ -234,18 +234,6 @@ jobs:
             unzip -qq "artifacts/docs-${code}/${ARTIFACT}" -d "dir/${code}"
           done
 
-      # Feeds the search widget injected by each project's search.html. Every
-      # language gets its own index, next to its own pages.
-      - name: Build the search indexes
-        run: |
-          set -euo pipefail
-
-          node scripts/docs/build-search-index.mjs dir
-
-          for code in ru uk de fr; do
-            node scripts/docs/build-search-index.mjs "dir/${code}"
-          done
-
       # Writes the hreflang links into the served HTML, one sitemap covering
       # every language, and robots.txt. It has to run after all five builds are
       # in place, because that is when the alternates are known.

AGENTS.md

@@ -201,12 +201,14 @@ deploy and an archive that lives only there disappears with the next one.
 `npm run docs:help-versions -- <site-directory> <version>` writes the file the
 switcher reads.
 
-Two scripts take an argument and run against a built site rather than the
-sources: `npm run docs:search-index -- <site-directory>` writes that directory's
-`search-index.json`, once per language, and `npm run docs:finalize-site -- <site-directory>`
-writes the `hreflang` links into the served HTML, the sitemap covering every
-language, and `robots.txt`. The second one has to run after all five builds sit
-in one directory — that is when it can know which pages exist in which language.
+`npm run docs:finalize-site -- <site-directory>` runs against a built site
+rather than the sources. It writes into every page what the build profile does
+not: the structured data, the canonical link, the `og:image` address, the row of
+links to the other languages under the breadcrumbs, and the notice at the end
+saying the documentation was written by AI. It also writes the `hreflang` links,
+the sitemap covering every language and `robots.txt`, which is why it has to run
+after all five builds sit in one directory — that is when it can know which
+pages exist in which language.
 
 The languages, and every label around the prose, are declared in
 `scripts/docs/languages.mjs`. Adding a language is a change to that file and a